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AC International MTA128ST-USB Network Card User Manual

1. 13 To ISDN network terminator 13 Ero 13 TO YOUR PG serine PP 13 Call control configuration ess 30 Auto answer data calls 30 Data protocol issue asser 31 Dialing m thode 30 Dialing number sets 31 Dialing stored numbers 31 Persistent DTR dialing iios 30 RINGS To al SWOr 1 2 2 nete rete 30 Stored numbers sieste aennntes 31 Caller Line ID CL 60 Canceling Callian 73 Carriage return character uusssse 57 Changing the modem descriptor Windows 2000 seseseeeeeeee 20 MilidOWS 98 esna et ri epec ee Ri SU DR UI costes 25 COMPORTER due 77 Command ModE sistema 72 cies ne nan panne 48 Commands ANSWNB art uen n s mate 73 AnSWerCAsrs sise 54 Data MSN DN sess 46 Bala SPD cS 44 Data TEL uite iit cei in tdeo diede 45 Dial cc pu Du pp 54 72 Escape Sequence Options 54 Index 105 MultiModemISDN User Guide FIGM CONHOIE A 51 PANG IU ER name 55 74 HooKContolsss ns 55 List Active PONS sait tera 48 List Telephone Numbers 73 Load Prole arssinat 42 52 90 PACING EE 51 Persistent DTR Dialing 53 Read S Register 49 RECEIVE Galli eme pau eus 47 ROSE ER 49 FieturOnlle uucs tto tienen cenfus bb
2. Connecting to Your Computer 1 Plug the 4 pin flat end Type A into a USB port connector on your computer or laptop Note Do NOT plug the D shaped end Type B of the USB cable into the USB connector on the back panel of the MTA128ST USB at this time You will be directed to make the connection when installing the software drivers Connecting to Power 1 2 3 4 Plug the power supply into the unit s POWER connector Plug the power supply into a live AC outlet Turn on the unit by sliding the power switch to ON Verify operation by observing the LED indicators on the front panel The LEDs will initially flash in a self test pattern then the LS LED remains on See LED descriptions on the next page If the terminal adapter does not appear to be working see Chapter 5 for troubleshooting help Caution Only use the power supply shipped with your MTA128ST USB any other power supply could damage the unit and void its warranty Connecting to Your ISDN Network Terminator 1 If you need a longer line cord than the RJ 45 line cord provided with your MTA128ST USB select a cord that is wired straight through pin 1 to pin 1 pin 2 to pin 2 etc with at least the middle four pins connected pins 2 3 4 and 5 Plug one end of the provided RJ 45 S T line cord into the ISDN jack on the MTA128ST USB and the other end into the S T jack on your network terminator Note The AUX jack and ISDN jack are not i
3. Chapter 3 Software Installation and Configuration 5 The Add New Hardware Wizard dialog box displays Add New Hardware Wizard What do you want Windows to do Search for the best driver for your device Recommended mmm Display a list of all the drivers in a specific location so you can select the driver you want lt Back Cancel Verify that the Search for the best driver for your device Recommended option is selected and click Next gt 6 The Add New Hardware Wizard dialog box displays Add New Hardware Wizard Windows will search for new drivers in its driver database on your hard drive and in any of the following selected locations Click Next to start the search CD ROM drive Microsoft windows UJ paate IV Specify a location amp w in95_98 E pen Verify that Specify a location is selected Type A Win95_98 in the box and click Next gt 7 The Add New Hardware Wizard dialog box displays Add New Hardware Wizard Windows driver file search for the device Multi Tech MTA1285T USB ISDN Terminal Adapter Windows is now ready to install the best driver for this device Click Back to select a different driver or click Next to continue Location of driver E oy A win95_98 mdmmtusb inf Cancel Windows selects the proper driver from the installation disk and displays the information for verification Click
4. Multi Systems MultiModem ISDN User Guide Introduction 82 This chapter begins your MTA128ST USB s five year warranty If you have questions or problems with your unit carefully read the next section Technical Support It includes the technical support telephone numbers and information on how to send in your terminal adapter should you require service The final sections explain how to get information and technical support and how to upgrade the MTA128ST USB via FlashWizard Limited Warranty Multi Tech Systems Inc hereafter MTS warrants that the MT128ST USB will be free from defects in material or workmanship for a period of two years from date of purchase or if proof of purchase is not provided two years from date of shipment MTS MAKES NO OTHER WARRANTY EXPRESS OR IMPLIED AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED This warranty does not apply to any products which have been damaged by lightning storms water or power surges or which have been neglected altered abused used for a purpose other than the one for which they were manufactured repaired by Customer or any party without MTS s written authorization or used in any manner inconsistent with MTS s instructions MTS s entire obligation under this warranty shall be limited at MTS s option to repair or replacement of any products which prove to be defective within the warranty period or at MT
5. To Install in Windows 2000 98 95 1 When installing from disk insert the Setup disk provided in your MTA128ST USB package into drive A or B If installing from a network location connect to it Note the drive letter You may need it if you run Setup again D Click Start Settings Control Panel e Double click the Add Remove Programs icon 4 ForWindows 98 95 users click Install on the nstall Uninstall tab For Windows 2000 users click the Add New Programs icon 5 Follow the instructions that appear on screen To Use the ISDN MTA128ST USB Configuration Utility 1 Tostart the utility click Start Programs and then double click the ISDN MTA128ST USB Configuration Utility icon The ISDN TA Configuration Wizard displays ISDN TA Configuration Wizard Mukti ec Configuration Select the type of setup custom building a new configuration custom with an existing configuration or express with a existing configuration Click Next to continue Setup Express Existing Delete Configuration Configuration j LICA NII tea ee Select the type of Setup e g Express Existing Configuration e g EurolSDN and then click Next gt Follow the instructions provided in each succeeding dialog box 2 Refertothe Network Configuration planning sheets completed in the previous section as you configure the unit If you have questions about choices in a dialog box click Help 3 When y
6. Any updates shall be used only on the Licensed System and shall remain subject to all other terms of this Agreement Customer agrees not to provide or otherwise make available the software including but not limited to documentation programs listings object code or source code in any form to any person other than Customer and his employees and or agents without prior written consent from MTS Customer acknowledges that the techniques algorithms and processes contained in the software are proprietary to MTS and Customer agrees not to use or disclose such information except as necessary to use the software Customer shall take reasonable steps consistent with steps taken to protect its own proprietary information to prevent the unauthorized copying or use by third parties of the software or any of the other materials provided under this Agreement Any previous version of the software must be destroyed or returned to Multi Tech Systems Inc within 90 days of receipt of the software upgrade or update WARRANTY MTS warrants that the software will perform substantially in accordance to the product specifications in effect at the time of receipt by Customer If it fails to perform accord ingly MTS will optionally repair any defect or replace it This warranty is void if the failure has resulted from accident abuse or misapplication A signed Software Registration Card must be on file at MTS for this warranty to be in effect THE FOREGOING W
7. Compare with background frequency A characteristic of an electrical or electronic signal which describes the periodic recurrence of cycles Frequency is inversely proportional to the wavelength or pulse width of the signal e g long wavelength signals have low frequencies and short wavelength signals yield high frequencies function A Universal Serial Bus device that provides a capability to the host For example an ISDN connection a digital microphone or speakers H handshaking A process that two modems go through at the time of call setup to establish synchronization over the data communications link It is a synchronization and negotiation process accomplished by the exchange of predefined mutually recognized control codes HDLC High Level Data Link Control An ISO standard bit oriented data communications protocol that provides nearly error free data transfers 97 MultiModemISDN User Guide hexadecimal A base 16 numbering system in which one character represents a four bit binary value Hexadecimal notation uses the numbers 0 9 and the letters A F usually suffixed by an h e g 4CF h Host Controller The host s Universal Serial Bus interface A hardware device that provides the interface to the Host Controller Driver HCD and the USB bus Host Controller Driver HCD Software that provides an interface to the USB Driver and the Host Controller The interface to the Host Controller is defined by the OHCI sp
8. Default Description Command Function Values Default Description Command Function Values Default Description Command Function Values Default Description Command Function Values Default Description IEN n Enable Data DN MSN n 1or2 All ports are enabled IENn enables a Data DN MSN which will put it back in service for accepting and originating data calls IEN 1 Enable Data DN MSN 1 IEN 2 Enable Data DN MSN 2 IEN n Enable Voice DN MSN n 1 All ports are enabled IENn enables a Voice DN MSN which will put it back in service for accepting and originating data calls IEN 1 Enable Voice DN MSN 1 IL Display Network Configuration n a n a Use L to display the TA s current DN SPID TEI Data protocol switch type IL Displays current network configuration gt Dn Embedded Protocol Analyzer 0 1 2 3 4 5 6 98 or 99 n a The embedded protocol analyzer records and analyzes various protocols on B channel D channel and DTE DCE interface The embedded protocol analyzer is useful as a diagnostic tool in that essential data messages display which offers the ability to observe interactive operations of the TA Central Exchange and remote communications equipment gt D0 Display B channel traffic decoded as V 120 gt D1 Display D channel traffic decoding layers 2 and 3 Q 921 and Q 931 gt D2 Display D channel traffic decoding layer 2 only Q 921 gt D3 Display D ch
9. In Display Product Information n 0 1 2 and 4 none Displays the following MTA128ST USB product information 10 Product ID e g 247 l1 Firmware version number e g 6 00 12 Model number e g MTA128ST USB 14 Date and time firmware was made Oo Return Online none none The O command returns the TA to online mode from online comman mode When TA makes a data connection it enters online data mode TA remains in this mode until it receives an escape sequence or until the call ends When it detects an escape sequence the TA enters online command mode where it can accept AT commands while retaining the online connection To return TA to online mode from online command mode enter ATO and press ENTER CONFIG Start ConfigMenu none none The CONFIG command starts the TA s internal configuration utility used to customize the TA s configuration for your application You must enter the command while in your communication program s terminal mode 55 MultiModemISDN User Guide S Registers S registers are sections of memory in which values are stored that affect how the MTA128ST USB operates S registers are so called because each has aname that begins with the character S Use the S command to assign a value or to read the current value of an S register To assign a value to an S register use the command Srzn where r is the register number and n is the value you want to assign e g S7 45 To read an S register v
10. Range Default Description S Register Function Unit Range Default Description S register Function Unit Range Default Description S Register Function Unit Range Default Description 44 POTS Port Ring Frequency Decimal ASCII code 2 4 2 25 Hz Controls the ring frequency from the POTS port S44 n where n 2 25 Hz ring frequency n 3 20 Hz ring frequency n 4 16 67 Hz ring frequency S45 Use Dial Tone from Central Office Decimal ASCII code n 0 No dial tone n 1 Use Central Office dial tone n 2 TA generates dial tone 1 Use Central Office dial tone S45 allows the TA either to generate a dial tone on the POTS port block any dial tone on the POTS port or allow the dial tone from the central office to pass through to the POTS port default Some countries have central offices that send a oud dial tone through to the POTS port This makes DTMF dialing difficult since DTMF digits have to overcome the loudness of the dial tone see S49 and S51 for more information S46 Pulse Dial Recognition Decimal ASCII code 0 3 0 Controls pulse dial recognition for New Zealand Sweden and the de facto standard for the rest of the world England France India and USA S46 selects country where the TA is being used to recognize pulse dialing S46 n where n 0 Disable pulse dialing default n 1 England France India USA etc pulses digit dialed except 0 is 10 pulses n 2 New
11. Set SsR6eglslel rco pntt poitea dae 49 Start GonfigMOHUu rater bb Store Active Profile 53 90 Store Telephone Number 53 55 SWIC TY PO an ht ane ti soe e LR dA 29 Transmit Gains us rames 47 Communications programs 77 Compatibility SWIIGII as sds E E 9 Configuration Call CONtOle termina 30 ep d 29 OVGIVIGW i cscccndicssdinaudssarabecadatsasecshasasenacsnacien 29 Configuration command 55 Configuration profiles ML PPP asynch operation Profile 4 93 Modem like asynch operation Profile 0 90 V 110 asynch operation Profile 1 91 V 120 asynch operation Profile 2 92 X 75 asynch operation Profile 3 92 CONNECIOIS senile a tole o Sesto ie m ueEE 9 ni Wu 13 78 ISDN ps eine tea 78 CTS Clear to Send SIGMA Ed PERO 52 CTS Control AT GOMMAN ccnn 52 D Data mode neue 72 CENNO O de Het rer Lois 55 Data protocol MER P PES na a rain co 31 MATOS Re 31 W120i iseriiboseneces E A 31 RD gerne RE errr ete etum E c OU 31 Data Terminal Ready DTR 30 DCD Data Carrier Detect signal 50 DCD Control command sess 50 DG droplTie issus pute 58 Dial Up Networklrtg aciei ese ie etes 37 OVBIVIBW sanarak 29 Dial up networking Josie 32 106 MUSING cha MEER EE 32 Windows 2000
12. You may have misconfigured your MTA128ST USB to dial two simultaneous data calls The command AT amp J1 amp WoO cr is used to indicate whether outgoing calls should be made on two B channels by default You may be using the wrong bundling dial modifier e g ATD7853500 amp 7853502 lt cr gt The ampersand in this command string is correct Other valid characters joining two telephone numbers include a plus sign and an exclamation mark Note In Windows 2000 and Windows 98 95 if the Use Country Code and Area Code box is checked in the Properties window for dial up connection the bundling modifier i e amp or is removed from the dialing string when the user attempts to make a connection The solution is not to check the Use Country Code and Area Code box or to simply add the bundling dial modifier to the phone number at the time of connection Chapter 5 Troubleshooting The MTA128ST USB disconnects while online e Check for loose connections between the MTA128ST USB and the computer the ISDN jack and AC power The problem may have originated at the other end of the line Try again e f you were online with a BBS or online service it may have hung up on you because of lack of activity on your part or because you exceeded your time limit for the day Try again The MTA128ST USB cannot connect when answering e Autoanswer may be disabled Turn on autoanswer in your data communications program or send the comman
13. and possibly others 858 3 S59 Dynamic Bandwidth Allocation DBA Scheme Decimal ASCII code n 0 Disable n 1 MP n 2 PPP 1 MP Determines whether Dynamic Bandwidth Allocation DBA is disabled or enabled by the use of a specific scheme MP or PPP Setting S59 0 disables DBA and as a result disables the Bandwidth on Demand and Call Bumping features Setting S59 1 MP instructs the TA to negotiate the MP option during the PPP LCP phase If the MP DBA scheme is desired but the server does not support MP the TA falls back to the PPP DBA scheme Due to this fall back ability DBA on the client side is always possible Setting S59 2 to use PPP instructs the TA to use basic PPP requests to perform DBA the most widely accepted scheme Basic PPP requests include the LCP Terminate Request command to disconnect a data channel and instruct the TA to add a second channel by dialing the second number given in the dial string or dialing same number if amp J1 If the TAis used as a host MP must be supported by the client also The host TA must set S59 1 MP If the TA is used as a host but either MP is not supported by the client or the host did not set S59 1 MP DBA is not possible For example if the host sets S59 1 but the client does not support MP DBA is not possible If the host sets S59 2 DBA is not possible MP is required to be negotiated by both the client and host if the host is to perform DBA The PPP DBA scheme
14. coena eterna utt 44 P Phone Connection 2 2 d ncs cas Deben 13 Power COnSUmpHOo eit rende e rh bos 9 R QUIF MENTS 2 rete rna ad er tures 9 Suc ee 76 Supply SES ns mu 76 Q Quick setup factory profiles 52 R Rate adaption protocol AT COMMMAMNG sciecncaten etes 47 Reference materials 15 Regulatory complianee iioi ce ainsi 89 Remote node operation 37 Removing a modem from Windows 28 PROS UIP COOS e E 78 Connect messages command 49 Enable disable command 48 Index 107 MultiModemISDN User Guide Terse verbose command 49 Rings COUNT ger T E 5 Number before answering 57 Rings to answer option 30 S S IOgIs els siete ai tutes bin 49 Sending single multiple Xoff characters 51 DEVICE tant 85 Service profile idenfiier SPID 30 SOIUp cci tari nu nr 90 Specifications technical sss 8 SPID service profile identifier 30 44 Stored number LISTN aime re Rene 53 aree nee 53 Storing sollst S 53 Telephone number 53 73 Io qoe RE 9 DES S rca diamants 44 Bre MEE 44 Euro ISDN zen 44 INS M 44 NE Ti mE 44 Mmm 44 MINA sectas cipis e tape e pr e Ra Desa adeb ATA
15. then the TA will not revert the protocol selection rather it will keep the detected data protocol as the new protocol selection Detect and Select is useful for applications where the TA receives a call and then the software performs callback Callback calls should be made with the same protocol that was used by the client so Detect and Select enables this possibility However if an initialization string or amp Fn command is given to the TA that changes the protocol after the disconnection then Detect and Select will not be effective Make sure no commands are given to the TA that will change the data protocol when using Detect and Select if callback is involved to ensure that the callback call uses the correct data protocol 61 MultiModemISDN User Guide 62 n 0 Disable n 1 Detect n 2 Detect and Select Note V 110 support is available in build MTAI28ST USB only S Register Function Unit Range Default Description S register Function Unit Range Default Description S Register Function Unit Range Default Description S register Function Unit Range S53 Maximum X 75 Buffer Size 1 byte n 64 2048 2048 bytes 53 allows the maximum buffer size of an X 75 frame to be customized Typically a smaller frame size is more compatible with software packages on a PC such as HyperTerminal Larger frame sizes introduce larger delay which some software cannot deal
16. where each unit is one second S8 may be set for up to 255 seconds S10 DCD Drop Time 50 ms 0 254 255 20 Sets the time after a carrier signal is lost before the TA disconnects The amp C2 command must be in effect Default setting is one second Maximum delay is 25 4 seconds S10 254 Set S10 to 255 to cause the TA not to disconnect with loss of carrier S25 DTR Drop Time 100 ms 0 1 255 5 Sets the time that DTR must remain low before TA disconnects The S25 unit value for 0 is 50 ms For values from 1 through 255 the unit value is 100 ms S register Function Unit Range Default Description S register Function Unit Range Default Description S Register Function Unit Range Default Description S Register Function Unit Range Default Description Chapter 4 AT Commands S Registers and Result Codes 30 On line Inactivity Timer 1 minute n 0 Does not disconnect n 1 255 0 does not disconnect Makes the TA disconnect a data connection if no data is transmitted or received for the specified time It will NOT cause a POTS call voice modem fax to disconnect The timer restarts any time a data character passes through the serial port either sent or received Disable the inactivity timer by setting S30 0 which is the factory default setting S30 currently works for all protocols EXCEPT V 110 31 Maximum Redial Timeout Value 1 minute n 0 Does not try t
17. 3456 sets S71 to 3455 ms 3 455 seconds S73 MultiLink Endpoint Discriminator Type decimal ASCII code n 0 Null Class n 1 Locally Assigned Address n 2 IP Address n 3 IEEE 802 1 Globally Assigned MAC Address n 4 PPP Magic Number Block n 5 Public Switched Network Directory Number 4 PPP Magic Number Block This S register allows the MultiLink PPP Endpoint Discriminator type to be set The Endpoint Discriminator is used to help determine if a channel is to be bundled with any other channels forming a MultiLink Group or Bundle or if itis anew bundle Currently the Null Class S73 0 PPP Magic Number Block S73 4 and Public Switched Network Directory Number S73 5 are complete The PPP Magic Number Block contains 5 Magic Numbers in this implementation and is the default type The Public Switched Network Directory Number option uses Data Directory Number 1 as the Endpoint Discriminator if it is blank then Endpoint Discriminator is blank The Locally Assigned Address S73 1 IP Address S73 2 and IEEE 802 1 S register Function Unit Range Default Description Chapter 4 AT Commands S Registers and Result Codes Globally Assigned MAC Address S73 3 options currently generate a random value similar to the PPP Magic Number Block except that the length of the Endpoint Discriminator follows according to the specifications for the respective type Refer to RFC 1990 for more information about the Mul
18. 44 T Technical SUDO ennemi 85 uU 29 TEI terminal endpoint identifier 45 Telephone connecting a sss 13 Telephone numbers SOR rss EEA 53 Terminal Endpoint Identifier TEI 29 Terminal modestes tbetso en ment 76 JO SITIO os aristis tete edD ee 76 Troubleshooting the MTA128ST USB 3Com Sonix adapter originates a V 120 80 Can place data calls but not voice calls 78 Cannot connect when answering 79 Cannot place two simultaneous data 78 79 Data lS poing OST su EE 79 Dials but cannot make a connection 77 Disconnects when online 79 Does not respond to commands 76 File transfer appears slower 79 None of the LEDs light 76 Receives garbage characters 80 Receives garbage characters after good 80 V 110 call caller gets a NO CARRIER 79 108 V 120 call caller gets a NO CARRIER 79 V 120 calls not accepted from a 3Com 80 Will not connect to an ELSA adapter 80 Typical config ratiQli o cta norte eres 12 U Uninstalling MTA128ST USB from Windows 28 Unpacking the MTA128ST USB 11 Upgrade firmware FlashWizard 87 USB evaluation Utility i ot et 28 USB OoVerViBW ucoss n ses
19. Discard XON XOFF characters Enable pacing Disable Sending Multiple Xoff Characters Disable Automatic Channel Bundling Enable escape method No OK response to or lt break gt escape CTS always high Answer after 1 ring Set escape character to ASCII 43 Set carriage return character to CR ASCII 13 Set line feed character to LF ASCII 10 Set backspace character to BS ASCII 8 Wait 45 seconds for connection before aborting Set DCD drop time to 700 ms Set DTR detect time to 500 ms Set escape sequence guard time to 2 seconds Set maximum escape sequence character length Caller Line ID enabled Auto Protocol Detection enabled Maximum X 75 buffer size is 2048 characters DSR follows DCD Select verbose messages Enable V 120 data protocol Profile 3 amp F3 X 75 Asynchronous Operation AT COMMAND DESCRIPTION amp C1 D0 amp D1 E1 amp E4 amp E6 amp E13 X0 amp JO E1 E4 DCD functions normally Disable persistent DTR dialing Hang up when DTR drops Enable command mode echo Enable hardware flow control Discard XON XOFF characters Enable pacing Disable Sending Multiple Xoff Characters Disable Automatic Channel Bundling Enable escape method No OK response to or lt break gt escape Appendixes amp R1 CTS always high S0 1 Answer after 1 ring S2 43 Set escape character to ASCII 43 S3 13 Set carriage return character to CR ASCII 13 S4 10 Set line feed character to LF ASC
20. Zealand pulses 10 digits dialed n 3 Sweden pulses digit dialed 1 S49 POTS Port Dial Tone Gain Decimal ASCII code n 0 Low gain quiet thru 10 high gain loud 0 Low gain quiet Allows POTS port dial tone gain to be adjusted to an appropriate volume Must be used in conjunction with S51 1 in order for there to be a noticed change in the dial tone volume See S51 S50 Caller Line ID CLI Decimal ASCII code 0 or 1 1 enabled Sets whether the mechanism for identifying two endpoints of a connection is enabled or disabled Since RING messages only appear for ISDN data calls the CLI feature does S Register Function Unit Range Default Description S Register Function Unit Range Default Description Chapter 4 AT Commands S Registers and Result Codes not define a means of conveying Calling Party information to the terminal for ISDN voice calls CLI information is included only with the first RING message for a given incoming call and appears as RING FM 5552000 TO 5551000 If the Calling Party Number information is not included in the incoming SETUP message the RING message appears as follows RING TO 5551000 If the Called Party Number information is not included in the incoming SETUP message the RING message appears as follows RING FM 5552000 If neither the Called Party Number nor Calling Party Number is included in the incoming SETUP message the RING message contains
21. amp E6 amp E13 Selects method by which the TA controls the flow of data to and from the computer to prevent either device from accepting data faster than it can handle The TA provides flow control in both directions When the TA halts data flow it is called flow control when the computer halts data flow it is called pacing amp E3 Disable flow control by the TA amp E4 Hardware flow control amp E4 causes the TA to use the CTS signal on pin 5 of the RS232E V 24 interface to regulate flow control When CTS goes low data flow from the computer is suspended until CTS goes high again This method works with pacing which uses the RTS signal on pin 4 Hardware flow control cannot be enabled unless an error correction protocol is selected amp E5 XON XOFF flow control This is an in band method in which the XON and XOFF characters Q and S respectively are inserted into the data stream rather than using separate control lines When an XOFF character is detected the data stream is suspended until an XON character is detected The drawback to this method is that some files may contain these characters causing the file transfer to be suspended indefinitely amp E6 When XON XOFF pacing is active TA responds to and discards the XON XOFF characters from the computer amp E7 When XON XOFF pacing is active the TA responds to the XON XOFF characters and passes them through the communications link to the remote device thereby pacing
22. base address and the subaddress The following examples show the syntax for setting the MSN with and without a subaddress AT command N1z MSN with subaddress AT N1 5551000 001 base address is 5551000 subaddress is 001 MSN without subaddress AT N1 5551000 base address is 5551000 Voice MSN Selects calls on the voice channel in the same way the Data MSN selects calls on the data channel AT command IN1 SPIDs and DNs For use with North American switches the Service Profile Identifier SPID must be configured in the MTA128ST USB The SPID is assigned by the local phone company and is for the specific BRI line where the unit is attached The SPID field is empty prior to configuration AT commands AT C6 and AT C6 Directory Number DN is the phone number another user calls to contact this unit once it is attached to the ISDN AT commands AT N1z and AT N1z Note SPIDs and DNs are used only by the U S NI 1 AT amp T SESS and DMS 100 switch types Call Control Configuration Persistent DTR Dialing Ahigh DTR Data Terminal Ready signal on the USB port indicates your computer or terminal is ready to communicate with your MTA128ST USB DTR normally goes high when a communication program starts or is ready to dial Persistent DTR dialing enables the unit to automatically redial the number stored in memory location 0 whenever DTR is high and the serial port does not have an active call You can enable or disable
23. box is displayed Select the check box next to the name of each user you want to allow to connect to this computer Click Next gt If you select Guest the Select a Device dialog box is displayed Select the COM port you d like to use for this connection from the list Click Next gt The Connection Availability dialog box is displayed If you are creating this connection for multiple users select Create this connection for all users If this connection will be used only by you select Create this connection only for myself Click Next gt to continue The Competing the Network Connection Wizard dialog box is displayed You are prompted for a name to use for this connection Enter a meaningful name in the field provided and click Finish Chapter 3 Software Installation and Configuration Windows 98 95 Dial Up Networking Windows 98 95 includes a remote node client called Dial Up Networking DUN Before beginning make certain Dial Up Networking and TCP IP are installed on your computer 1 To begin your set up a In Windows 95 Click Start Programs Accessories Dial Up Networking b In Windows 98 Click Start Programs Accessories Communications Dial Up Networking 2 If this is the first time you have set up a connection with Dial Up Networking the Welcome to Dial Up Networking Wizard dialog box is displayed If the Wizard does not display double click the Make New Connection icon to display the Make New Connection
24. dialog box 3 The Make New Connection dialog box displays Enter a descriptive name for this connection In the Select a device list box select your Multi Tech System modem from the list Make New Connection Type a name for the computer you are dialing interet Select a device 55 i Muir ech System s MT5634ZPX PCI Configure teen Click Next 4 The Make New Connection dialog box displays Enter the Area code Telephone number and Country code for the computer you will be calling with this connection your ISP s access phone number Make New Connection Type the phone number for the computer you want to call Area code Telephone number F Country code United States of America 1 town Click Next 37 MultiModemISDN User Guide 5 The Make New Connection dialog box displays indicating you have created a new Dial Up connection Make New Connection Internet Click Finish 6 From the Dial Up Networking folder right click on the Dial Up Connection just created and select Properties to open the Modem Properties dialog box 7 The Modem Properties dialog box displays Click the Server Types tab to display the server property sheet Select the appropriate Server Type Log on options and protocol selections for the device to which you are connecting e g your ISP Internet PPP Intemet Windows NT Server Windows 98 Click OK 8 If
25. digits 0 9 are valid IC6 n Voice SPID n 0 to 20 character string null string Use C6 to specify the voice service profile identifier SPID that the ISDN service provider assigned at subscription time The voice SPID string can have up to 20 characters It is not used if the switch type is set to NETS Note For DMS 100 switches any ASCII character except the underline _ character is valid For NI 1 and AT amp T switches only the digits 0 9 are valid 44 Command Function Values Default Description Command Function Values Default Description Command Function Values Default Description Command Function Values Default Description Chapter 4 AT Commands S Registers and Result Codes D3 n SAPI 0 Data TEI n 0 63 240 auto 241 disable D3 240 Auto TEI Use D3 to set the terminal endpoint identifier TEI for the data channel A TEI is a number used by the central office switch to identify uniquely each device connected to the network When it uses dynamic TEI assignments auto TEI the central office switch assigns a TEI each time the TA connects to the network However the ISDN service provider may assign a fixed TEI at subscription time in which case you must configure the TA with the fixed TEI number You also can use D3 to disable the data channel which may be useful when multiple TAs are attached to a network terminator bus D3 0 63 Sets TEI to a fixed value
26. essaient 6 Using AT commands cies pee te eese meet ads 39 V MANO DIOIOGOL ice eise eise tee 31 90 VAIPOIDIOIOCO L sions tme tnt union 31 90 Voice COMI ER 9 MSN DN command esseeeeeene 47 SPID OMMANA tshirt 44 TEI Gomimatid 2 aee nece n unuraa 45 Volume Genio ss a 47 SPEAKON sieran ea eaaa 47 W Wait for connection Abort Timer 58 WWANMAINY nent 9 82 Viele ne trac 9 Windows 2000 uninstalling a TA 28 Windows 98 95 uninstalling a TA 28 World Wide Websense homer 15 X A DIDIOIOGOl sisi t derive i oct 31 48 90
27. from 0 63 D3 240 Sets data channel for dynamic TEI negotiation D3 241 Disables TEI ID3 n SAPI 0 Voice TEI n 0 63 240 auto 241 disable 1D3z240 Auto TEI Use D3z to set the TA s terminal endpoint identifier TEI for the voice channel See the D3 command description D3 0 63 Sets TEI to a fixed value from 0 63 ID3 240 Sets voice channel for dynamic TEI negotiation default ID3 241 Disables TEI IDN n Disable Data DN MSN n 1or2 All ports are enabled IDNn disables a Data DN MSN which disables the associated TA port from receiving any data calls However the port will still be able to originate data calls This is useful for applications where a specific port is for dial out only Since the TA has only one serial port both Data DN MSN 1 and 2 would have to be disabled to not accept a call Disabling only one of the Data DN MSNs will cause the TA to not accept bonded calls ML PPP or Softbonding IDN 1 Disables Data DN MSN 1 IDN 2 Disables Data DN MSN 2 IDNzn Disable Voice DN MSN n 1 All ports are enabled IDNn disables a Voice DN MSN which disables the associated TA port from receiving any voice calls However the port will still be able to originate voice calls This is useful for applications where a specific port is for dial out only or one does not want to accept voice calls at that time IDN 1 Disables Voice DN MSN 1 45 MultiModemISDN User Guide 46 Command Function Values
28. if you would like to set up an Internet mail account You may select Yes or No If you select yes you will be asked to provide specific information about your mail service In this example No is selected Click Next gt i The Completing the Internet Connection Wizard is displayed Click Finish If you select Connect to a private network through the Internet a Inthe box provided enter the Host name or IP address belonging to the computer to which you are calling Contact the network administrator for the device to which you are connecting to obtain this information Click Next b The Connection Availability dialog box is displayed If you are creating this connection for multiple users select Create this connection for all users If this connection will be used only by you select Create this connection only for myself Click Next to continue c The Completing the Network Connection Wizard dialog box is displayed You are prompted for a name to use for this connection Enter a meaningful name in the box provided Click Finish If you select Accept incoming connections This option allows another computer to create a virtual connection to your computer through the Internet other public network or a direct cable Virtual Private connections to your computer through the Internet are possible only if your computer has a known name or IP address on the Internet a The Devices for Incoming Connections dialog box is displayed Select
29. not available Chapter 2 Hardware Installation Multi Systems Chapter 2 Hardware Installation Introduction This chapter details the contents of the MTA128ST USB shipping container describes each cable connection and describes the LED indicators Unpacking Your MTA128ST USB The shipping box contains the MTA128ST USB an external power supply one RJ 45 line cord one USB cable your Quick Start Guide and three diskettes i e MTA128ST USB User Guide MTA128ST USB Driver Software and ISDN Configuration Utility Inspect the contents for signs of any shipping damage If damage is observed do not power up the unit contact Multi Tech s Technical Support for advice refer to Chapter 6 If no damage is observed place the MTA128ST USB in its final location and refer to Assembling the MTA128ST USB in the next section li Figure 2 1 Unpacking Safety Warning Telecom ISDN ST 1 2 Never install telephone wiring during a lighting storm Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations This product is to be used with CE approved marked computers Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface Use caution when installing or modifying telephone lines Avoid using a telephone other than a cordless type during an electrical storm There may be a remote risk
30. of electrical shock from lightning Do not use the telephone to report a gas leak in the vicinity of the leak To reduce the risk of fire use only No 26 AWG or larger telecommunication line cord If S T interface ISDN network connection cable is used the ISDN phone cord should be connected between the ISDN network connection cable and a NT1 device 11 MultiModem ISDN User Guide Assembling the MTA128ST USB The only assembly required is to mount the feet on the bottom of your unit See Figure 2 2 Peel the four self adhesive plastic feet off the backing strip and press them into the recesses on the bottom of the MTA128ST USB Figure 2 2 Mounting the Feet Connecting the MTA128ST USB to Your System cabling procedure is shown in Figure 2 3 Place the MTA128ST USB terminal adapter in a convenient location In a typical configuration you will ISDN network terminator and to any optional analog equipment you are using e g a telephone Each need to connect your MTA128ST USB to your computer s USB port to its own power supply to the EE POWER L USB PHONE ISDN T T B CE 28 Ej FJEJEIES HSE 3 E ppp TT jp gc C air ia Figure 2 3 MTA128ST USB Connections 12 Chapter 2 Hardware Installation
31. other information pulse dialing One of two methods of dialing a telephone usually associated with rotary dial phones Compare with tone dialing PVC permanent virtual circuit A connection between two endpoints dedicated to a single user In ISDN PVCs are established by network administration and are held for as long as the user subscribes to the service Q Q 921 The ITU T recommendation for user network interface layer 2 specifications for D channel signaling Similar to LAPD See also SDN Q 931 The ITU T recommendation for user network interface layer 3 specifications for D channel signalling See also SDN R R reference point Establishes the boundary between non ISDN compatible equipment TE 2 and the IDN network TAs are used to convert the communication protocol used by the non ISDN termnials to the desired BRI or PRI protocol Non ISDN TE2 terminal equipment connects to IDN at the R Reference point with a TA This interface may follow the RS232 or V 35 specification Also called the R interface Contrast S reference point RAM random access memory A computer s primary workspace All data must be stored in RAM even for a short while before software can use the processor to manipulate the data Before a PC can do anything useful it must move programs from disk to RAM When you turn it off all information in RAM is lost reference point A connection point between ISDN equipment classes rather than the specifi
32. removed from digital transmissions digitize To convert an analog signal to a digital signal DIP switch Pronounced dip switch A set of tiny toggle switches built into a DIP dual in line package used for setting configurable parameters on a printed circuit board DN directory number The phone number assigned to an ISDN TA at subscription time It is a string of up to 24 characters consisting of the valid dialing characters 0 9 and driver A software module that interfaces between the operating system and a specific hardware device e g color monitors printers hard disks etc Also known as a device driver DTE data terminating equipment A term used to include any device in a network which generates stores or displays user information DTE is a telecommunications term that usually refers to PCs terminals printers etc DTMF dual tone multifrequency A generic push button concept made popular by AT amp T TouchTone DTMF detection A capability in some fax data modems that can differentiate between DTMF or fax calling tones A typical application would be a program that routes calls to specific communications applications depending either on the type of call or on a DTMF tone added to a dialing string E EEPROM electrically eraseable programmable read only memory A permanent memory chip that can be reprogrammed by the customer after the manufacturer has set initial values See also ROM EISA Enhan
33. terminal adapter TA issue the ATI2 command in a terminal window If the TA responds to the command with MTA128ST USB then it supports V 110 If your TA resonds to the ATI2 command with MTA128ST USB RC V 110 support is not available The MTAI28ST USB RC will return ERROR in response to the Z 6 command USB Port Configuration Commands Use the following commands to control the interaction between the MTA128ST USB and the computer that is connected to it Command En Function Command Mode Echo Values n Oor1 Default E1 Echo on Description When you enter commands on the keyboard the TA echoes the characters back to the computer or terminal where they display on the monitor Use E to turn this feature on and off EO Echo off E1 Echo on Command L5 and L6 Function List Active Profile Values n 5or6 Default none Description Lists current operating parameters of the TA which is useful when changing communications software or changing default settings ATL5 lists AT command parameters and ATL6 lists values currently stored in the S registers See S Registers in this chapter for more information Command L8 Function Display ISDN Status Values none Default none Description Displays low level ISDN status for determining whether the physical layer is ready whether the data link layer is ready what caused a previous disconnect Busy Congestion Normal Call Clearing etc and whether for North American
34. terminator An MSN consists of a base address and a subaddress If you assisgn a base address only the unit accepts any incoming call with the same base address regardless of whether a subaddress is included If you assign a base address and a subaddress the unit only accepts calls that match both the base address and the subaddress multilink In point to point protocol literally many links A procedure used to route data packets over many links for increased bandwidth e g two B channels on a single BRI for 128 Kbps mux multiplexer A device that merges several signals into one composite signal for transmission over a single medium or channel A demultiplexer built into most muxes reverses the process at the receiving end N nailed connection A permanent or dedicated circuit of a previously switched circuit or circuits nailed up circuit A semi permanent circuit established through a circuit switching facility for point to point connectivity NAK negative acknowledgment A communications code used to indicate that a message was not properly received or that a terminal does not wish to transmit Contrast with ACK network A group of computers connected by cables or other means and using software that enables them to share equipment such as printers and disk drives to exchange information NI 1 National ISDN 1 A physical standard to make all compliant ISDN lines appear the same With ISDN 1 installed additional costs
35. the remote terminal adapter as well amp E12 Disables pacing amp E13 Enables pacing Xn Send Single Multiple Xoff Characters n 0ori X0 Allows TA to send either a single or multiple Xoff characters to exert flow control to the terminal The X0 command factory default setting causes one Xoff to be sent until the MTA128ST USB s buffer reaches the Xon level The X1 command uses an Xoff to be sent for every character received after TA reaches its buffer full level X0 One Xoff character sent until buffer reaches the Xon level default X1 Multiple Xoff characters sent for every character received after buffer reaches the full level 51 MultiModemISDN User Guide Command amp Fn Function Load Quick Setup Profile Values n 0 4 Default amp FO Description For quick setup the TA includes six Quick Setup Profiles each contains configuration parameters for a specific type of port operation To load a Quick Setup Profile into active memory use amp Fn where n is the profile number to load You then can customize the profile and store it using the amp W command so it loads automatically on power up or reset These profiles are stored in permanent memory and are not user configurable Appendix B amp FO Profile 0 Modem like operation default amp F1 Profile 1 V 110 async operation amp F2 Profile 2 V 120 async operation amp F3 Profile 3 X 75 async operation amp F4 Profile 4 MLPPP asy
36. this feature AT command D Auto Answer Data Calls Rings to Answer Select Auto Answer if you want your MTA128ST USB to automatically answer all incoming data calls this option does not affect the analog port The Rings to Answer number in the range of 1 to 255 selects the number of rings the unit waits before answering an incoming call The default is one ring AT command S0z Dialing Method Select either the Enbloc or the Overlap dialing method for use when establishing a data call Your ISDN provider determines the dialing method The Enbloc method is used for most ISDN dialing however you can select the overlap method if you are working with a private network AT command A97 Chapter 3 Software Installation and Configuration Data Protocol The data protocol also known as the B channel protocol and the rate adaption protocol is the language spoken over each 64 Kbps channel between two ISDN devices The devices on both ends of the ISDN link must use identical protocols AT commana Z V 110 Protocol Used to connect slower pre ISDN communications devices to high speed ISDN lines It handles rates up to only 38400 bps and is used mostly in Europe The devices on both ends of the link must be set to identical rates However the MTA128ST USB by default is able to adapt to the network rate of a received V 110 call even though it has S76 or MB set to a different network rate The MTAI28ST USB is manufacture
37. value of MB will change if S76 is changed The MTAI28ST USB is manufactured in two builds To determine the build of your terminal adapter TA issue the ATI2 command in a terminal window If the TA responds to the command with MTA128ST USB then it supports V 110 If your TA resonds to the ATI2 command with MTA128ST USB RC V 110 support is not available S register Function Unit Range S77 V 110 Network Rate Control decimal ASCII code n 1 use MB S76 n 2 use MB S76 or Auto Sync on Answer 69 MultiModemISDN User Guide 70 Default 2 use MB S76 or Auto Sync on Answer Description The Network Rate for V 110 will be determined by S76 MB If S77 1 then the network rate will be set to that of S76 MB and if the network does not match that of the peer device then the connection will fail Properties of S77 1 apply to both received and originated calls If the TA will be answering a V 110 call then it can be set to auto synchronize S77 2 on the incoming V 110 network rate Auto synchronizing allows the TA to adapt to the client s network rate without any need for the host to have its network rate predetermined If S77 2 and a V 110 call is originated then the network rate will be that of S76 MB The MTA128ST USB is manufactured in two builds To determine the build of your terminal adapter TA issue the ATI2 command in a terminal window If the TA responds to the command with MTA128
38. your ISP requires you to enter IP addresses for their server or DNS Domain Name Server click the TCP IP Settings button 38 9 Chapter 3 Software Installation and Configuration The TCP IP Settings dialog box displays TCP IP Settings 2 x C Specify an IP address Piedaress Server assigned name server addresses C Specify name server addresses Prime wns Seconda UNS Eimar ws Secondam WING MV Use IP header compression FN Use default gateway on remote network OK Cancel If your ISP provided you with an IP address for your computer select Specify an IP address and enter the static address in the box provided If your ISP requires you to enter an IP address for their name server DNS select Specify name server addresses and enter the IP addresses given to you by your ISP Click OK to save the TCP IP values and return to the Server Types tab When you have completed customizing the modem properties for this connection click OK To use this connection double click the Dial Up Connection icon within the Dial Up Networking folder If prompted enter your Internet account User Name and Password and click Connect AT Commands You can configure the MTA128ST USB using AT commands just as you would configure an analog modem Use this method if you prefer to work with AT commands or if you have a special requirement not addressed by the configuration utilities or Dial Up Networking Usin
39. your Multi Tech System modem and click Next b Atthe Incoming Virtual Private Connection dialog box select either Allow virtual private connection or Do not allow virtual private connection c The Allowed Users dialog box is displayed Next you can Add or Delete users you will allow to connect to this device Click Next gt d In the Networking Components dialog box select the boxes next to the name of each component you want to enable for incoming connections Click Next e The Completing the Network Connection Wizard dialog box is displayed In the box provided enter a meaningful name for this connection and click Finish If you select Connect directly to another computer This connection option is designed to allow a connection between two computers using a serial parallel or infrared port a The Host or Guest dialog box is displayed Select the role you d like for this computer Select Host if this computer has the information you want to access Select Guest if this computer will be used to access information on the Host computer b Ifyou select Host you will be presented with the Connection Device dialog box Select the device from the list After installing the device through the Wizard you may configure the connection properties by right clicking on the icon for this connection and selecting Properties Upon completion click Next gt 35 MultiModemISDN User Guide 36 d The Allowed Users dialog
40. 0 VERBOSE OK Connect Ring No carrier Error Connect 1200 No dial tone Busy Connect 600 Connect 2400 Connect 4800 Connect 9600 Connect 19200 Connect 38400 Connect 56000 Connect 64000 PPP N 110 N 120 X75 DEFINITION TA executed the command without error TA established an ISDN connection TA detected a ring caused by incoming call TA did not detect carrier within time allotted by S Register S7 Error in the AT command TA connected at 1200 bps TA has a poor connection to ISDN network TA detected a busy signal TA connected at 600 bps TA connected at 2400 bps TA connected at 4800 bps TA connected at 9600 bps TA connected at 19200 bps TA connected at 38400 bps TA connected at 56000 bps TA connected at 64000 bps TA using Point to Point protocol TA using V 110 rate adaption protocol TA using V 120 rate adaption protocol TA using X 75 rate adaption protocol The MTAI28ST USB is manufactured in two builds To determine the build of your terminal adapter TA issue the ATI2 command in a terminal window If the TA responds to the command with MTA128ST USB then it supports V 110 If your TA resonds to the ATI2 command with MTA128ST USB RC V 110 support is not available 71 MultiModemISDN User Guide Using AT Commands to Operate the MTA128ST USB You can configure and operate the MTA128ST USB entirely with AT commands if you like But remember you can issue AT commands only from a terminal
41. 100 If you don t know the switch type get the information from your ISDN service provider AT command C0 Data TEI Data TEI Terminal Endpoint Identifier is the TEI assigned to the data channel You can select Auto TEI a fixed TEI or Disable A TEI is a number used by the central office switch to uniquely identify each device connected to the network When it uses dynamic TEI assignments Auto TEI the central office switch assigns a TEI each time the unit connects to the network However the ISDN service provider may assign a fixed TEI at subscription time in which case you must configure the unit with the fixed TEI number You can also disable the channel which may be useful when multiple units are attached to a network terminator bus AT command D3 Voice TEI Voice TEI is the TEI assigned to the voice channel Choices are Auto TEI a fixed TEI number or Disable AT command D3 29 MultiModemISDN User Guide 30 Data MSN The Data MSN Multiple Subscriber Number allows a caller to specify an individual MTA128ST USB when more than one unit is connected to your network terminator If you don t assign a value to the MSN the unit accepts all incoming calls If you only assign a base address to the MSN the unit accepts any incoming call with the same base address regardless of whether a subaddress is included If you assign a base address and a subaddress to the MSN the unit only accepts calls that match both the
42. 2 Custom dual Default Description S register Function Unit Range Default Description S register Function Unit Range Default Chapter 4 AT Commands S Registers and Result Codes 3 Austria 4 Belgium 5 Cyprus 6 Denmark 7 Finland 8 France 9 Germany 1 10 Germany 2 11 Greece 12 Iceland 13 Ireland 14 Italy 15 Luxembourg 1 16 Luxembourg 2 17 Malta 18 Netherlands 19 Norway 20 Portugal 21 Spain 22 Sweden 23 Switzerland 1 24 Switzerland 2 25 United Kingdom 1 26 United Kingdom 2 27 United States 0 25 Hz single ring 2 sec on 4 sec off Sets the frequencies and cadences used when ringing the device attached to the POTS port phone modem fax Select the appropriate country to use the frequencies and cadences specified according to ETS 300 001 Chapter 1 1992 p 56 The Austria and France settings default the frequency to 25 Hz since the TA doesn t support a 50 Hz nominal frequency A number 1 or 2 next to a country name indicates the availability of either alternate nominal frequencies or alternate cadences You also can configure frequencies and cadences by using CONFIG menu selection 6 POTS Port Configuration and or with S registers S44 S67 S68 S69 S70 and S71 Save configurations with the amp W or amp W0 command S67 Single or Dual Cadence Ring Signal Decimal ASCII code 0 Single 1 Dual 0 Single cadence ring signal Sets the POTS port ring signal f
43. 4 AT Commands S Registers and Result Codes 64 Subscriber 96 Abbreviated Numbering Plan Unknown ISDN telephony Data Telex National standard Private 128 disabled Modifies the value of Octet 3 of the Calling Party Number Information Element that is sent within the SETUP message for data and POTS port voice modem fax calls To set a specific number type and numbering plan select an option from the Type of Number section above and add its value to the value of an option in the Numbering Plan section above For example a National ISDN Calling Party Number IE would be S56 33 where 32 National 1 ISDN telephony 33 National ISDN If there is no Data Directory Number for data calls nor Voice Directory Number for voice modem fax calls no Calling Party Number IE is sent By default S56 128 which means no Calling Party Number IE is sent PB O 57 applies to NET3 C0 2 switch type only Called Party Number IE Settings decimal ASCII code 128 Disable Type of Number 0 Unknown 16 International 32 National 48 Network specific 64 Subscriber 96 Abbreviated Numbering Plan 0 Unknown ISDN telephony Data Telex National standard Private ceo FR CO 128 disabled Modifies the value of Octet 3 of the Called Party Number Information Element that is sent within the SETUP message for a data call and within each INFORMATION message that is sent when dialing from the POTS port To set a specif
44. ARRANTY IS IN LIEU ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MER CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IN NO EVENT WILL MTS BE LIABLE FOR CONSEQUENTIAL DAMAGES RESULTING FROM USE OF THE LI CENSED PROGRAM WHETHER AS A RESULT OF MTS NEGLIGENCE OR NOT EVEN IF MTS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES INDEMNIFICATION MTS will indemnify and defend Customer from any claim that the software infringes on any copyright trademark or patent Customer will indemnify and defend MTS against all other proceedings arising out of Customers use of the software GENERAL If any of the provisions or portions thereof of this Agreement are invalid under any applicable statute or rule of law they are to that extent deemed to be omitted This is the complete and exclusive statement of the Agreement between the parties which supersedes all proposals oral written and all other communications between the parties relating to the subject matter of this Agreement This Agreement may only be amended or modified in writing signed by authorized representatives of both parties This Agreement shall be governed by the laws of the State of Minnesota The waiver of one breach or default hereunder shall not constitute the waiver of any subsequent breach or default Technical Support Chapter 6 Warranty Service and Tech Support Multi Tech provides free technical support for as
45. AS 8 8eme 39 Call control configuration 30 Config allons cou RE nt ne 29 Configuration profiles 90 Connecting to your system 12 R EL SEE PP 8 ISDN configuration utility 32 ziii S 14 Modes of operation 72 Network configuration 29 Operation using AT commands 72 Product description sains 6 Regulatory compliance 89 Technical specifications 9 Troubleshooting iioc hie toot hides 76 Typical configurato Msense 12 UnPaCkINQ seins 11 Windows 2000 dial up networking 33 Windows 98 96 dial up networking 37 MultiExpress terminal 77 Multiple Subscriber Number MSN 30 N Network configuration Data MSN ns imite 30 ata TE E E horto miss 29 DNS asc 30 Network SWIE Messe iiaiai 29 brew see one ue 30 Voice MSN eR 30 VOICE Ms EN 29 Network switch type AT COMMI enaa 44 Networkconfiguration 29 O Offline command mode 72 On line warranty registration 83 Online command mode 72 Operating MTA128ST USB AT commands Answering ACA ssh 73 aina ai e seras ns ne 74 Making a Call seen 72 Overlap Sending
46. At this time your installation is complete Note At some point you may need to change the modem descriptor Follow the procedure described in Changing the Modem Descriptor Windows 98 Removing Your Old Device from Windows 2000 and Windows 98 95 When your new MTA128ST USB replaces another terminal adapter the old installation remains in Windows 2000 and Windows 98 95 after you install the new device and the old device is still selected in HyperTerminal and other Windows 2000 and Windows 98 95 applications Although you can change the application connection descriptions one at a time it is easier to force Windows applications to use the new device by removing the old modem from Windows 1 Click Start Settings Control Panel 2 ForWindows 98 95 users double click the Modems icon to display the Modems Properties dialog box For Windows 2000 users click the Phone and Modem icon to display the Phone and Modem Options dialog box then click the Modems tab 3 Inthe list box select highlight the device to be deleted 4 Click Remove and then click Close to remove the device from your system 5 The next time you dial a HyperTerminal connection it will select your new device and ask you to confirm the selection Chapter 3 Software Installation and Configuration Configuration Run the ISDN MTA128ST USB configuration utility for North American customized ISDN settings Note For Europe run the configuration uti
47. IER message after dialing the number Some switches don t support extended BC bearer capability information in the ISDN SETUP message such as the one normally sent by V 110 data protocol When these switches receive a BC with extended capability information in the SETUP they immediately reject the call and a NO CARRIER message displays Disable sending extended BC information for V 110 calls by issuing the command AT D1 0 To enable sending extended BC information for V 110 calls issue the command AT D1 1 the default setting When using X 75 data protocol to transfer data via the Zmodem the Zmodem displays Intermittent bad packet errors and data throughput drops This occurs in cases when the X 75 packet size is greater than 1024 bytes and the terminal adapter sending the file has a fast baud rate e g 115200 bps or its a USB TA and the terminal adapter receiving the file has a slow baud rate e g 19200 bps To reduce or possibly eliminate this reduce the X 75 packet size S53 to a value less than or equal to 1024 bytes e g ATS53 512 However if you set the receiving terminal adapter s baud rate nearly equal to or greater than the baud rate of the 79 MultiModemISDN User Guide 80 sending terminal adapter then the packet size can be greater than 1024 and Zmodem transfers the data without bad packet errors Note The MTA128ST USB is manufactured in two builds To determine the build of your terminal adapter TA issu
48. II 10 S5 8 Set backspace character to BS ASCII 8 7 45 Wait 45 seconds for connection before aborting 10 20 Set DCD drop time to 700 ms S25 5 Set DTR detect time to 500 ms 32 20 Set escape sequence guard time to 2 seconds S34 2 Set maximum escape sequence character length S50 1 Caller Line ID enabled S52 1 Auto Protocol Detection enabled 53 2048 Maximum X 75 buffer size is 2048 characters amp S1 DSR follows DCD V1 Select verbose messages 1Z 12 Enable X 75 data protocol Profile 4 amp F4 ML PPP Asynchronous Operation AT COMMAND DESCRIPTION amp C1 DCD functions normally D0 Disable persistent DTR dialing amp D1 Hang up when DTR drops E1 Enable command mode echo amp E4 Enable hardware flow control amp E6 Discard XON XOFF characters amp E13 Enable pacing X0 Disable Sending Multiple Xoff Characters amp JO Disable Automatic Channel Bundling E1 Enable escape method E4 No OK response to or lt break gt escape amp R1 CTS always high S0 1 Answer after 1 ring S2 43 Set escape character to ASCII 43 S3 13 Set carriage return character to CR ASCII 13 S4 10 Set line feed character to LF ASCII 10 S5 8 Set backspace character to BS ASCII 8 7 45 Wait 45 seconds for connection before aborting 10 20 Set DCD drop time to 700 ms S25 5 Set DTR detect time to 500 ms 32 20 Set escape sequence guard time to 2 seconds S34 2 Set maximum escape sequence character length S50 1 Caller Line ID enabl
49. Model MTA128ST USB External ISDN Terminal Adapter Multi Systems User Guide Model MTA128ST USB P N 88311703 Revision D Copyright 1999 by Multi Tech Systems Inc All rights reserved This publication may not be reproduced in whole or in part without prior expressed written permission from Multi Tech Systems Inc Multi Tech Systems Inc makes no representations or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose Furthermore Multi Tech Systems Inc reserves the right to revise this publication and to make changes in the content hereof without obligation of Multi Tech Systems Inc to notify any person or organization of such revisions or changes Record of Revisions Revision Date Description A 6 21 99 Manual released All pages at revision A B 9 3 99 Deleted the RJ 11 phone cord and added ISDN Configuration Utility diskette to the shipping list C 10 5 99 Added DNn DNn ENn ENn At commands and modified S Register S52 D 5 23 00 Added driver installation procedure for Windows 2000 added procedure for changing descriptor deleted references to Multi Tech s BBS updated area code information added clarification to V 110 support information and made minor technical updates Trademarks MultiModemISDN Multi Tech and the Multi Tech logo are trademarks of Multi Tech Systems Inc AT amp T and 5ESS are registered
50. NET3 French VN4 and Japanese INS64 switch protocols USB interface for easy installation hot swappable Windows 2000 and Windows 98 with other USB devices without restarting or reconfiguring your PC Compatibility with U S NI 1 AT amp T 5ESS and DMS 100 switch protocols Compatibility with V 110 V 120 ML PPP and X 75 protocols ISDN BRI 2B D and analog ports USB port Type B Support of PPP Point to Point Protocol for high speed ISDN connections Tone detection to allow use of a standard telephone for ISDN line access an ISDN telephone is not required Automatic detection of incoming calls as voice or data Windows 2000 and Windows 98 95 software utility for easy ISDN line configuration AT commands S registers and result codes Ability to use the same communications software as analog modems Flash memory for easy firmware upgrades The MTA128ST USB is manufactured in two builds To determine the build of your terminal adapter TA issue the ATI2 command in a terminal window If the TA responds to the command with MTA128ST USB then it supports V 110 If your TA resonds to the ATI2 command with MTA128ST USB RC V 110 support is not available Chapter 1 Introduction and Description Technical Specifications Your MTA128ST USB terminal adapter meets the following specifications Trade Name MultiModemISDN Model Number MTA128ST USB International Network Interface Four wire S T interface Switch Compatibili
51. Next gt to install the selected driver 23 MultiModemISDN User Guide 8 Windows proceeds to copy the files to the system and then displays the Add New Hardware Wizard dialog box indicating that Windows has finished installing the software Add New Hardware Wizard Click Finish to complete the installation and exit the wizard Note Click My Computer Properties Device Manager to verify that the driver software has been installed 24 Chapter 3 Software Installation and Configuration Changing the Modem Descriptor Windows 98 The following procedure describes how you can change the description of the terminal adapter The default descriptor is MTA128ST USB ML PPP Note If you need assistance contact Multi Tech Technical Support group 1 Click Start Settings Control Panel System to display the System Properties dialog box Select the Device Manager option to display the Device Manager screen Expand the modem list and highlight the default descriptor MTA128ST USB ML PPP With the MTA128ST USB ML PPP entry still highlighted right click and select the Properties button Boo m e Click the Driver tab 6 The MTA128ST USB ML PPP Properties dialog box displays MTA128ST USB ML PPP Properties Click the Update Driver button 7 The Update Device Driver Wizard dialog box displays Click Next gt 25 MultiModemISDN User Guide 8 The Update Device Driver Wizard dialog box disp
52. ORE OPENING THE SOFTWARE PACKAGE This license agreement is a legal agreement between you either an individual or a single entity and Multi Tech Systems Inc for the Multi Tech software product enclosed which includes computer software and may include associated media printed materials and online or electronic documentation SOFTWARE PRODUCT The SOFTWARE PRODUCT also includes any updates and supplements to the original SOFTWARE PRODUCT provided to you by Microsoft Any software provided along with the SOFTWARE PRODUCT that is associated with a separate end user license agreement is licensed to you under the terms of that license agreement By installing copying downloading accessing or otherwise using the SOFTWARE PRODUCT you agree to be bound by the terms of this End User License Agreement EULA If you do not agree to the terms of this EULA do not install or use the SOFTWARE PRODUCT you may however return it to your place of purchase for a full refund SINGLE USER SOFTWARE LICENSE AGREEMENT This copy of Multi Tech software is provided only on the condition that you Customer agree to the following license READ THIS LICENSE CAREFULLY If you do not agree to the terms contained in this license return the packaged program UNOPENED to the place you obtained it If you agree to the terms contained in this license fill out the enclosed Software Registration Card date sign and return the card by mail Opening the packaged
53. PBX for large business users See also PBX exchange channel A data communications path between two computer devices It can refer to a physical medium e g UTP or coax or to a specific carrier frequency In ISDN two types of channels are specified transparent user can define the service and nontransparent service is assigned protocols for specific network functions ISDN channel names are designated by a single letter from A through M sometimes combined with a number see B channel and D channel circuit switched network A technology used by the PSTN that allocates a pair of conductors for the exclusive use of one communication path Circuit switching allows multiple conversations on one talk path only if end users multiplex signals prior to transmission circuit switching The temporary connection of two or more communications channels using a fixed non shareable path through the network Users have full use of the circuit until the connection is terminated CO central office The lowest most basic level of switching in the PSTN public switched telephone network A business PABX or any residential telephone connects to the PSTN at a central office COM port A serial communications port on a personal computer Normally there are two COM1 and COM2 CPE customer premise equipment The generic term for data communications and or terminal equipment that resides at the user site and is owned by the user e g not tele
54. S ISDN functions beyond the basic requirements includes videoconferencing fast dialing call waiting call forwarding calling line ID SVC switched virtual circuit A type of data transmission where the connection is maintained only until the call is cleared SVD simultaneous voice and data A technology for letting a user send data via a modem and use a handset to talk to another user at the same time over the same connection The alternative making a second call can be expensive or even impossible The uses for SVD are telecommuting videoconferencing distant learning tech support etc switched 56 A circuit switched full duplex digital synchronous data transmission service that lets you dial a number and transmit data to it at 56 Kbps It is a relatively low cost service widely used in North America for telecommuting videoconferencing and high speed data transfers Many phone companies are phasing out switched 56 in favor of ISDN service switched line In communications a physical channel established by dynamically connecting one or more discreet segments This connection lasts for the duration of the call after which each segment may be used as part of a different channel Contrast with leased line switched network A network in which a temporary connection is established from one point via one or more segments synchronous transmission The transmission of data which involves sending a group of characters in a packet
55. S s option issuance of a refund of the purchase price Defective products must be returned by Customer to MTS s factory transportation prepaid MTS WILL NOT BE LIABLE FOR CONSEQUENTIAL DAMAGES AND UNDER NO CIRCUMSTANCES WILL ITS LIABILITY EXCEED THE PRICE FOR DEFECTIVE PRODUCTS Addendum for North American Products In the event that service is required products may be shipped freight prepaid to our Mounds View Minnesota factory Multi Tech Systems Inc 2205 Woodale Drive Mounds View MN 55112 Attn Repairs Serial A Returned Materials Authorization RMA is not required Return shipping charges surface will be paid by MTS Please include inside the shipping box a description of the problem a return shipping address must have street address not P O Box a telephone number and if the product is out of warranty a check or purchase order for repair charges Extended two year overnight replacement agreements are available for selected products Please refer to our Overnight Replacement Agreement on our web site for details on rates and coverages Please direct your questions regarding technical matters product configuration verification that the product is defective etc to our Technical Support department at 1 800 972 2439 Please direct your questions regarding repair expediting receiving shipping billing etc to our Repair Accounting department at 800 328 9717 or 763 785 3500 Repairs for damages caused b
56. ST USB then it supports V 110 If your TA resonds to the ATI2 command with MTA128ST USB RC V 110 support is not available S Register S80 Function Persistent DTR Dialing Delay Unit 1 second Range n 1 255 1 255 seconds Default 5 5 seconds Description Once DTR is detected as present active high and other conditions required for the TA to dial are met a delay of S80 seconds will occur before stored number 0 is dialed Some conditions include the TA not being in the CONFIG menu not having a data call present at the time and Persistent DTR Dialing must be enabled By default the TA will delay for 5 seconds before dialing when all conditions are satisfied Result Codes When the MTA128ST USB TA receives an AT command from the computer or terminal it attempts to execute the command then sends a status message to the computer or terminal that reports the result of the command The TA provides you with several of these response messages or result codes which can be displayed on your monitor or intercepted and used by your communications software Using the Vcommand you can select whether the result codes are terse numbers or verbose words Chapter 4 AT Commands S Registers and Result Codes The TA s result codes are listed below Note that the speed of an ISDN channel is always either 56 Kbps or 64 Kbps Connect messages indicate the speed of the connection between the TA and your computer or terminal TERSE
57. ST USB only V 120 X 75 PPP MLPPP is in use as shown in the table below Q Data Protocol Lights in combination with P1 and 128 LEDs to indicate which data protocol V 110 V 120 X 75 PPP MLPPP is in use as shown below Data Protocol 128 LED P1 LED P2 LED V 110 o e e V 120 o e O X 75 e O e PPP 1 channel o O O MLPPP 2 channels O O O Q orF OON The MTAI28ST USB is manufactured in two builds To determine the build of your terminal adapter TA issue the ATI2 command in a terminal window If the TA responds to the command with MTA128ST USB then it supports V 110 If your TA resonds to the ATI2 command with MTA128ST USB RC V 110 support is not available References The World Wide Web is an excellent source of information about terminal adapters terminal adapter installation configuration and troubleshooting The following Web sites are good places to start Costmo s Other Resources Page http modems rosenet net or Data Communications FAQ http www best com malch comfaq html e Multi Tech Systems Inc http www multitech com 15 Chapter 3 Software Installation and Configuration Multi Systems Chapter 3 Software Installation and Configuration Introduction This chapter describes how to install the MTA128ST USB driver software and discusses how to configure the unit to match your ISDN service and remote terminal adapter TA MTA128ST USB driver software is installe
58. Systems Appendixes Appendix A Regulatory Compliance Class B Statement FCC Part 15 This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help This device complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept any interference that may cause undesired operation Warning Changes or modifications to this unit not expressly approved by
59. TCP IP host on a network Normally printed in dotted decimal format e g 129 128 44 227 IRQ interrupt request The notification a processor receives when another portion of the computer s hardware requires its attention IRQs are numbered so that the device issuing the IRQ can be identified and so that IRQs can be prioritized ISA Industry Standards Architecture Pronounced ice a The classic 8 or 16 bit architecture introduced with IBM s PC AT computer Due to speed constraints IBM later introduced a restructured Micro Channel Architecture with a 32 bit bus and increased addressing capabilities ISDN Integrated Services Digital Network International telecommunications standard for transmitting voice video and data over a digital communications line ITU T formerly CCITT International Telecommunications Union Telecommunications Sector the United Nations organization that prepares standards for resolving communications issues and problems L LAPB Link Access Procedure Balanced Based on the X 25 Layer 2 specification A full duplex point to point bit synchronous protocol commonly used as a data link control protocol to interface X 25 DTEs LAPB is the link initialization procedure that establishes and maintains communications between the DTE and the DCE LAPD Link Access Protocol for the D Channel Based on the ISDN Q 921 specification A full duplex point to point bit synchronous link level protocol for ISDN conn
60. This is a common method of transmission between computers on a network or between modems One or more synchronous characters are transmitted to confirm clocking before each packet of data is transmitted Compare to Asynchronous Transmission T T Provides the connection between the NT1 and NT2 Can be internal to or external from the PABX Provides the connection between the NT1 equipment and the TA or TE 1 Can provide both Primary Rate and Basic Rate services TA See terminal adapter TCP IP Transmission Control Protocol Internet Protocol A multi layer set of protocols developed by the US Department of Defense to link dissimilar computers across dissimilar and unreliable LANs TEI terminal endpoint identifier A unique number that is assigned to an ISDN terminal adapter at subscription time The TEI is used by the central office to identify the various TAs connected to the ISDN network The TEI number can be fixed in the range of 0 63 dynamically or automatically assigned at the CO each time the TA is connected to the ISDN interface and powered up TE1 Terminal Equipment Type 1 A terminal device with a standard ISDN interface an ISDN compatible terminal TE2 Terminal Equipment Type 2 A terminal device with a non ISDN interface such as RS232 RS449 V 35 or X 21 Can bea telephone data terminal or voice data worrkstation etc telecommunication service A function such as bearer service and teleservice offered b
61. UOM uice ein Aucune mines Data Call Commands sn E S ROGISIOLS ER e nada sance IT lee nn da sta a ini oce E edm e LCD IeE T S Register SUMMANY e EE RESU GOES c ER INN Using AT Commands to Operatethe MTA128S T USB entertain aaaea Modes Of Ope alm ERE EOD LOL EDS Making a Galles UE BI M Channel Bunding Flag Dialigi 2 23 sienne rer ihueedarssdesayares paddeeaguaes aduedessateniexndecagadals 72 Canceling a Call e TTE 73 Storingia Tele PMOMe NUMBEN 55 25 55 ec niacin ads teeeradtendcvee a na 73 Dialing a Stored T l phone Number smash era reuse iraniens tirent 73 Displaying a Stored NUbef sean ceessccctneccerssiddereniesceidveyecensslecaugcessesctaededesstaaugeunaseesie 73 Answering Gale mt 73 Answering Mariually zd ns E E E E E E 73 EO a ee E E E E E TE E A A aad deu S 73 Hana TC C ERE 74 Chapter 5 Troubleshooting ee Te e e 76 Chapter 6 Warranty Service and Technical Support WOW COM memet E 82 UBlnorisre AYA elit ti ERSTELLT LL 82 Addendum for Nonn American Produets scs 20e crane cya cn odere d capo otn en Eu oa 82 Addendum ior imtermauotial PIOQUEIS sue desc tetps Pesce tpe nd Pda su x RE sheen INE Mbeoaseeasss 82 Outof Wairdnly Hepail GOSIS uci tee nn me SU codd veste e eedem ol eeu S Lc zd esL LATE Ld rod 83 On line Warranty Registration 5 2 ene seated amende a ie etus 83 Software User License Agreement 2 trea ertet sten beet dort e e
62. a desktop terminal adapter with an ST port used for connection to an ISDN network a USB port for connection to a PC or laptop and an analog port to connect to a telephone modem or fax machine It ships with a software configuration utility for Windows 2000 and Windows 98 95 In addition the MTA128ST USB accepts AT commands that enable it to use the same communications software as an analog modem Figure 1 1 MTA128ST USB Front View The MTA128ST USB is compatible with the popular EuroISDN switch protocol it communicates using ISDN BRI 2B D service which provides up to 128 Kbps data and voice communications and it automatically detects whether an incoming call is voice or data and handles it appropriately Universal Serial Bus USB Universal Serial Bus USB defined by a consortium of industry leaders permits connection of multiple low speed and medium speed computer peripheral devices such as telephones modems printers keyboards mice and scanners all from a single personal computer port The specification based on open architecture has become a standard feature in new desktop and notebook computers For more details refer to the USB Public Web Board on the World Wide Web at http www usb org Chapter 1 Introduction and Description Manual Organization This manual is divided into six chapters and two appendixes Chapter 1 Introduction and Description Summarizes product features lists technical specifica
63. a protocol amp switch type gt Dn Embedded Protocol Analyzer IDNn Disable Data DN MSN n IDNn Disable Voice DN MSN n IENn Enable Data DN MSN n IENn Enable Voice DN MSN n IN1 Data DN MSN 1 IN2 Data DN MSN 2 IN1 Voice DN MSN IRXG Receive gain ITXG Transmit gain IZ n Rate adaptation protocol USB Port Configuration En Command mode echo L List telephone numbers L5 List current operating parameters L6 List S register values L8 Display ISDN status Qn Status displays Sr n Set S register Sr Read S register Vn Terse verbose result codes Xn Connect messages Zn Restore parameters to current power up profile amp Cn DCD Data Carrier Detect control amp Dn DTR Data Terminal Ready control amp En Flow control Xn Send Single Multiple Xoff Characters amp Fn Load quick setup factory profile amp Mn Asynchronous Synchronous mode amp Rn CTS Clear To Send control amp Sn DSR Data Set Ready control amp Wn Store active profile amp Zn Store telephone number amp Jn Automatic Channel Bundling Dn Persistent DTR dialing En Escape sequence options Chapter 4 AT Commands S Registers and Result Codes Data Call Commands A Answer D Dial DSn Dial Stored telephone number amp Jn Channel Bundling H Hang up In Display product information On Return on line Config Start ConfigMenu Command Implementation Command Function Values Default Description Command Function Default Values Des
64. ade using the A type connector downstream connections peripherals hub outputs are made using the B type connector The USB spec defines two types of connectors to protect the bus from illegal topologies e g connecting one downstream port back to another etc and to prevent end user confusion This allows end users to easily attach the correct connectors to peripherals and ports Type A Plug and receptacle are to be used for those devices on which the external cable is permanently attached to devices such as Keyboard mouse and hubs Series B Plug and receptacle are used for devices that require an external detachable cable such as printers scanners and modems U U reference point A twisted pair subscriber loop that connects the LT to the NT1 Normally a 2 wire BRI or PRI line is used but a 4 wire BRI can also be used In the US the U Reference Point marks the separation point between CPE and the network UHCI Universal Host Controller Interface The USB Universal Host Controller Interface All transfers on the USB are initiated by the host system s host controller The host controller is responsible for controlling traffic on the USB and can be appropriately programmed to transfer data to and from USB devices This is typically a PCI device that can be programmed to run a given schedule of transfers on the USB and bus master the results into memory for processing by the host software There are currently two standards for host controller
65. alog box displays Upgrade Device Driver Wizard Start Device Driver Installation The device driver will be installed with the default settings Click Next gt to start the device driver installation 21 MultiModemISDN User Guide 12 If the Digital Signature Not Found screen displays click Yes to continue the installation 13 The Completing the Upgrade Device Driver Wizard dialog box displays Upgrade Device Driver Wizard Completing the Upgrade Device Driver Wizard E MTA128ST USB CDC V 120 async Windows has finished installing the software for this device To close this wizard click Finish lt Back Cancel Click Finish 14 The Properties dialog box displays Click Close and then close all remaining screens Installing in Windows 98 1 Power up your Windows 98 system 2 Turn on your MTA128ST USB The LS Power LED will light 3 Plug the D shaped end Type B of your USB cable into the USB connector on the back of the unit See Figure 2 3 4 Windows will detect that the new modem is present and launch the Add New Hardware Wizard Add New Hardware Wizard This wizard searches for new drivers for MTA 1285T USB ISDN Terminal Adapter device driver is a software program that makes a hardware device work Place the Installation diskette provided with your modem into your floppy drive and click Next gt to proceed with the installation 22
66. alue use the command Sr where r is the register 56 number e g ATS7 S Register Summary S Register SO S1 S2 S3 S4 S5 S7 S8 S10 S25 830 S31 S32 S34 S44 S45 S46 S49 S50 S51 S52 853 S54 S55 S56 S57 S58 859 S60 S61 S62 S63 S64 S65 S66 S67 S68 S69 S70 S71 S73 Function Rings Until Answer Ring Count Escape Character Carriage Return Character Line Feed Character Backspace Character Wait for Connection Abort Timer Pause Time for Comma DCD Drop Time DTR Drop Time On line Inactivity Timer Maximum Redial Timeout Value Escape Sequence Timeout Maximum Escape Sequence Length POTS Port Ring Frequency Use Dial Tone from Central Office Pulse Dial Recognition POTS Port Dial Tone Gain Caller Line ID CLI POTS Port Dial Tone Suppression Auto Protocol Detection Maximum Frame Size X 75 Force 56 Kbps B Channel Data Rate POTS Port Call Control Calling Party Number IE Settings Called Party Number IE Settings Client Side Authentification Protocol Negotioation Dynamic Bandwidth Allocation DBA Scheme Bandwidth on Demand BOD High Threshold Bandwidth on Demand High Throughput Threshold Bandwidth on Demand BOD Low Threshold Sampling Period Bandwidth on Demand BOD Low Throughput Threshold Call Bumping CB POTS Call Bump Forwarding Delay Country Selections for POTS Ring Signal Single or Dual Cadence Ring Signal First Active Duration First Idle Duration Sec
67. amp F reset command continues to read factory default settings in ROM amp W1 Erases your custom settings in NVRAM the next time the TA is turned off or reset causing the TA to read factory default settings in ROM whenever it is turned on or reset amp Znzx Store Telephone Number n 0 9 x dial string n a The amp Zz command lets you store a telephone number in a memory register for faster dialing To store a number type amp Z the register number 0 9 where you want to store store the number the z character and the dialing string that you want stored then press ENTER The dialing string can have up to 25 characters To read a stored number type AT amp Zn e g AT amp Z4 where n is the number of the register you want to read To display a list of all numbers stored in memory type ATL and press RETURN 0 14082345678 1 17635551212 2 14089876543 3 4 6313551 5 6 4258513 7 8 17636313550 9 12138880123 Dn Persistent DTR Dialing n 0 ori DO Disabled Enables or disables persistent DTR dialing PDD PDD causes the terminal adapter to automatically and continuously redial stored telephone number 0 when the port has no active calls and DTR is high D0 Disables PDD D1 Enables PDD 53 MultiModemISDN User Guide 54 Command MBn Function V 110 Network Rate Values n 600 1200 2400 4800 9600 19200 38400 Default MB38400 Description If S77 1 then the network rate of the V 110 connection w
68. andwidth Allocation enabled and BOD enabled the client TA always has the ability to utilize BOD The host TA however only has the ability to utilize BOD if MP S59 1 was negotiated successfully by both the client and the host S register Function Unit Range Default Description S register Function Unit Range Default Description A short sampling period causes the TA to respond to an increase in the throughput sooner than a long sampling period By default the average throughput is determined over 10 seconds of time S61 Bandwidth on Demand High Throughput Threshold Kbps n 0 64 Kbps 52 b2 Kbps Sets the Bandwidth on Demand High Throughput Threshold which determines whether a second channel should be added due to high throughput Refer to the Bandwidth on Demand description and how High Throughput Threshold S61 and High Threshold Sampling Period S60 determine when a second channel should be added By default the average throughput during the High Threshold Sampling Period 860 must exceed 52 Kbps S62 Bandwidth on Demand BOD Low Threshold Sampling Period Seconds n 0 Second channel will not disconnect n 1 255 10 10 seconds Sets the BOD Low Threshold Sampling Period Refer to BOD description and how the Low Threshold Sampling Period S62 and Low Throughput Threshold S63 determine when the second channel should be disconnected Setting S62 0 causes the TA to not disconnect seco
69. annel traffic decoding layer 3 only Q 931 gt D4 Display B channel traffic decoded as X 75 gt D5 Display RS 232 traffic decoded as PPP gt D6 Display B channel traffic decoded as PPP gt D98 Disable embedded protocol analyzer buffered data unchanged gt D99 Enable embedded protocol analyzer clearing buffered data IN1 n Data DN MSN 1 n 25 character string null string IN1 sets the Directory Number DN Multiple Subscriber Number MSN for the data channel The DN MSN is a telephone number assigned to the TA at subscription time by the ISDN service provider The DN MSN is a string of up to 25 characters valid characters are 0 9 the character and the character Command Function Values Default Description Command Function Values Default Description Command Function Values Default Description Command Function Values Default Description Command Function Values Default Description Chapter 4 AT Commands S Registers and Result Codes IN2 n Data DN MSN 2 n 25 character string Null string Data DN MSN 2 accommodates the functionality for handling acceptance of incoming data Data DN MSN 2 can be set to the same value as the Voice DN MSN or Data DN MSN 1 See the N1 command description Note If using the TA as a host for MultiLink PPP calls with the MP Dynamic Bandwidth Allocation scheme S59 1 Data DN MSN 2 must be entered IN1 n Voice DN MSN n 25 ch
70. ar or incompatible applications programs to transfer information over a communications link APIs may be simple or complex they are commonly required to link computer applications with mainframe programs ASCII American Standard Code for Information Interchange Pronounced ass key A binary code for data that is used in communications and in many computers and terminals The code is used to represent numbers letters punctuation and control characters The basic ASCII code is a 7 bit character set which defines 128 possible characters The extended 8 bit ASCII code defines 255 characters ASI application services interface A software module that creates the interface between a LAN connected PC and the network operating system ASIs packetize computer data for transport over the network NASI NCSI MCSI and NETCI are specific examples AT commands A standard set of commands used to control modems Each AT command string begins with the characters AT which get the attention of the modem before the actual command is issued See also command mode background An activity that takes place in the computer while you are running another application In other words the active user interface does not correspond to the background task bandwidth The transmission capacity of a computer channel communications line or bus It is expressed in cycles per second hertz the bandwidth being the difference between the lowest and highest frequencies t
71. aracter string null string Sets the DN MSN for the voice channel See the N1 command description IRXGn Receive Gain n 0 10 IRXG6 medium volume Use RXG to control the speaker level of an analog telephone device connected to the AUX port AT RXGO selects the lowest level AT RXG10 selects the highest level and intermediate numbers select intermediate levels IRXGO Lowest speaker volume through IRXG10 Highest speaker volume ITXGn Transmit Gain n 0 4 TXGO No amplification Use TXG to amplify the microphone output of an analog telephone device connected to the AUX port ATITXGO selects no amplification AT ITXG4 selects the highest amplification and intermediate numbers select intermediate amplification CAUTION Do not adjust the gain unless absolutely necessary It is very large at nonzero levels Adjust only for special equipment that provides very low level signals to the analog port ITXGO No microphone amplification through ITXG4 Highest microphone amplification IZ n Rate Adaption Protocol n 5 6 9 or 12 1Z 9 ML PPP Selects rate adaption protocol used to communicate with another TA The local and remote terminal adapters must be set to the same protocol for communication to take place 1Z 5 V 120 protocol 47 MultiModemISDN User Guide 48 IZ 6 V 110 protocol 1Z 9 ML PPP protocol 17 12 X 75 protocol The MTAI28ST USB is manufactured in two builds To determine the build of your
72. are and try again e The MTA128ST USB may be defective If you have another Multi Tech MTA128ST USB try swapping units If the problem goes away the first MTA128ST USB is possibly defective Call Tech Support for assistance see Chapter 6 The MTA128ST USB dials but cannot make a connection There may be several reasons the MTA128ST USB fails to make a connection Possibilities include Lack of a proper physical connection to the communication line A busy signal Awrongnumber 77 MultiModemISDN User Guide No terminal adapter at the other end A faulty communications device computer or software at the other end Incompatibility between communications devices An improperly configured MTA128ST USB Narrow the list of possibilities by using extended result codes To enable them enter ATV1X2 and press ENTER while in terminal mode or include V1X2 in the MTA128ST USB s initialization string V1X2 is enabled by default When you dial again the MTA128ST USB reports the call s progress If the MTA128ST USB reports NO DIALTONE check that the ISDN S T cable is securely connected to both the unit s ISDN jack not the AUX jack and the ISDN network terminator or wall jack If the cable looks secure try replacing it If that doesn t work the problem may be in your building s telephone installation Make sure ISDN cables on all devices are wired straight through pin 1 to pin 1 pin 2 to pin 2 etc and do not have reversed pairs The
73. are not incurred when changing from prestandard ISDN to standard ISDN Most RBOCs now are moving to ISDN 1 NI 2 National ISDN 2 A physical standard subsequent to NI1 When tested and deployed NI 2 will provide additional features and enhanced plug and play capabilities node Any point within a network that has been assigned an address NT network termination Devices that form the boundary between customer premise equipment and telephone company equipment Two types of NTs are used NT1 and NT2 NT1 Network TerminationType 1 An interface device used in the BRI portion of ISDN to connect four wire S T ISDN devices to the two wire 2BIQ U IDN It provides basic rate access in a 2B D format with two 64 bps channels for voice data and video communications It also provides one 16 Kbps channel for packet mode signalling low speed data and telecommunications services at the OSI Layer 1 level Similar in function to a DSU CSU device NT2 Network TerminationType 2 A device at the customer premise user side responsible for the ISDN network connection and for functions such as multiplexing and switching may be an intelligent device NTE network terminating equipment A set of ISDN functions residing at the boundary of the IDN and the subscriber NUI network user identification A unique alphanumeric number provided to dial up users to identify them to packet switched networks world wide The number is used for network acc
74. c protocol of the interconnection Can include R S T and U reference points RJ 11 An industry standard interface used for connecting a telephone to a modular wall outlet comes in 4 and 6 wire packages RJ 45 An 8 wire modular connector for voice and data circuits RPOA recognized private operating agency A corporation private or government controlled that provides telecommunications services RPOAs such as AT amp T participate as non voting members in the ITU T S S reference point Provides the connection between NT2 equipment and the TA or TE 1 Can provide both primary and basic rate services Also called the S interface Contrast R reference point SAP service access point A point at which the services of an OSI layer are made available to the next higher layer See also SAPI SAPI service access point identifier A logical point at which data link layer services are provided by a data link layer entity to a layer 3 entity See also SAP service The requirements offered by an RPOA to its customers to satisfy specific telecommunications needs 100 Glossary signaling The process of establishing maintaining accounting for and terminating a connection between two endpoints e g the user premises and the telco CO Central office signals to the user premises can include ringing dial tone speech signals etc Signals from the user s telephone can include off hook dialing speech to far end party and
75. cable must have at least the middle four pins pins 2 3 4 and 5 connected A reversed pair on the U phone company side is not important but a reversed pair on the S T your side can create problems if you have more than one device since multiple devices attached to the S T interface must all have the same polarity If the MTA128ST USB reports BUSY the other number may be busy in which case you should try again later If the MTA128ST USB reports NO CARRIER no connection was made You might have dialed the correct number but the other computer or software was turned off or faulty Check the number and try again or try calling another system to make sure your unit is working Also check that you accurately configured the TA with the correct switch type TEls data protocols and other parameters needed for a successful call see Chapter 3 You can place data calls but not voice calls or vice versa You might not have ordered both voice and data service from your ISDN provider Check your contract or latest statement of service from your ISDN provider Your ISDN provider may have programmed the switch incorrectly Call the provider You cannot place two simultaneous data calls 78 You may not have ordered an ISDN line configuration that supports two simultaneous calls Check your contract or latest statement of service from your ISDN provider Also your ISDN provider may have programmed the switch incorrectly Call the provider
76. call escape to online command mode AT lt cr gt then enter the H command ATH lt cr gt The escape sequence and hang up command can be combined into one command string ATH lt cr gt 74 Chapter 5 Troubleshooting Multi Systems MultiModemISDN User Guide Introduction This chapter describes basic problems you may run into with your MTA128ST USB and how to solve them Your MTA128ST USB was thoroughly tested at the factory before it was shipped If you are unable to make a successful connection or if you experience data loss during your connection check the following possibilities before calling Technical Support see Chapter 6 76 None of the LEDs light when the MTA128ST USB is on The MTA128ST USB does not respond to commands The MTA128ST USB dials but cannot make a connection You can place data calls but not voice calls or vice versa You cannot place two simultaneous data calls The MTA128ST USB disconnects while online The MTA128ST USB cannot connect when answering File transfer appears slower than it should be Data is being lost There are garbage characters on the monitor None of the LEDs light when the MTA128ST USB is on When you turn on the MTA128ST USB the LED indicators on the front panel should flash briefly as the unit runs a self test If the LEDs remain off the unit probably is not receiving power Make sure the MTA128ST USB s power switch is on especially if you normally turn
77. ced Industry Standard Architecture Pronounced eesa The purpose of the EISA bus is to provide a 32 bit bus for faster throughputs while maintaining backward compatibility with the classic ISA bus architecture ET exchange termination The carrier s local exchange switch Contrast with LT loop termination exchange A unit public or private that can consist of one or more central offices established to serve a specified area An exchange typically has a single rate of charges tariffs that has previously been approved by a regulatory group exchange area A geographical area with a uniform set of charges tariffs approved by a regulatory group for telephone services Calls between any two points within an exchange area are local calls See digital PBX and PBX F fax facsimile Refers to the bit mapped rendition of a graphics oriented document fax or to the electronic transmission of the image over telephone lines bit mapped approximation of a graphical document and therefore cannot be accurately interpreted according to any character code firmware Software that is stored in read only memory ROM Unlike random access memory RAM ROM can retain its content without electrical power Some ROM known as EEPROM can be reprogrammed electrically while it is in a device foreground The application program currently running on and in control of the PC screen and keyboard The area of the screen that occupies the active window
78. ced high but still provides online flow control amp R2 CTS is forced high but it drops on disconnect for the period of time set by S10 CTS still provides flow control when the TA is online Command amp Sn Function DSR Control Values n 0 1 or2 Default amp S0 DSR high 52 Description Command Function Values Default Description Command Function Values Default Description Command Function Values Default Description Chapter 4 AT Commands S Registers and Result Codes Controls state of DSR Data Set Ready signal on RS232E V 24 nterface A high DSR signal indicates to the computer that TA is ready to transmit data amp S0 DSR is always high amp S1 DSR acts normally that is it follows the state of the CD signal which goes high when the MTA128ST USB detects a carrier signal and goes low when the carrier signal is lost amp S2 DSR is always high except on disconnect when it drops for the period of time set by S10 and then goes high again amp Wn Store Active Profile n 0ori amp W1 Use factory default profile Stores your active profile or configuration in memory so you won t lose custom settings when you turn off the TA or reset it amp WO Stores all current AT command and S register values in nonvolatile random access memory NVRAM and configures the TA so it reads your custom settings in NVRAM when the TA is turned on or when it is reset with the Z icommand The
79. com to see if one is available Do you want to continue the installation E No More Info click Yes to continue 8 The Found New Hardware Wizard asking you to insert the installation diskette displays Found New Hardware Wizard x Insert the manufacturer s installation disk into the drive cas selected and then click OK Copy manufacturer s files from AAWin2k Browse In the Copy manufacturer s files from box use the browse button to find A Win2k or type A Win2k in the box Make certain that the installation diskette is in drive AX and click OK 18 Chapter 3 Software Installation and Configuration 9 The Driver Files Search Results dialog box displays Found New Hardware Wizard Driver Files Search Results Fo The wizard has finished searching for driver files for your hardware device eg The wizard found a driver for the following device 3 MTA 1285T USB ISDN Terminal Adapter L de Windows found a driver for this device To install the driver Windows found click Next c a WVin2kimdmmts2k inf The wizard also found other drivers that are suitable for this device To view a list of these drivers or install one of these drivers select the following check box and then click Next Install one of the other drivers lt Back Cancel Windows indicates it has found the device drivers and is ready to copy them to your computer Click Next gt 10 Win
80. connection and give the Sonix the command AT HO that s a double quote and then establish the data connection again The garbage characters should disappear Each time a 3Com Sonix terminal adapter originates a V 120 call the MTA128ST USB answers the call as a V 110 call The Sonix sends V 110 information in the SETUP message to the network Since the MTA128ST USB s default is with Auto Protocol Detection enabled ATS52 1 it looks at SETUP information from the Sonix and determines erroneously that it is a V 110 call Disable Auto Protocol Detection in the MTA128ST USB with the command ATS52 0 and try the connection again Note The MTA128ST USB is manufactured in two builds To determine the build of your terminal adapter TA issue the ATI2 command in a terminal window If the TA responds to the command with MTA128ST USB then it supports V 110 If your TA resonds to the ATI2 command with MTA128ST USB RC V 110 support is not available If you are using the MTA128ST USB RC the TA will disconnect after several seconds rather than answer the call as V 110 MTA128ST USB won t connect to an ELSA terminal adapter with the V 120 data protocol Most likely the ELSA terminal adapter has compression turned on The compression used by the ELSAterminal adapter is incompatible with compression used by the MTA128ST USB Give the ELSA the command AT CO to disable compression and try again Chapter 6 Warranty Service and Technical Support
81. connection options 33 Windows 98 95 connection options 37 Dialing a Stored Telephone Number 55 73 Dialing Method AT COMMMAMG E 44 Dimensio Seniman a oa 9 Directory Numboer DN atiende neis 30 Disabling a channel scssi 45 Display Network Configuration command 46 Display Product Information command 55 Displaying a stored number 73 DMS 100 switch type 44 DN directory number 30 46 Driver software installation WINDOWS 2000 C teens 17 WVINGOWS 99 aa tepinauacdersiaddund cerdadgugcays 28 WINDOWS 9B ait neue 17 22 DSR Data Set Ready signal 53 DSR Control AT COMMMAMNG es einen 52 DTR Data Terminal Ready 30 DAING Renee rere eto a oic eiectus 53 PROP TMG an aan 58 lente ERES 50 DTR Data Terminal Ready signal 53 DTR Control AT COMMANQ aaa 50 E Echo commands n 48 Embedded Protocol Analyzer 46 En bloc Seimdlfg eid bete eee bd odd 44 Environmental conditions 9 Erot Conoco EET TO T 51 ESCapeG Character matins 43 57 ESCAPE S QUENCeS xcii eroi 72 Inge Tuo Pre 43 Go 54 Outo Band EE 43 TME eanna 59 F Factory Profiles 22 22 sem mnenn 90 Firmware upgrade cccccceeeecceceeeeeeereeeceeeeneeees 87 Flash Wizard USING treats n tete n RSS 87 FONGO Olia
82. cription A97 n Dialing Method n 0ori A97 0 En bloc Standardized ISDN signaling protocols such as DSS1 DSS2 and SS7 support sending complete indication a signal that no more digits follow Adding this signal to a telephone number often is impractical Therefore many private networks send the number of a called party using a procedure called overlap sending where no sending complete indication is sent Computer users can automatically add the sending complete indication to a telephone number by choosing the en bloc method of sending which results in faster call setup Use the A97 command to select between the two methods A97 0 En bloc sending during call SETUP A97 1 Overlap sending during call SETUP ICO n Network Switch Type n 0 1 2 4 5 0r6 C0z2 Net3 Use the CO command to select one of the six network switch types supported by the TA Factory default setting is C0 2 NET3 IC0 0 AT amp T 5ESS IC0 1 Northern Telecom DMS 100 IC0 2 EurolSDN NET3 IC0 4 INS64 IC0 5 US NI 1 IC0 6 VN4 IC6 n Data SPID n 0 20 character string null string Use C6 to specify the data service profile identifier SPID that the ISDN service provider assigned at subscription time The data SPID string can have up to 20 characters This command is not used if the switch type is set to NETS Note For DMS 100 switches any ASCII character except the underline _ character is valid For NI 1 and AT amp T switches only the
83. cription Command Function Values Default Description Command Function Values Default Description AT Attention Code n a n a The attention code precedes all command strings except the A command and escape codes RETURN Command Execution n a n a Press RETURN ENTER to execute a command In command examples RETURN frequently is abbreviated lt cr gt AT lt cr gt In Band Escape Code ASCII 43 Makes TA enter command mode without disconnecting the call when it is on line with a remote device Default escape code is three characters followed by the letters AT up to 80 command characters and a RETURN press Enter The TA escapes to command mode executes any commands in the string and then remains in command mode Use S2 command to change the escape character lt break gt AT lt cr gt Out of Band Escape Code n a n a Places TA in command mode while remaining on line Enter a break signal the letters AT up to 80 command characters and a RETURN press Enter 43 MultiModemISDN User Guide Switch Configuration Commands Use the following commands to select your network switch type e g EurolSDN Net3 and to specify other information required to make an ISDN connection Command Function Values Default Description Command Function Values Default Description Command Function Values Default Description Command Function Values Default Des
84. customized configuration in NVRAM and amp Wh defaults come from the factory default configuration in ROM Because Z clears the command buffer it must be the last command in a command string normally it is issued by itself ATZ Note that whereas the amp F0 reset command always restores the factory default profile the Z reset command restores either the factory default or the stored profile depending on how the amp W command is set amp Cn DCD Control n 0 1 or2 amp C1 DCD normal Controls behavior of the DCD Data Carrier Detect signal pin 8 on the RS232E V 24 interface Normally DCD goes high when the TA establishes a connection and drops when the connection is lost However you also can force DCD to remain high at all times or to remain high except for a brief drop following a disconnect amp CO DCD is forced high at all times amp C1 DCD goes from low to high when TA establishes a connection DCD normal amp C2 DCD drops briefly following disconnect then goes high again Register S10 defines how long DCD signal remains low after disconnect amp Dn DTR Control n 0 1 2 3 or4 amp D1 exits data mode and re enters AT command mode Controls how TA responds to DTR Data Terminal Ready signal on pin 20 of RS232E V 24 interface A high DTR signal tells the TA that the connected computer is ready to communicate amp DO TA ignores the DTR signal amp D1 When DTR goes low TA exits data mode and re enters AT command m
85. d ATSOz1 to your MTA128ST USB in terminal mode Note If the user wishes to accept calls while DTR is low the MTA128ST USB must be configured to ignore DTR This is accomplished by entering AT amp D0 lt cr gt With this configuration the MTA128ST USB is able to accept calls while DTR is low If this configuration setting is not made the TA rejects incoming calls until DTR is high while the calls comes in File transfer appears slower than it should be e f you have several active USB devices on the same USB link try deactivating one device at a time to see of the transfer rate increases USB devices on the same USB link share the same bandwidth of the USB link There may be several devices using a large amount of bandwidth such as a USB removable media disk drive leaving a small amount of bandwidth for the MTA128ST USB Data is being lost USB cable is not plugged in Make sure the flow control method you selected in software matches the method selected in the MTA128ST USB Making a V 120 call caller gets a NO CARRIER message after dialing the number Some switches don t support ISDN SETUP messages that contain a LLC low layer compatibility element When these switches receive an LLC in the SETUP they immediately reject the call and a NO CARRIER message displays Disable LLC for V 120 calls by issuing the command AT DO 0 To enable LLC for V 120 calls issue the command AT DO 1 Making a V 110 call caller gets a NO CARR
86. d escape sequence is AT lt cr gt To change the in band escape character change the value in register S2 Out of band where the escape sequence is outside the data stream The out of band escape sequence is break gt AT lt cr gt You can send the break signal in the out of band escape sequence only from software not by pressing SHIFT BREAK on your keyboard When it detects the escape sequence the TA enters on line command mode where it responds to commands while maintaining the connection with the remote device The TA s command buffer can store 80 characters including spaces and other characters used in telephone numbers If you mistype a command string before you press ENTER edit it by using the backspace or the delete key As you type a command string it appears on your monitor screen letting you verify your input as you type it The AT commands recognized by the TA are listed by function in this chapter first in an abbreviated list followed by a more detailed list For an alphabetical list of AT commands see AT commands in the index 41 MultiModemISDN User Guide 42 AT Commands by Function Command Implementation AT Attention code Return Command execution AT lt cr gt In band escape code lt break gt AT lt cr gt Out of band escape code Switch Configuration 96A97 Dialing method ICO Switch type IC6 Data SPID IC6 Voice SPID ID3 SAPI 0 data TEI ID3 SAPI 0 voice TEI IL List DN SPID TEI Dat
87. d in Windows 2000 Windows 98 and Windows 95 operating environments Installing in Windows 2000 1 2 3 Power up your Windows 2000 system Turn on your MTA128ST USB The LS Power LED will light Plug the D shaped end Type B of your USB cable into the USB connector on the back of the unit See Figure 2 3 Windows will detect that the new modem is present and launch the Found New Hardware Wizard Found New Hardware Wizard x Welcome to the Found New y Hardware Wizard This wizard helps you install a device driver for hardware device To continue click Next Place the Installation diskette provided with your modem into your floppy drive and click Next gt to proceed with the installation The Install Hardware Device Drivers dialog box displays Found New Hardware Wizard Install Hardware Device Drivers ER device driver is a software program that enables a hardware device to work with wey an operating system This wizard will complete the installation for this device 2 MTA 128ST USB ISDN Terminal Adapter A device driver is a software program that makes a hardware device work Windows needs driver files for your new device To locate driver files and complete the installation click Next What do you want the wizard to do C Display a list of the known drivers for this device so that can choose a specific driver Back Cancel Verify that the Search for a
88. d in two builds To determine the build of your terminal adapter TA issue the ATI2 command in a terminal window If the TA responds to the command with MTA128ST USB then it supports V 110 If your TA resonds to the ATI2 command with MTA128ST USB RC V 110 support is not available e V 120 Protocol Similar to V 110 protocol but provides rates up to 64000 bps on each B channel X 75 Protocol Packet switched network protocol for international use Layer 2 portion of this protocol is used commonly as a rate adaption protocol MLPPP Protocol MLPPP Multi Link PPP protocol provides rates up to 64 Kbps per channel This protocol uses both B channels at once providing an aggregate data transmission speed of 128 Kbps Dialing Numbers The MTA128ST USB can dial telephone number n where n can be up to 20 characters AT command Dn n phone number Stored Numbers The MTA128ST USB can store as many as ten phone numbers up to 20 characters each AT command amp Z Dialing Stored Numbers The MTA128ST USB can dial a number previously stored in directory number n with the amp Zn x command AT command DSn 31 MultiModemISDN User Guide ISDN MTA128ST USB Configuration Utility 32 Use the ISDN MTA128ST USB Configuration Utility with computers running Windows 2000 98 95 operating systems only Because it is a software utility you can use it to create and store as many different configurations as you wish
89. d mode echo amp E4 Enable hardware flow control amp E6 Discard XON XOFF characters amp E13 Enable pacing X0 Disable Sending Multiple Xoff Characters amp JO Disable Automatic Channel Bundling 9cE1 Enable escape method E4 No OK response to or lt break gt escape amp R1 CTS always high Appendixes S0 1 Answer after 1 ring S2 43 Set escape character to ASCII 43 3 13 Set carriage return character to CR ASCII 13 S4 10 Set line feed character to LF ASCII 10 S5 8 Set backspace character to BS ASCII 8 7 45 Wait 45 seconds for connection before aborting 10 20 Set DCD drop time to 700 ms S25 5 Set DTR detect time to 500 ms 32 20 Set escape sequence guard time to 2 seconds S34 2 Set maximum escape sequence character length S50 1 Caller Line ID enabled S52 1 Auto Protocol Detection enabled 53 2048 Maximum X 75 buffer size is 2048 characters amp S1 DSR follows DCD V1 Select verbose messages IZ x The data protocol is not modified Profile 1 amp F1 V 110 Asynchronous Operation The MTAI28ST USB is manufactured in two builds To determine the build of your terminal adapter TA issue the ATI2 command in a terminal window If the TA responds to the command with MTA128ST USB then it supports V 110 If your TA resonds to the ATI2 command with MTA128ST USB RC V 110 support is not available AT COMMAND DESCRIPTION amp C1 DCD functions normally DO Disable persistent DTR dialing amp D1 Ha
90. definition Network Connection Wizard Network Connection Type Y ou can choose the type of network connection you wantto create based on your network configuration and your networking needs k Connect using my phone line modem or ISDN C Dial up to the Internet Connectto the Internet using my phone line modem or ISDN C Connectto a private network through the Internet Create a Virtual Private Network VPN connection or tunnel through the Internet C Accept incoming connections Let other computers connectto mine by phone line the Internet or direct cable C Connect directly to another computer Connect using my serial parallel or infrared port cie owes Click Next 33 MultiModemISDN User Guide 34 The process for completing your Dial Up Networking connection will vary based on the connection type selected in the previous step If you select Dial up to private network and have only one modem installed a The Phone Number to Dial dialog box is displayed Enter the phone number of the computer network or Internet Service Provider ISP to which you are connecting Click Next gt The Connection Availability dialog box is displayed If you are creating this connection for multiple users select Create this connection for all users If this connection will be used only by you select Create this connection only for myself Click Next gt to continue The Completing the Networ
91. dows copies the files to your computer and then displays the Completing the Found New Hardware Wizard dialog box Found New Hardware Wizard e Completing the Found New D Hardware Wizard gt MTA1285T USB CDC ML PPP Windows has finished installing the software for this device To close this wizard click Finish lt Back Click Finish to complete installation and exit the wizard Note Click My Computer Properties Device Manager to verify that the driver software has been installed 19 MultiModemISDN User Guide Changing the Modem Descriptor Windows 2000 The following procedure describes how you can change the description of the terminal adapter The default descriptor is MTA128ST USB CDC ML PPP Note If you need assistance contact Multi Tech s Technical Support group 1 Click Start Settings Control Panel System to display the System Properties dialog box Click the Hardware tab Select the Device Manager option to display the Device Manager screen Expand the modem list and highlight the default descriptor MTA128ST USB CDC ML PPP With the MTA128ST USB CDC ML PPP entry still highlighted right click and select the Properties button a Ff N D Click the Driver tab 7 The MTA128ST USB CDC ML PPP Properties dialog box displays aixi General Modem Diagnostics Advanced Driver Power Management 2 MTA128ST USB CDC ML PPP Driver Provider Multi Tech S
92. e carrier BRI basic rate interface Also called 2B D One of two forms of ISDN service BRI provides two 64 Kbps B channels for video voice or data and one 16 Kbps D channel for control information The total BRI data rate is 192 Kbps with 144 Kbps available to the user See also ISDN and PRI buffer A temporary storage register or random access memory RAM used in all aspects of data communications that prevents data from being lost due to differences in transmission speed Keyboards USB ports muxes and printers are a few examples of devices that contain buffers bus A common channel between hardware devices either internally between components in a computer or externally between stations in a communications network byte A unit of information consisting of eight binary digits bits A byte holds the equivalent of a single or character such as the letter A C call setup time tThe time to establish a circuit switched call between two points Includes dialing wait time and central office long distance service movement time carrier signal An analog signal with known frequency amplitude and phase characteristics used as a transport facility for useful information By knowing the original characteristics a receiver can interpret any changes as modulations and thereby recover the information Centrex A multi line service offered by telephone companies that provides functions and features comparable to those of a
93. e the ATI2 command in a terminal window If the TA responds to the command with MTA128ST USB then it supports V 110 If your TA resonds to the ATI2 command with MTA128ST USB RC V 110 support is not available The MTA128ST USB won t accept V 120 calls from a 3Com Impact IQ terminal adapter The Impact IQ displays a connected status but the MTA128ST USB does not The MTA128ST USB is looking for a SABME command from the Impact IQ to finish establishing the V 120 connection However the Impact IQ won t send a SABME until it has data to send Have the Impact IQ send a character by pressing any key such as the space bar on the terminal attached to the Impact IQ The MTA128ST USB responds with a CONNECT message and displays the key you pressed e g a space MTA128ST USB receives garbage characters when connected to a 3Com Impact IQ terminal adapter Most likely the Impact IQ has compression turned on The compression used by the Impact IQ is incompatible with the compression used by the MTA128ST USB Disconnect the data connection and give the Impact IQ the command AT CO and then establish the data connection again The garbage characters should disappear MTA128ST USB receives garbage characters after receiving several good characters when connected to a 3Com Sonix adapter Most likely the Sonix has compression turned on The compression used by the Sonix is incompatible with the compression used by the MTA128ST USB Disconnect the data
94. ecification IDN Integrated Digital Network The culmination of transmission and switching functions using digital technology in a circuit switched telecommunications network IEC Inter Exchange Carrier A telephone company that is allowed to provide long distance telephone service between LATAs but not within any one LATA Also called XC I mux inverse multiplexer A device that will dial up and combine several lower speed circuits into a virtual broadband circuit It takes any multiple up to an aggregate bandwidth giving users bandwidth on demand for videoconferencing LAN to LAN connections etc In ISDN devices inverse multiplexing is performed by the BONDING protocol in band signaling A technique in which connection control information is sent over the same channel as assigned to the subscriber for end to end communication Two common examples are DTMF line signaling and MF trunk signaling Internet A computer network consisting of many millions of university government and private users around the world Internet address A unique 32 bit address for a specific TCP IP host on a network Normally printed in dotted decimal format e g 129 128 44 227 I O address A location within the I O address space of your computer used by a device such as an expansion card a USB port or an internal modem The address is used for communication between software and a device IP address A unique 32 bit address for a specific
95. ect your Multi Tech System s modem from the list and click Next The Step 1 of 3 Internet account connection information dialog box is displayed Enter the Area code Telephone number and Country region name and code for your Internet Service Provider s access number Click the Advanced tab to access options for selecting your connection type and logon procedures Your ISP should provide this information for your account If you are not sure which connection type to choose try PPP Although many ISPs automatically provide an IP address for your machine and their Domain Name Server DNS each time you connect to them some ISPs do not If your ISP provided IP addresses to you click the Addresses tab In the IP Address section select Always use the following and enter the IP addresses into the appropriate boxes Click OK to return to Step 1 of 3 Internet account connection and click Next gt Note If your machine has a network adapter installed do not enter this address in the address box Enter the IP address provided by your ISP Chapter 3 Software Installation and Configuration f The Step 2 of 3 Internet account logon information dialog box is displayed Enter the user name and password you will use for your Internet account Click Next gt g The Step 3 of 3 Configuring your computer dialog box is displayed In the box provided enter a descriptive name for this connection and click Next gt h You are then asked
96. ections different from LAPB in its framing sequence Transmission is in units called frames and a frame may contain one or more X 25 packets link optimization An ISDN feature that permits only user data to open the communications link and keeps administrative packets from opening the link A cost saving feature that ensures that remote connections are not unnecessarily utilized local loop A transmission path typically twisted pair wire between an individual subscriber and the nearest public telecommunications network switching center Also called the subscriber loop LT loop termination A device similar to an NT1 that terminates the local loop at the carrier s central switching office The LT provides the interface to the ISDN U reference point Contrast ET exchange termination M ML PPP Multilink PPP An open standard for inverse multiplexing allowing two 64 bps ISDN B channels to be multiplexed into one 128 Kbps link modem A communications device that enables a computer to transmit information over a telephone line It converts the computer s digital signals into analog signals to send over a telephone line and converts them back to digital signals at the receiving end Modems can be internal and fit into an expansion slot or external and connect to a USB port 98 Glossary MSN Multiple Subscriber Number Allows a caller to specify an individual terminal adapter when more than one unit is connected to your network
97. ed S52 1 Auto Protocol Detection enabled 53 2048 Maximum X 75 buffer size 2048 is characters amp S1 DSR follows DCD V1 Select verbose messages IZ 9 Enable MLPPP data protocol 93 Glossary Multi Systems Glossary Symbol 2B1Q 2 bits 1 quarternary A line code at layer one for the BRI U interface Two bits of data 2B are mapped into one of four line values 1Q or 1quarternary This coding scheme allows a single copper pair to carry 160 Kbps of information bidirectionally and simultaneously at a distance of up to three miles A ACK acknowledgement code A communications code sent from a receiving modem to a transmitting modem to indicate that it is ready to accept data It is also used to acknowledge the error free receipt of transmitted data Contrast with NAK address A numbered location inside a computer The computer uses addresses to access resources such as video cards USB ports memory etc analog signal A waveform that has amplitude frequency and phase which takes on a range of values between its maximum and minimum points analog transmission A type of telecommunications that uses an analog signal as a carrier of voice data video etc An analog signal becomes a carrier when it is modulated by altering its phase amplitude and or frequency to correspond with the source signal Compare with digital transmission API application program interface A software module created to allow dissimil
98. el it may refer to a collection of hardware components that perform a particular function such as a Universal Serial Bus interface device At an even higher level device may refer to the function performed by an entity attached to the Universal Serial Bus for example a data FAX modem device Devices may be physical electrical addressable and logical When used as a non specific reference a Universal Serial Bus device is either a hub or a function 96 Glossary device address the address of a device on the Universal Serial Bus The Device Address is the Default Address when the Universal Serial Bus device is first powered or reset Hubs and functions are assigned a unique Device Address by Universal Serial Bus software device driver Software that controls how a computer communicates with a device such as a printer or mouse digital data Information represented by descrete values or conditions contrast analog data digital PBX A private branch exchange that operates internally on digital signals See also exchange digital signal A discrete or discontinuous signal e g a sequence of voltage pulses Digital devices such as as a series of electrical pulses that have discrete jumps rather than gradual changes digital transmission A method of electronic information transmission common among computers and other digital devices Because a digital signal may be only high or low at any given time noise and distortion can easily be
99. ess and billing 0 OHCI OpenHCI Open Host Controller Interface Specification for USB All transfers on the USB are initiated by the host system s host controller The host controller is responsible for controlling traffic on the USB and can be appropriately programmed to transfer data to and from USB devices This is typically a PCI device that can be programmed to run a given schedule of transfers on the USB and bus master the results into memory for processing by the host software There are currently two standards for host controllers OpenHCI OHCI or Open Host Controller Interface and UHCI Universal Host Controller Interface Both these standards define register level interfaces of the host controller to PCI bus Bandwidth allocation over the USB is software managed and is done by the programming of the host controller off hook The condition of a device that has accessed a phone line with or without using the line In modem use this is equivalent to a telephone handset being picked up Dialing and transmission are allowed but incoming calls are not answered on demand dialing A cost saving feature of ISDN that sets up transfers and then closes a call only when the ISDN device detects a data packet addressed to the remote network but will not perform setup transfers of just administrative non user data packets out of band signaling A system that uses a separate communications channel or frequency outside the voice band for si
100. for current repair charges e if possible note the name of the technical support specialist with whom you spoke If you need to inquire about the status of the returned product be prepared to provide the serial number of the product sent Send the MTA128ST USB to Multi Tech Systems Inc 2205 Woodale Drive Mounds View Minnesota 55112 ATTN Service or Repairs 85 MultiModem ISDN User Guide Ordering Accessories SupplyNet Inc supplies replacement transformers cables and connectors for select Multi Tech products You can place an order with SupplyNet via mail phone fax or the Internet at Mail SupplyNet Inc 614 Corporate Way Valley Cottage NY 10989 Phone 800 826 0279 Fax 914 267 2420 Email info thesupplynet com Internet http www thesupplynet com 86 Chapter 6 Warranty Service and Tech Support Upgrading the MTA128ST USB with FlashWizard The MTA128ST USB has a flash PROM which contains firmware code for the hardware At various times Multi Tech may add enhancements and or fixes to the firmware The flash technology used in the MTA128ST USB lets you load these upgrades into the PROM through the MTA128ST USB s USB port Using FlashWizard to Upgrade Firmware 1 Download the Flash Wizard utility and the new HEX file from the Multi Tech FTP site or Multi Tech s web site Note You must place the HEX file in the same directory where the Flash Wizard executable is located The utility au
101. g AT Commands to Configure the MTA128ST USB 1 2 6 Connect the MTA128ST USB to the USB port on your PC Turn on the MTA128ST USB Once the drivers are installed Windows 98 95 will automatically detect the presence of the MT128ST USB and activate the associated COM port Start a data communication program and select the COM port where the MTA128ST USB is connected Referring to the Configuration section enter the desired AT commands in the terminal window of the data communications program When you finish making changes use the amp W command to save and automatically load the configuration when the MTA128ST USB is turned on Quit the data communications program For more information on AT commands refer Chapter 4 39 Chapter 4 AT Commands S Registers and Result Codes Multi Systems Chapter 4 AT Commands S Registers and Result Codes Introduction One of the ways you can communicate with and configure your MTA128ST USB is to use AT commands AT commands are so called because with only a few exceptions each command string begins with the characters AT Using AT commands you can read and set parameters and perform actions such as dialing Note For purposes of brevity the MTA128ST USB is referred to as the TA terminal adapter throughout this chapter Entering AT Commands If your MTA128ST USB TA is connected to a computer terminal you can send AT commands to it by entering them on the
102. gnaling Modern systems use a separate channel either TDM or virtual SS7 uses messages for signaling that are carried on signaling links distinct from voice channels ISDN uses messages for signaling that are carried on the D channel distinct from the voice carried on the B channels Frame Relay and ATM use messages that are carried on a separate virtual connection reserved for signaling on hook The condition of a device which has not accessed a phone line In modem use this is equivalent to a telephone handset that has not been picked up In other words it can receive an incoming call P packet data Packet mode calls 99 MultiModemISDN User Guide packet mode The switching of chunks of information for different users using statistical multiplexing to send them over the same transmission facility ISDN packet mode capabilities are based on the ITU TSS Recommendation X 25 procedures parity bit An extra bit attached to each byte of synchronous data used to detect errors in transmission PBX private branch exchange A telephone exchange located on the customer s premises The PBX provides a circuit switching facility for tlephone extension lines within the building and access to the public telephone network See also exchange P channel PCHAN The ISDN physical channel identification contrast logical channel or virtual channel PDN public data network A packet switched network that is available to the public for indi
103. going analog calls through the POTS port are possible even if both B channels are in use If the TA is acting as a host device Call Bumping is available to the host TA only if MP S59 1 was negotiated by both the client and the host Also Call Bumping is not available to the host TA if the Dynamic Bandwidth Allocation scheme is MP S59 1 and MP negotiation fails If MP negotiation was successful meaning both client and host support MP Call Bumping is available to the host TA By default Call Bumping is enabled Note If using the TA as a host for MultiLink PPP calls with the MP Dynamic Bandwidth Allocation scheme S59 1 Data DN MSN 2 must be entered S65 POTS Call Bump Forwarding Delay 5ms n 0 255 0 ms to 1275 ms 20 100 ms delay Allows the forwarding delay time to be adjusted Some central office switches are not able to accept another call immediately after tearing down a call meaning the TA is able to tear down a call and initiate another call much faster than the central office If the central office switch is too slow thena Call Bump due to an incoming or outgoing analog call will not be recognized and the analog device will not ring if incoming or will not give a dial tone if outgoing A delay of 100 ms is the default which should allow enough time for the central office switch to prepare for new calls S66 Country Selections for POTS Ring Signal Decimal ASCII code n 0 27 0 Default 1 Custom single
104. hput Trademark of the BONDING Consortium BONDING mode 1 An industry standard ISDN B channel aggregation protocol that was developed by the Bandwidth On Demand Interoperability Group This mode supports user data rates that are multiples of the bearer rate It provides the full available bandwidth but no in band monitoring Mode 1 is common to all implementations of BONDING Modes 0 2 and 3 are optional BONDING Consortium A group that develops specifications for common control and synchronization for management of high speed data over the public network BONDING Specification 1 0 The Version 1 0 BONDING specification August 1992 defines four modes of inverse multiplexing interoperability It allows devices from various manufacturers to subdivide a wideband signal into 64 Kbps or 56 Kbps channels and then pass the individual channels over a switched digital network recombining them into a single high speed signal at the receiving device 95 MultiModemISDN User Guide BONDING Specification 1 1 The Version 1 1 BONDING specification September 1993 incorporates changes to the 1 0 specification resulting from interworking tests among various vendors and comments from the TIA standardization process No changes were made to the BONDING algorithm or procedures bps bits per second The unit of speed at which data bits can be transmitted or received Bps differs from baud when more than one bit is represented by a single cycle of th
105. ic number type and numbering plan select an option from the Type of Number section above and add its value to the value of an option in the Numbering Plan section above For example a National ISDN Called Party Number IE would be 57 33 where 32 National 1 ISDN telephony 33 National ISDN By default S57 1 28 which means no Called Party Number IE is sent 63 MultiModemISDN User Guide 64 S register Function Unit Range Default Description S register Function Unit Range Default Description S58 Client side Authentication Protocol Negotiation Decimal ASCII code n 1 PAP n 2 PAP between TA and PC CHAP MD5 between TA and server n 3 ANY authentication protocol 1 PAP Sets the client side authentication protocol to be negotiated during the Link Control Protocol LCP phase of PPP MLPPP negotiation Does not determine which authentication protocol is negotiated if the TAis used on the server side S58 1 allows only PAP to be negotiated S58 2 allows PAP between the TA and PC and CHAP MD5 between the TA and server S58 3 allows any authentication protocol If the server does not allow PAP set S58 2 to try CHAP MD5 with the server If the server doesn t allow CHAP MD5 or the PC doesn t allow PAP set S58 3 to allow any authentication protocol that the server requests MultiLink connections are possible if the authentication protocol is PAP 858 1 or 5823 CHAP MD5 858 2 or 58 3 MS CHAP 858 3
106. ill match that of MB S76 If a V 110 call is received and S77 1 then the incoming V 110 network rate must match MB S76 or the connection will fail If S77 2 and a V 110 call is originated then the network rate will match that of MB S76 If S77 2 and a V 110 call is received then the setting of MB S76 will have no effect on the network rate of that call see S77 fora description for this case The value of MB will change if S76 is changed and the value of S76 will change if MB is changed The MTA128ST USB is manufactured in two builds To determine the build of your terminal adapter TA issue the ATI2 command in a terminal window If the TA responds to the command with MTA128ST USB then it supports V 110 If your TA resonds to the ATI2 command with MTA128ST USB RC V 110 support is not available Command En Function Escape Sequence Options Values n 0 5 Default E1 and E4 Description By default the TA responds only to the escape method However you can use the E command to set the TA to respond only to the lt break gt method to respond to either the or the lt break gt method or to ignore both methods and not escape E0 Modem won t escape E1 escape method E2 lt break gt escape method E3 Both and lt break gt escape methods E4 Disable OK response to E5 Enable OK response to E1 E5 Enable method and OK response to E3 E5 Enable or lt break gt
107. is the most widely accepted DBA scheme This is why the TA falls back to the PPP scheme if MP is not supported thus allowing DBA to be available at all times for the client TA The second data directory number must be set if using the TA as a host with MP enabled as the DBA scheme The TA uses the second data directory number to send to the client as the call back number to have the client dial to set up the second data channel call back number is sent as a part of MP protocol Due to the ability to send the client a call back number it is then possible to allow the host to perform DBA as well Since the PPP DBA scheme cannot instruct the client to call back we cannot allow the PPP DBA S register Function Unit Range Default Description Chapter 4 AT Commands S Registers and Result Codes scheme to drop a channel due to analog calls Note Using the DBA scheme on the host side requires that you specify a Data Directory Number or MSN Refer to your TA Owner s Manual for information on how to specify a Data Directory Number or MSN S60 Bandwidth on Demand BOD High Threshold Sampling Period Seconds n 0 BOD completely disabled n 1 1 255 10 10 seconds Sets the Bandwidth on Demand High Threshold Sampling Period Refer to Bandwidth on Demand description and how the High Threshold Sampling Period S60 and High Throughput Threshold S61 are used to determine when a second channel should be added With Dynamic B
108. its user interface is closed Similar to a daemon in UNIX environments twisted pair wiring A type of cabling with one or more pairs of insulated wires wrapped around each other An inexpensive wiring method used for LAN and telephone applications also called UTP wiring Type A The upstream USB Type A connector A Type A Connector is for those devices on which the external cable is permanently attached Connectors for USB come in two designs the A and B types Upstream connections computer hub input etc are made using the A type connector downstream connections peripherals hub outputs are made using the B type connector The USB spec defines two types of connectors to protect the bus from illegal topologies e g connecting one downstream port back to another etc and to prevent end user confusion This allows end users to easily attach the correct connectors to peripherals and ports Type A Plug and receptacle are to be used for those devices on which the external cable is permanently attached to devices such as Keyboard mouse and hubs Series B Plug and receptacle are to be used for those devices that require an external detachable cable such as printers scanners and modems Type B The uplink USB Type B connector A Type B Connector is for detachable external cables Allows for double ended cable assemblies Connectors for USB come in two designs the A and B types Upstream connections computer hub input etc are m
109. k Connection Wizard dialog box is displayed You are prompted for a name to use for this connection Enter a meaningful name in the box provided then click Finish If you select Dial up to the Internet the Welcome to the Internet Connection Wizard is displayed as shown below Internet Connection Wizard x Welcome to the Internet Connection Wizard The Internet Connection wizard helps you connect your computer to the Internet You can use this wizard to set up a new or existing Internet account wantto sign up for a new Internet account My telephone line is connected to my modem C wantto transfer my existing Internet account to this computer My telephone line is connected to my modem C l wantto set up my Internet connection manually or wantto connect through a local area network LAN To leave your Intemet settings unchanged click Cancel To learn more about the Internet click Tutorial Tutorial Select the appropriate option for the type of connection you are making to the Internet and click Next gt In this example want to set up my Internet connection manually or want to connect through a local area network LAN was selected The Setting up your Internet connection dialog box is displayed Select connect through a phone line and modem Click Next gt If you have only one modem installed proceed to the next step If you have more than one modem installed on your computer sel
110. keyboard If the TA is connected to a computer you can send AT commands to it by typing them in the terminal window of a data communications program such as HyperTerminal You can also send some AT commands indirectly by configuring your data communications program To enter AT commands use the following format AT command string cr The characters AT cause the TA to interpret the following string as a command The command string consists of one or more commands The carriage return character cr sends the command string to the TA If you are entering a command string in your communication program s terminal window insert the carriage return character by pressing the ENTER key on your keyboard If configuring a communications program you typically must insert the carriage return character by adding M to the end of the command string The TA has three modes of operation off line command mode the default state on line command mode and data mode The TA responds to AT commands only when it is in one of the command modes After the TA establishes a connection and goes on line in data mode it interprets any further characters you enter as data rather than as commands and transmits them to the remote device When the TA is in data mode you can switch it to on line command mode by sending it an escape sequence The TA responds to two types of escape sequences in band where the escape sequence is part of the data stream The in ban
111. lays Update Device Driver Wizard Select Display a list of all the drivers in a specific location and then click Next gt 9 The Upgrade Device Driver Wizard dialog box displays Update Device Driver Wizard MTA1285T USB Auto Protocol Callback 5 4 2000 MTA128ST USB ML PPP 5 4 2000 MTA1285T USB ML PPP with DBA 5 4 2000 MTA1285T USB PPP async 5 4 2000 MTA1285T USB V 110 async 5 4 2000 B V 120 asunc 5 4 2000 SR X 7 asunr T S 4 2NNNI Select the appropriate descriptor e g MTA128ST USB V 120 async and click Next gt 10 The Update Driver Warning screen displays Click Yes to continue the installation 26 Chapter 3 Software Installation and Configuration 11 The Update Device Driver Wizard dialog box displays indicating that it is ready to install the selected driver Update Device Driver Wizard Windows driver file search for the device MTA128ST USB V 120 async Windows is now ready to install the selected driver for this device Click Back to select a different driver or click Next to continue Location of driver c CNwWINDOWSNNFSOTHERSMULTIT 75 INF Cancel Click Next gt to begin installation 12 Once installtion is completed the Update Device Driver Wizard dialog box displays indicating Windows has finished installing the drivers Update Device Driver Wizard B MTA1285T USB V 120 async Windows has finished installing the driver
112. le and store it using the amp W command so that it loads automatically when the MTA128ST USB is turned on or reset These profiles are stored in permanent memory and are not user configurable as such amp FO Profile O Modem like operation default amp F1 Profile 1 V 110 async operation amp F2 Profile 2 V 120 async operation amp F3 Profile 3 X 75 async operation amp F4 Profile 4 ML PPP async operation Note The amp F1 command will return an error when used with build MT128ST USB RC Quick Setup Example The following procedure assumes that you want to load modify and store Quick Setup Factory Profile 2 as your default configuration 1 Select the profile closest to the requirements of your application in this case Quick Setup Factory Profile 2 2 Interminal mode type AT amp F2 and press ENTER Quick Setup Profile 2 loads into the MTA128ST USB s active memory 3 Enter any additional AT commands that you need to customize the selected profile to your application see Chapter 4 AT Commands S Registers and Result Codes 4 Type AT amp WO and press ENTER to save your customized port configuration 5 Your customized profile now loads automatically whenever the MTA128ST USB is turned on or reset Profile 0 amp F0 Modem Like Asynchronous Operation AT COMMAND DESCRIPTION amp C1 DCD functions normally DO Disable persistent DTR dialing amp D1 Hang up when DTR drops E1 Enable comman
113. lity to customize the settings of the terminal adapter such as configuring Multiple Subscriber Numbers MSNs Configure the unit to match your ISDN service and the remote terminal adapter TA with any of three methods listed below ISDN MTA128ST USB Configuration Utility This configuration utility is recommended for computers running Windows 2000 98 95 operating systems Because it is a software based utility you can use it to create and store as many configurations as you want Windows 2000 98 95 Dial Up Networking Dial Up Networking DUN allows systems using Windows 2000 98 95 to easily configure a modem connection to another computer or network system AT Commands If you prefer using AT commands or want to fine tune the operation of your unit configure your unit by using AT commands and S registers much as you would configure an analog modem Enter these commands in your data communication program s terminal mode AT commands are described in detail in your on line User Guide Whatever method you use to configure your MTA128ST USB complete the following Network Configuration planning sheets before beginning the configuration process Refer to the planning sheets during the configuration procedure Network Configuration Network Switch Type Select the network switch type your ISDN service provider uses at its local central office You can set the MTA128ST USB to NET3 DSS1 VN4 INS64 U S NI 1 AT amp T 5ESS or DMS
114. long as your product remains in service Before calling Technical Support please complete the Recording Modem Information section below Also check your cables to ensure they are connected properly To contact our Technical Support group use one of the following contact options keeping in mind that phone calls are handled with first priority Contacting Technical Support Using email By phone U S amp Canada tsupport multitech com 800 972 2439 or 763 785 3500 France support multitech fr 33 1 64 61 09 81 Germany technical de multitech com 49 89028 0 China support multi tech com cn 86 10 68748015 India support multitechindia com 91 124 340778 U K amp Europe support multitech co uk 44 118 959 7774 Multi Tech has an excellent staff of technical support personnel available to help you get the most out of your Multi Tech product If you have any questions about the operation of this unit call Technical Support at 763 717 5863 Service If your tech support specialist decides service is required send the MTA128ST USB freight prepaid to our factory Return shipping charges are paid by Multi Tech Systems within North America Include the following with your MTA128ST USB e adescription of the problem return billing and return shipping addresses contact name and phone number e check or purchase order number for payment if the MTA128ST USB is out of warranty Check with your technical support specialist
115. method and OK response to Data Call Commands Use these commands to make or configure data calls Command A Function Answer Call Values none Default none Description Forces TA to answer an incoming call To make the TA autoanswer set register SO to a value higher than 0 Command D Function Dial Values none Default none Description The D command causes the TA to dial a number e g ATD785 3500 lt cr gt Command Function Values Default Description Command Function Values Default Description Command Function Values Default Description Command Function Values Default Description Command Function Values Default Description Chapter 4 AT Commands S Registers and Result Codes DSn Dialing a Stored Telephone Number n 0 9 n 0 To dial a stored telephone number type amp DSn in terminal mode where n is the location of the number you want to dial For example type ATDS3 lt cr gt dials a telephone stored in memory register 3 location Hn Hang Up 0 n 0 Forces TA to go off hook to take control of the telephone line or to go on hook hang up Since the TA goes off hook automatically when it dials the H command is normally used only to hang up To hang up first escape to command mode AT lt cr gt then type ATH or ATHO lt cr gt You also can include the hang up command in the escape sequence ATH lt cr gt H Go on hook hang up
116. n exclamation mark Chapter 4 AT Commands S Registers and Result Codes Note In Windows 2000 and Windows 98 95 if the Use Country Code and Area Code box is checked in the Properties window for dial up connection the bundling modifier i e amp or is removed from the dialing string when the user attempts to make a connection The solution is to not check the Use Country Code and Area Code box or to simply add the bundling dial modifier to the phone number at the time of connection Canceling a Call To cancel a call before the TA makes a connection press any key Storing a Telephone Number To store a telephone number type amp Zn x in terminal mode where nis the number of the memory register in which the number is to be stored and x is the dial command string that you want to store For example type AT amp Z9 763 785 3500 cr to store the number 763 785 3500 in memory register 9 Dialing a Stored Telephone Number To dial a stored telephone number type DSnin terminal mode where nis the location of the number you wish to dial For example type ATDS3 cr dials a telephone stored in memory register 3 location Displaying a Stored Number To display a stored telephone number type amp Zn in terminal mode where nis the memory register in which the number is stored For example type AT amp Z5 cr to display the telephone number in memory register 5 To list all ten telephone numbers stored in memor
117. na 79 lale ic m T 51 RITSO S Eu EE 51 FONDAN aa nee 76 H Hanging opa calais 74 l InItAlIZAtlOM StINGSiccicsascsavtecehcccavegapceceteaaumngeess 78 Installation driver software Windows 2000 sassari anaetaka 17 WINDOWS 95 viet EN 28 WINDOWS Bar nn ete 22 ISDN configuration utility using 32 ISDN MING a cci pert rap iE 77 ISDN MTA128ST USB Config utility 29 32 L D iIndicalofs nana nains 9 76 IPOIKRDPS EE nn nat 14 Beater Channel 3 24 14 Bearer Channel 2 14 Data Protocol sn e Ps 15 Ofi plete decre EE 14 Receive Data sedet nee 14 Terminal READY oiii oi ettet 14 Transmit BEI 14 LING Connection sis moine 13 Line feed character seesssuss 57 M Making a call Canceling a call passeata unes 73 Channel bundling flag dialing 72 Dialingisss area 72 Dialing a stored number 73 Displaying a stored number 73 Storing a telephone number 73 Manual organization nto 7 Maximum frame size X 75 62 Messages RESPONS ai DP 71 Microphone amplification 47 NMIE PPPDIOIOGO i ucccisus oes epson dep ER se 31 90 CANNES AE T EE 72 Modes of operations detection 72 MSN multiple subscriber number 30 46 MTA128ST USB Accessories ordering 86 ASSeImllImg es nine unes 12 AT CoMMAN
118. nc operation The MTAI28ST USB is manufactured in two builds To determine the build of your terminal adapter TA issue the ATI2 command in a terminal window If the TA responds to the command with MTA128ST USB then it supports V 110 If your TA resonds to the ATI2 command with MTA128ST USB RC V 110 support is not available The MTA128ST USB RC will respond to the amp F 1 command with an ERROR Command amp Jn Function Automatic Channel Bundling Values n 0ori Default n a Description amp J1 causes the TA to dial the number given in the dial string again to set up a bundled PPP connection also known as MultiLink PPP Only works with the PPP ML PPP protocol Zz9 amp JO will not dial the given number again and it will not interfere with the given dial string meaning that if there are two numbers in the dial string like ATD5551000 amp 5553000 the TA will dial both of those numbers amp JO does not disable the dialing of a second number if a second number is given in the dial string n 0 disables automatic channel bundling n 1 enables automatic channel bundling Command amp Rn Function CTS Control Values n 0 1 or2 Default amp R1 CTS forced high Description Allows you control the state of the CTS Clear to Send signal on the RS232E V 24 interface Normally the CTS signal follows the state of the RTS signal when the MTA128ST USB is online amp RO CTS acts normally i e it follows RTS amp R1 CTS is for
119. nd channel when it is added unless Call Bumping is enabled and an analog call bumps the data call on the second channel Setting S62 to a value other than 0 causes the TA to take an average of throughput A short sampling period causes the TA to respond to a decrease in the throughput sooner than a long sampling period By default average throughput is determined over 10 seconds of time 65 MultiModemISDN User Guide 66 S register Function Unit Range Default Description S register Function Unit Range Default Description S register Function Unit Range Default Description S register Function Unit Range S63 Bandwidth on Demand Low Throughput Threshold Kbps n 0 64 Kbps 26 26 Kbps Sets BOD Low Throughput Threshold which determines whether second channel should be disconnected due to low throughput Refer to the BOD description and how the Low Throughput Threshold S63 and Low Threshold Sampling Period S62 determine when second channel should be disconnected By default the average throughput during the Low Threshold Sampling Period S62 must be equal to or less than 26 Kbps S64 Call Bumping CB Decimal ASCII code n 0 Disable n 1 Enable 1 Enable Enables the Call Bumping feature of Dynamic Bandwidth Allocation With Call Bumping disabled incoming and outgoing calls are not possible if both B channels are already in use With Call Bumping enabled incoming and out
120. ng is counted after which time the value reverts to zero S2 Escape Character Decimal ASCII code 0 127 43 Specifies the character used by the TA to escape from data mode and return to command mode S3 Carriage Return Character Decimal ASCII code 0 127 13 M Specifies the character used by the TA to indicate the end of a command line S4 Line Feed Character Decimal ASCII code 0 127 10 J Specifies the character used by the TA to indicate the end of a status message 57 MultiModemISDN User Guide 58 S Register Function Unit Range Default Description S Register Function Unit Range Default Description S Register Function Unit Range Default Description S Register Function Unit Range Default Description S Register Function Unit Range Default Description S5 Backspace Character Decimal ASCII code 0 32 127 8 H Specifies the character used by the TA to delete the previous character in the command line S7 Wait for Connection Abort Timer 1 second 0 255 45 Sets the Abort Timer delay time which is the length of time the TA waits for a connection after dialing If no connection is established during the specified time the TA ends the call S8 Pause Time for Comma 1 second n 0 255 2 2 seconds S8 sets the length of the pause caused by a comma inserted in a dialing command The default setting is 2 seconds
121. ng the modem 12 AT commands Jer 29 44 jg 44 Jr PS 45 E C 46 UN m S 46 IRROERRS RS 47 Pic ad miens pie 47 PA E eat conus ee ees 47 n1 MN M minou 53 p OE res ageneee 44 v c a a E EN 54 iom een Sea 50 58 ipm 50 57 cT 51 SR D a Dr ne 42 51 52 90 Vie 52 Won ERE 52 A E 52 53 90 EM 53 amp ZI e ie EIE Ron rere 73 uf ER 73 CCR A 44 pre ET 45 46 EE ee ane 47 Mp AT EO S enisinia 43 54 72 break AT GE iieri narii iai 43 54 ues a ETT 55 A sities A acento eines 54 73 Deere creer EE 54 72 M E 48 ENTER Key tetto aana aana 43 sje AS 41 E N E TE 55 74 EE 55 Implementing 43 EE 73 Bl 48 gc 48 Lack of response to sssssssss 76 on EE 55 72 cesis eee men een direi i den 48 SIS casio isset adsit LD 49 c EE 49 Misses AE ciM E AEE E MED DERI ace 49 71 P P Red 49 xl CAI Lua IE Sm Eis 49 AT commands configure the TA 29 39 Auto protocol detection 61 62 Autoanswer 54 57 73 79 B B channel Dr Olsen Mdr 9 Backspace character 1nd 58 BBS bulletin board system 87 Break sigrial s tide t pert ce ete aren 43 C Cables ISON oso up 78 USB Serlal uieicr drea Rien 77 Cabling OVOIVIBW sitet Dto tbe ied Pec devi bene ia d 12 To analog equipment
122. ng up when DTR drops E1 Enable command mode echo amp E4 Enable hardware flow control amp E6 Discard XON XOFF characters amp E13 Enable pacing X0 Disable Sending Multiple Xoff Characters amp JO Disable Automatic Channel Bundling E1 Enable escape method E4 No OK response to or lt break gt escape amp R1 CTS always high S0 1 Answer after 1 ring S2 43 Set escape character to ASCII 43 S3 13 Set carriage return character to CR ASCII 13 S4 10 Set line feed character to LF ASCII 10 S5 8 Set backspace character to BS ASCII 8 7 45 Wait 45 seconds for connection before aborting 10 20 Set DCD drop time to 700 ms S25 5 Set DTR detect time to 500 ms S32 20 Set escape sequence guard time to 2 seconds 34 2 Set maximum escape sequence character length S50 1 Caller Line ID enabled 52 1 Auto Protocol Detection enabled 91 MultiModemISDN User Guide 92 53 2048 amp S1 V1 IZ 6 Maximum X 75 buffer size is 2048 characters DSR follows DCD Select verbose messages Enable V 110 data protocol Profile 2 amp F2 V 120 Asynchronous Operation ATCOMMAND DESCRIPTION amp C1 D0 amp D1 E1 amp E4 amp E6 amp E13 X0 amp JO E1 E4 amp R1 S0 1 S2 43 S3 13 S4 10 S5 8 S7 45 S10 20 S25 5 S32 20 S34 2 S50 1 S52 1 53 2048 amp S1 V1 1Z 5 DCD functions normally Disable persistent DTR dialing Hang up when DTR drops Enable command mode echo Enable hardware flow control
123. nki edd aca ua bd pgs adde Rae naa ta 83 Technical Supposing EE 85 Gontacting Teehinical SUDIDOL SA AIR ataia RS EEE acne EOT neue 85 SENC Eed enna PE M 85 Ordering ACCESSES 2 entrer nr erain aeann aaas riaa eiaa da 86 Upgrading the MTA128ST USB with FlashWizard eesssssssesssssssssse entente enne enini 87 Using FlashWizardto Upgrade Firmware near entr Re ev rena sdavegedehtiaanae 87 Appendixes Appendix A Regulatory GomipllaliCe ancor t Iran e eto tsi pea dent ex sagas e aisi uk en paises UD P iceracdeeseaanes S NE ada 89 Class IB Statement sr RM 89 FGO Pant E 89 TAS YS ADAG A miressa 89 EMC Safety and Terminal Directive Compliance 89 Appendix BContiguration Profiles sacre aa bac mee ME aa rus Pero aE 90 Quick Setup Factory PronleS oireann N N comer ren 90 Quick Setup Example nsc gadis esere nd aaan araa aa anaga da cab a aaa 90 Eee e 94 no e M E 104 Chapter 1 Introduction and Description Multi Systems MultiModemISDN User Guide Introduction Welcome to the world of data communications You have acquired one of the finest ISDN terminal adapters TA available today from one of America s oldest and most respected modem manufacturers Multi Tech Systems Inc This user guide will help you install configure test and use your terminal adapter Product Description The MTA128ST USB is
124. no additional information 51 POTS Port Dial Tone Suppression Decimal ASCII code n 0 1 0 S51 only affects NET3 switch type and voice modem fax calls attempted on the POTS port Some NET3 switches have a hot dial tone dial tone that sounds very loud If the dial tone is too loud the TA cannot recognize any or most of the DTMF digits This is a similar to trying to communicate with another person in a very loud train station your voice is drowned out by the noise of other people and the trains By setting 851 21 the TA keeps the receive gain of the POTS port low until a DTMF digit is received After a DTMF digit is received the gain is set back to whatever RXG was set to before the phone modem or fax went off hook IRXG6 by default RXG does not need to be adjusted 52 Auto Protocol Detection Decimal ASCII code 0 1 or 2 1 Detect Enables or disables the ability to identify the reception of V 110 V 120 X 75 or PPP data calls The TAdetermines the type of call by checking for protocol information in the SETUP message or by matching protocol information received on the B channel once connected if no protocol information is available in the SETUP message Once the protocol is determined the TA will switch its data protocol to match Upon disconnect the TA will revert its data protocol selection back to the protocol that was selected before the call was received when S52 1 Detect If S52 2 Detect and Select
125. nterchangeable Connecting to Analog Equipment You can connect an analog device such as an analog telephone modem or fax machine to the unit Simply plug a modular RJ 11 telephone cord into the RJ 11 AUX connector Note The AUX jack and the ISDN jack on the unit are not interchangeable 13 MultiModem ISDN User Guide LED Indicators 14 The ten LED indicators on the front panel see Figure 2 4 of the MTA128ST USB report status and line activity USB ISDN Modem with Analog Port Figure 2 4 Front Panel Transmit Data Flashes when data is being transmitted on for a space off for a mark Receive Data Flashes when data is being received on for a space off for a mark Power Lights when the unit is turned on Bearer Channel 1 B1 When lit indicates active data or voice connection on bearer channel 1 Bearer Channel 2 B2 When lit indicates active data or voice connection on bearer channel 2 Terminal Ready Lights to indicate that the computer is communicating with the MTA128ST USB so the MTA128ST USB can answer an incoming call Off Hook Lights when analog equipment on AUX port is active or off hook 6 666 60606 128 Kbps Lights to indicate that the B channels have been multiplexed into a single 128 Kbps communications link Chapter 2 Hardware Installation Data Protocol Lights in combination with P2 and 128 LEDs to indicate which data protocol V 110 build MTA128
126. o redial n 1 255 30 30 minutes Sets the maximum redial timeout value for attempts to add a second channel toa MLPPP data call Once the maximum timeout is reached there are no further attempts to redial Re dialing occurs if a call attempt fails due to the host being busy or not answering The first redial timeout period is 1 minute If re dialing fails after 1 minute the next redial timeout is 3 minutes If re dialing fails after 3 minutes the next redial timeout is 5 minutes If re dialing fails after 5 minutes subsequent redial timeouts occur every 5 minutes up to the maximum redial timeout value S31 32 Escape Sequence Timeout 100 ms 0 255 20 Sets the time allowed in an escape sequence from the receipt of the A in AT to the receipt of the carriage return If the S32 time interval expires before you press ENTER the escape sequence ends The default time is 2 seconds S34 Maximum Escape Sequence Length Decimal ASCII code 0 10 2 Sets the maximum character length of the escape sequence not including AT For example a character length of S34 2 allows two characters after AT e g ATHO Conversely an invalid escape sequence too many characters placed in the command string passes through as data e g atili2 The maximum length of the escape sequence is 10 characters 59 MultiModemISDN User Guide 60 S Register Function Unit Range Default Description S register Function Unit
127. o tete sat Putas aa ape ben tienne Gonnecting 10 POWER nest tte tenons roue io ee csr utu os be LE PNE lnc ee eee Connecting to Your ISDN Network Terminator ii Gonnecting to Analog EquipImelit sus iris cmt a iranien partent dat e b Rasen DRE larges LED IMAC IO Sisena oa T TTE LE LS e Chapter 3 Software Installation and Configuration oduc Oos T Installingan Windows 2000 uniseta E EE teenie Changing the Modem Descriptor Windows 2000 sssssssssssseseeeeeee rennen Instelling in Windows 98 P secwnebsncenetenens cemeneuuunedenebennunueata Hemuurieans E A taneeenaseene Changing the Modem Descriptor Windows 98 sssssssssssseeeseeeenen nnne nnne Installing im Windows 95 odor sn ced rese to Luleses eec ode Fade seen p ase pNe br R OP EREDVE PN Oda REDE EL Lud GRE UNE Removing Your Old Device from Windows 2000 and Windows 98 95 ssssssssseeee IC ONMOMMATIOIN ER RETE a DIE NEO KR COBFIGUEGUO EE LE nus net ar Ea A esse Ni nan ra tee er iireresireerelale Ue ilel m IE t nee nn ete eee ISDN MTA128S 1 USB Configuration Wty zasaini ate na darent rud pr eec pce E rg uade Windows 2000 Dial Up Networking entorno er oriens e rtc EE meti Deve ane ess tes Windows 98 95 Dial Up Networking sisi ueren ie c Using AT Commands to Configure the MTA128ST USB eene nnns Chapter 4 AT Commands S Registers and Result Codes gaei aa y E A E T E A E E A T E EmenngAT Command Sisane EE Al Commands DY FUNC
128. ode amp D2 If DTR goes low when TA is on line the TA hangs up returns to command mode and disables autoanswer If TA is offline it neither answers nor dials while DTR is low amp D3 When DTR goes low TA resets the data port and disables autoanswer If DTR goes low when TA is online TA hangs up resets active configuration to the stored configuration and disables autoanswer Note If the user wants to accept calls while DTR is low the TA must be configured to ignore DTR To do this enter AT amp DO lt cr gt With this configuration the TA is able to accept calls while DTR is low If this configuration setting is not made the TA rejects incoming calls until DTR is high while the calls comes in Command Function Values Default Description Command Function Values Default Description Chapter 4 AT Commands S Registers and Result Codes amp D4 Ignores DTR when answering a data call If DTR is low when an incoming data call is present the TA will answer the call If DTR goes high during that call nothing will happen However if DTR goes high and then drops for the minimum time specified by S25 then the call will be disconnected just as it would with amp D1 amp D4 is the same as amp D1 except that amp D4 can answer a data call without DTR and DTR can remain low for the duration of the call but if DTR goes high then amp D4 will behave like amp D1 amp En Flow Control n 3 7 12 13 amp E4
129. odes Xn Connect Messages n 0 1 2 3 4 0r5 X2 Enable all messages and X4 Disable printing CLI with CONNECT message Use X to select which result code messages the TA sends to the computer X0 Enables messages OK CONNECT RING NO CARRIER and ERROR terse result codes 0 4 X1 Enables all messages except BUSY terse result codes 0 5 10 14 17 19 28 and 32 If a call is placed to a busy line the message NO CARRIER displays X2 Enable all messages terse result codes 0 5 7 10 14 17 19 28 and 32 X3 Enables all messages EXCEPT it does NOT print protocol messages For example for a V 120 connection X2 prints CONNECT 64000 V 120 For a V 120 connection X3 prints only the connect message and speed CONNECT 64000 X4 Disables printing Calling Line Identification CLI at the end of the CONNECT message line Does not affect X0 X1 or X2 X5 Enables printing Calling Line Identification CLI at the end of the CONNECT message line Does not affect X0 X1 or X2 Zn Reset to Stored Profile none none Resets TA to its current power up profile and clears the command buffer The 49 MultiModemISDN User Guide 50 Command Function Values Default Description Command Function Values Default Description result is the same as turning the modem off and on When you enter ATZ the state of the amp W command determines where the default values originate The amp WO defaults come from the
130. on hook signals In band signaling techniques include pulse and tone dialing With common channel signaling information is carried out of band In ISDN signaling includes the call establishment call progress monitoring call termination and enhanced telephone features provided typically by the D Channel See also SS7 out of band signaling and in band signaling SPID service profile identifier In North America the ISDN network parameter for logical terminal identification and tracking provided by the ISDN provider The voice SPID and data SPID identify a particular set of service or feature parameters They are assigned by the ISDN service provider in the form of a string of up to 20 characters at subscription time The SPID actually points to a specific location in central office memory where the relevant information is stored SS7 Signaling System 7 An ITU T and ANSI standard for digital out of band signalling between central offices that provides much of the network switching intelligence to support many ISDN functions stop bit One of the variables used for timing in asynch ronous data transmission Depending on the devices each character may be trailed by 1 1 5 or 2 stop bits subscriber loop The pair of wires that connect the end user to the telephone network These wires provide ISDN service but also require an NT1 at the enduser location as well as the LT at the network end See also ocal loop supplementary services S
131. on the unit by turning on a power strip If the power supply is plugged into a power strip make sure the power strip is plugged in and its power switch is on Make sure the power supply module is firmly connected to the MTA128ST USB and to the wall outlet or power strip If the power strip is on and the MTA128ST USB is switched on try moving the unit s power supply to another outlet on the power strip Test that the outlet is live by plugging another electrical device into it The MTA128ST USB or power supply may be defective If you have another Multi Tech MTA128ST USB try swapping units If the problem goes away the first unit or power supply may be defective Call Tech Support for assistance Caution Do not under any circumstances replace the power supply module with one designed for another product as it may damage the MTA128ST USB and void your warranty The MTA128ST USB does not respond to commands Make sure the MTA128ST USB is plugged in and turned on See None of the LEDs Light When the MTA128ST USB Is On Try resetting your MTA128ST USB by turning it off and on Make sure you are issuing the MTA128ST USB commands from the data communications software either automatically or manually in terminal mode You cannot send commands to Chapter 5 Troubleshooting the MTA128ST USB from the DOS prompt e Make sure you are in terminal mode in your data communications program Then type AT and press ENTER If y
132. ond Active Duration Second Idle Duration MultiLink Endpoint Discriminator Type 75 S76 S77 S80 Chapter 4 AT Commands S Registers and Result Codes Maximum V 110 Buffer Size V 110 Network rate V 110 Network Rate Control Persistent DTR Dialing Delay Note V 110 is supported in build MTA128ST USB only S Register Function Unit Range Default Description S Register Function Unit Range Default Description S Register Function Unit Range Default Description S Register Function Unit Range Default Description S Register Function Unit Range Default Description S0 Number of Rings Until Answer 1 ring 0 255 1 Sets the number of rings the TA waits for before it answers and begins its connect sequence S020 turns off the ability to automatically answer a call S0 1 causes the TA to automatically answer after 1 ring If the SO value is set too high the calling device may time out before the TA answers the call For autoanswer S0 must have a nonzero value DTR must be high amp D command and the TA must be offline 1 Ring Count 1 ring 0 255 0 Counts the number of rings that have occurred up to a maximum of 255 It is a read only register and is seldom used in typical operation If you set S1 to a value other than its default value of zero or if the value is increasing with rings this new value remains stored in S1 for eight seconds after the last ri
133. onfigured correctly and you still don t get an OK the fault may be in the USB cable Make sure it is firmly connected at both ends e Is this the first time you have used the cable If so check the cable description on the packaging to make sure the cable is correct for your computer e Peripheral expansion cards such as bus mouse and sound cards may include a USB port preconfigured as COM1 or COM2 The extra USB port or the card itself may use the same COM port memory address or interrupt request IRQ as your communications port Be sure to disable any unused ports If you use Windows 98 95 right click on My Computer select Properties from the menu click on the Device Manager tab double click on Ports then double click on the Communications Port your MTA128ST USB is connected to In the port s Properties sheet click on the Resources tab to see the port s Input Output range and Interrupt Request If another device is using the same address range or IRQ it will appear in the Conflicting Device List Uncheck Use Automatic Settings to change the port s settings so they do not conflict with the other device or select the port the conflicting device is on and change it instead If you need to open your computer to change switches or jumpers on the conflicting device refer to the device s documentation e The USB port may be defective If you have another USB port install the MTA128ST USB on it change the COM port setting in your softw
134. or from a computer running a communications program in terminal mode This section describes how to use AT commands for basic operations such as calling answering acall and hanging up Modes of Operation The MTA128ST USB has three modes of operation They are Offline Command Mode The MTA128ST USB communicates with the terminal or computer and responds to AT commands There is no data communications link with a remote device e Data Mode The MTA128ST USB enters data mode when it makes a successful data communications link with a remote device In data mode the TA can send and receive data but it does not respond to AT commands Instead it treats them as data and transmits them to the remote device e Online Command Mode The MTA128ST USB responds to AT commands while maintaining a data communications link however transmission of data is suspended To enter online command mode from data mode type the escape sequence AT lt crs gt To return to data mode from online command mode type ATO lt cr gt Making a Call 72 Before you can place a data call configure the MTA128ST USB for the local switch type serial port speed and the data type of the ISDN device you want to call See Chapter 3 Software Installation and Configuration Dialing To dial a number using AT commands you must first start a data communications program In the program s terminal mode type ATDxxxxxxx lt cr gt where xxxxxxx is the telephone number y
135. or single or dual cadence Examples of a dual cadence include Ireland 866 213 United Kingdom 1 866 25 and United Kingdom 2 S66 26 S68 First Active Duration 1ms 5 9995 2000 ms 67 MultiModemISDN User Guide 68 Description S register Function Unit Range Default Description S register Function Unit Range Default Description S register Function Unit Range Default Description S Register Function Unit Range Default Description Sets the duration of the first active period of the ring signal Any value given to this S register is rounded down to the nearest 5 ms For example S68 1234 sets S68 to 1230 ms 1 23 seconds S69 First Idle Duration 1ms 5 9995 4000 ms Sets the duration of the first idle period of the ring signal Any value given to this S register is rounded down to the nearest 5 ms For example S69 231 sets S69 to 230 ms 0 23 seconds S70 Second Active Duration 1 ms 5 9995 400 ms Sets the duration of the second active period of the ring signal Any value given to this S register is rounded down to the nearest 5 ms For example S70 453 sets S70 to 450 ms 0 45 seconds S71 Second Idle Duration 1 ms 5 9995 2000 ms Sets the duration of the second idle period of the ring signal usually the longest duration of a dual cadence ring signal Any value given to this S register is rounded down to the nearest 5 ms For example S71
136. ou finish configuring the MTA128ST USB exit the configuration utility Chapter 3 Software Installation and Configuration Windows 2000 Dial Up Networking The following instructions describe all Dial Up Networking connection options under Windows 2000 as well as guide you through setting up a Dial up Networking connection to an Internet Service Provider ISP Note If you are connecting to the Internet make sure TCP IP is installed on your computer and that you ve set up an access account with an Internet Service Provider 1 To setup a Dial Up Networking connection within Windows 2000 select Start Settings Network and Dial up Connections 2 Inthe Network and Dial up Connections dialog box double click the Make New Connection icon The Network Connection Wizard dialog box is displayed indicating the Wizard will help in creating a connection to other computers and networks enabling applications such as e mail web browsing file sharing and printing Network Connection Wizard Welcome to the Network Connection Wizard Using this wizard you can create a connection to other computers and networks enabling applications such as e mail Web browsing file sharing and printing To continue click Next 7i Cancel Click Next gt 3 The Network Connection Type dialog box is displayed offering several connection options Select the option which best describes the type of connection you are creating with this
137. ou get an OK response your connections are good and the problem may be in your phonebook entry or session settings e Ifyou don t get an OK the problem may still be in the communications software Make sure you have done whatever is necessary in your software to make a port connection Not all communications programs connect automatically to the COM port Some connect when the software loads and remain connected until the program ends Others like MultiExpress Terminal can disconnect without ending the program make sure the Connect icon is plugged in MultiExpress Terminal also allows multiple terminals to be open but only one can access the MTA128ST USB at a time If MultiExpress Terminal reports that it cannot make a connection yet the MTA128ST USB s TR indicator is on click on the Window menu to see if more than one terminal is open The MTA128ST USB s TR indicator shows that the software has made a connection with the unit through the COM port e Your communications software settings may not match the physical port the MTA128ST USB is connected to The USB cable may be plugged into the wrong connector check your computer documentation to make sure Or you may have selected a COM port in your software other than the one the MTA128ST USB is physically connected to compare the settings in your software to the physical connection e Ifthe MTA128ST USB is on the cable is plugged into the correct port the communications software is c
138. ou want to dial and cr is the carriage return character that is sent when you press the ENTER key e g ATD7853500 lt cr gt The dial string can contain up to 80 characters To place an ML PPP call use an ampersand character amp to join two telephone numbers e g ATD7853500 amp 7853502 lt cr gt The telephone numbers can be the same or different Using this method two B channels are activated to transmit data at an aggregate speed of 128 Kbps To make it easier to read the dial string you can use hyphens spaces or parentheses These characters are ignored by the MTA128ST USB For example the MTA128ST USB would read the following dial strings the same way ATD17637853500 cr ATD 1 763 785 3500 cr ATD 1 763 785 3500 cr Channel Bundling Flag Dialing The command AT amp Jn is used to indicate whether outgoing calls should be made on two B channels by default The command AT amp J1 amp WO0 lt cr gt configures the TA to place a call dialing on two B channels by default If no second number is given in the dial string that single number is dialed twice This compensates for the interworking issues with Windows 95 On the other hand if the user explicitly indicates two numbers in the dial string then two numbers are dialed e g ATD7853500 amp 7853502 lt cr gt The command AT amp JO amp WO cr disables automatic call bundling Note other valid characters joining two telephone numbers include a plus sign and a
139. phone company equipment D DCE data communications equipment Any device that serves as the port of entry from the user equipment to a telecommunications facility A modem is a DCE for the telephone network PSTN that is commonly on site at the user s premises Packet Switched Networks have another level of DCE that is most often located at a central office D channel A non ransparent digital ISDN channel that operates at 16 K or 64 Kbps used for call control signalling along with one or more B channels The D demand channel signal can control call setup call teardown and invocation of Supplementary Services Is also used for telemetry and for low speed low priority packet switched data Contrast with B channel default A preset value or option in software packages or in hardware configuration that is used unless you specify otherwise default address an address defined by the Universal Serial Bus Specification and used by a Universal Serial Bus device when it is first powered or reset The default address is OOh default pipe the message pipe created by Universal Serial Bus system software to pass control and status information between the host and a Universal Serial Bus device s Endpoint 0 device a logical or physical entity that performs a function The actual entity described depends on the context of the reference At the lowest level device may refer to a single hardware component as in a memory device At a higher lev
140. program constitutes agreement to be bound by the terms and conditions of this Software License Agreement Your right to use the software terminates automatically if you violate any part of this software license agreement MULTI TECH SOFTWARE LICENSE AGREEMENT Multi Tech Systems Inc MTS agrees to grant and Customer agrees to accept on the following terms and conditions a non transferable and non exclusive license to use the software program s delivered with this Agreement 1 GRANT OF LICENSE MTS grants Customer the right to use one copy of the software ona single computer the Licensed System You may not network the software or otherwise use it on more than one computer or computer terminal at the same time 2 COPYRIGHT The software is owned by MTS and is protected by United States copyright laws and international treaty provisions Therefore Customer must treat the software like any copyrighted material Customer may install the software to a single hard disk and keep the 83 MultiModem ISDN User Guide 84 original for backup or archival purposes Customer shall NOT copy or translate into any language in whole or in part any documentation which is provided by MTS in printed form under this Agreement OTHER RESTRICTIONS The software may not be assigned sublicensed translated or otherwise transferred by Customer without prior written consent from MTS Customer may not reverse engineer decompile or disassemble the software
141. ransmitted The range of usable frequencies that a transmission medium will pass without unacceptable attenuation or distortion Bandwidth is a factor in determining the amount of information and the speed at which a medium can transmit data or other information basic access A term that describes a simple standardized combination of access channels that constitute the access arrangements for most ISDN users B channel bearer channel A 64 Kbps ISDN channel used for digital high speed data or voice transmission Simultaneous voice and data transmission requires subscription to two B channels A voice call can be placed or received while a data call is in process or vice versa however two simultaneous voice or two simultaneous data calls are not supported bearer capability BC The level of functionality provided by the ISDN B channel e g data 3 1 KHz audio etc bearer services A set of ISDN functions provided by the B channel such as digital telephony toll free inbound outbound calls 64 Kbps circuit switched data X 25 packet switched data and frame relay data bit A bit binary digit is a basic unit of information used in computing and other digital electronics It can take a value of either 1 or 0 represented in a computer by a high or low electrical charge BONDING Bandwidth on Demand Interoperability Group An inverse multiplexing method that combines multiple ISDN channels into a single channel for enhanced throug
142. s OpenHCl OHCI or Open Host Controller Interface and UHCI Universal Host Controller Interface Both these standards define register level interfaces of the host controller to PCI bus Bandwidth allocation over the USB is software managed and is done by the programming of the host controller Universal Serial Bus A collection of Universal Serial Bus devices and the software and hardware that allow them to connect the capabilities provided by functions to the host Universal Serial Bus Device Includes hubs and functions See device Universal Serial Bus Driver The host resident software entity responsible for providing common services to clients that are manipulating one or more functions on one or more Host Controllers Universal Serial Bus Interface The hardware interface between the Universal Serial Bus cable and a Universal Serial Bus device This includes the protocol engine required for all Universal Serial Bus devices to be able to receive and send packets Unshielded Twisted Pair UTP Telephone type wiring Tansmission media for 10Base T Upstream The direction of data flow towards the host An upstream port is the port on a device electrically closest to the host that generates upstream data traffic from the hub Upstream ports receive downstream data traffic USB See Universal Serial Bus USBD See Universal Serial Bus Driver USB Performance categories Low Speed Interactive Devices at 10 100 Kb s Medium Speed Phone A
143. suitable driver for my device recommended option is selected and click Next 17 MultiModemISDN User Guide 6 The Locate Driver Files dialog box displays Found New Hardware Wizard Locate Driver Files Se Where do you want Windows to search for driver files ey Search for driver files for the following hardware device e MTA 1285T LISB ISDN Terminal Adapter The wizard searches for suitable drivers in its driver database on your computer and in any of the following optional search locations that you specify To start the search click Next If you are searching on a floppy disk or CD ROM drive insert the floppy disk or CD before clicking Next Optional search locations CD ROM drives Specify a location Microsoft Windows Update lt Back Cancel Verify that the Floppy disk drives option is selected and click Next gt 7 Ifthe Digital Signature Not Found dialog box displays Digital Signature Not Found xj The Microsoft digital signature affirms that software has been tested with Windows and that the software has not been altered since it was tested The software you are about to install does not contain a Microsoft digital signature Therefore there is no guarantee that this software works correctly with Windows MTA128ST USB CDC ML PPP If you want to search for Microsoft digitally signed software visit the Windows Update Web site at http windowsupdate microsoft
144. switch types SPID numbers have been set up properly SPID INCORRECT or SPID CORRECT Command Qn Function Enable Disable Result Codes Values n 0 1 or2 Default QO Enable result codes Description Controls whether the TA sends result codes to the computer Use V to select result code format Qo Enable result codes Q1 Disable result codes quiet mode for applications such as computer controlled auto dialing Command Function Values Default Description Command Function Values Default Description Command Function Values Default Description Command Function Values Default Description Command Function Values Default Description Chapter 4 AT Commands S Registers and Result Codes Sr n Set Register Value r S register number n varies None Use Srzn to set value of an S register where r is the number of the S register and n is the value you want to set See S Registers in this chapter for more information Sr Read Register Value r S register number None Use Sr to read the value of an S register where r is the number of the S register See S Registers in this chapter for further information Vn Terse Verbose Result Codes n 0ori V1 Verbose Use V to control whether the TA s result codes display as digits terse or as words verbose Use Q to enable or disable the display of result codes vo Enable terse result codes V1 Enable verbose result c
145. the party responsible for compliance could void the user s authority to operate the equipment Industry Canada This Class B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil numerique de la classe B respecte toutes les exigences du Reglement sur le materiel brouilleur du Canada EMC Safety and Terminal Directive Compliance CE The CE markis affixed to this product to confirm compliance with the following European Community Directives Council Directive 89 336 EEC of 3 May 1989 on the approximation of the laws of Member States relating to electromagnetic compatibility and Council Directive 73 23 EEC of 19 February 1973 on the harmonization of the laws of Member States relating to electrical equipment designed for use within certain voltage limits and Council Directive 98 13 EC of 12 March 1998 on the approximation of the laws of the Member States concerning telecommunications terminal and satellite earth station equipment 89 MultiVOIP 200 User Guide Appendix B Configuration Profiles Quick Setup Factory Profiles 90 For quick setup the MTA128ST USB includes six Quick Setup Factory Profiles each of which is configured for a specific type of port operation You can load a Quick Setup Factory Profile into active memory by using the command amp Fn in which nis the number of the profile you wish to load If you wish you can then customize the profi
146. tiLink Endpoint Discriminator option and its types 75 Maximum V 110 Buffer Size 1 byte n 0 256 bytes n 64 255 0 256 bytes S75 allows the maximum V 110 buffer size to be customized An adjustable packet size can provide higher compatibility with devices that cannot handle a large delay Reducing the V 110 buffer size reduces delay The MTAI28ST USB is manufactured in two builds To determine the build of your terminal adapter TA issue the ATI2 command in a terminal window If the TA responds to the command with MTA128ST USB then it supports V 110 If your TA resonds to the ATI2 command with MTA128ST USB RC V 110 support is not available S register Function Unit Range Default Description S76 V 110 Network Rate decimal ASCII code n 1 600 bps n 2 1200 bps n 3 2400 bps n 4 4800 bps n 5 9600 bps n 6 19200 bps n 7 38400 bps 7 38400 bps If S77 1 then the network rate of the V 110 connection will match that of S76 MB If a V 110 call is received and S77 1 then the incoming V 110 network rate must match S76 MB or the connection will fail If S7722 and a V 110 call is originated then the network rate will match that of S76 MB If 7722 and a V 110 call is received then the setting of S76 MB will have no effect on the network rate of that call see S77 for a description for this case The value of S76 will change if MB is changed and the
147. tions and provides an overview of the manual s organization Chapter 2 Hardware Installation Describes how to connect the MTA128ST USB to the computer to power to the ISDN BRI line and to an optional analog device It also describes the functions of the front panel LED indicators Chapter 3 Software Installation and Configuration Describes how to install the driver software and how to configure and operate the MTA128ST USB using the Windows 2000 98 95 software configuration utility Chapter 4 AT Commands S Registers and Result Codes Describes how to use AT command s S registers and result codes to control the MTA128ST USB through popular communications programs Chapter 5 Troubleshooting Provides tips and advice for troubleshooting your MTA128ST USB if you think it isn t working correctly Chapter 6 Warranty Service and Technical Support Provides terms of your warranty describes how to upgrade your unit using the FlashWizard utility and describes how to get technical support via telephone and the Internet Appendix A Regulatory Compliance EMC Safety and Terminal Directive Compliance Appendix B Configuration Profiles Describes how to use the Quick Setup Factory Profiles stored inthe MTA128ST USB s firmware and lists contents of each profile MultiModemISDN User Guide Features The MTA128ST USB communicates over public ISDN telephone lines Features include Compatibility with EurolSDN ETSI DSS1
148. tomatically senses the devices on the ports of your PC and finds the Hex file which is compatible with the MTAI28ST USB If no Hex files are found in the directory where Flash Wizard program is located the utility exits with an error Launch the Flash Wizard utility e g double click on the FlashWiz exe file from Explorer enter the file name at the DOS prompt etc The Firmware Update Wizard dialog box is displayed indicating that it is identifying devices this may take up to 20 seconds Once devices have been identified the Firmware Update Wizard dialog box indicating that devices have been identified displays Firmware Update Wizard Devices have been identified Devices Select the device type to flash MTA128ST USB 1 1513334 8 Click Next to continue i Cancel Select the device s you want to flash and then click Next gt The Firmware Update Wizard dialog box displays asking you to select the ports and hex file to update Once you have made the appropriate selections click Next gt The Firmware Update Wizard dialog box displays indicating that your devices are being upgraded Once finished click Next gt The Firmware Update Wizard dialog box is displayed indicating the results of the update e g 8 of 8 devices were updated successfully Click Finish The Update Hardware Wizard completes the update process and disappears from your screen 87 Appendixes Multi
149. trademarks of American Telephone and Telegraph Microsoft Windows Windows 2000 Windows 98 and Windows 95 are registered trademarks of Microsoft Corporation NETCOM is a registered trademark of NETCOM On Line Communication Services Inc Netscape and Navigator are trademarks of Netscape Communications Corp DMS 100 is a trademark of Northern Telecom All other trademarks are owned by their respective companies Multi Tech Systems Inc 2205 Woodale Drive Mounds View MN 55112 U S A 763 785 3500 or 800 328 9717 Fax 763 785 9874 Technical Support 800 972 2439 Internet Address http www multitech com Contents Chapter 1 Introduction and Description MOGUC IO e repe redeo E Universal SeraliBusqU SB nement RE c HUS deen SEP Gee Manual ONganZ2 ane EP E SEE CE SR tna naguodvnec ea wenuulned one saeatnaws sa Gesinied E Technical SDeclfICatlOliS 32 55 teereerrert en hide desde does den rere erryrer repre Esso a ocu terrier er per ner Chapter 2 Hardware Installation En LEE LS ET CUO M e Unpacking Your MTAT28S TE USB 35885 nd iiecoenaver bea st den HD citant eee ttes mette Safety Warning Telecom ISDN S EE AssemblingttieMIAT2SST USB niii erubuit ido cobi mu reti di ecd did trees Ete eine Connecting the MIA1Z8S1 USB to Your Systemi cii diee ctos tia dcc Ride te sarai tend ta ia a Gonn cting to Your COMPUTER 2 coct
150. ty EurolSDN ETSI DSS1 NET3 VN4 INS64 U S NI 1 AT amp T 5ESS B Channel Protocols Voice Coding LED Indicators Data Connections DMS 100 V 110 V 120 X 75 ML PPP PCM A Law Europe u Law US 10 front panel LED indicators Transmit Data Receive Data Call Status B1 Active B2 Active Terminal Ready Off Hook AUX port 128 Kbps P1 Active data protocol P2 Active data protocol Two ISDN B channels One ISDN D channel One analog port for connecting a standard telephone modem or fax machine Command Interface AT commands S registers result codes Windows 2000 98 95 configuration utility and Windows 2000 98 95 Dial Up Networking DUN Connectors USB Type B connector ISDN RJ 45 female receptacle 4 wire S T accepts connection cable to the network provider s NT1 device AUX RJ 11 female receptacle Switches Two position power switch Power Requirements Two prong outlet mounted transformer included 240 VAC 50 60 Hz Dimensions 15 0 cm x 10 7 cm x 2 8 cm L x W x D Environmental Temperature range 0 50 C Humidity range 20 90 noncondensing Power Consumption 4 watts Weight 224 g 8 oz Warranty 5 years The MTAI28ST USB is manufactured in two builds To determine the build of your terminal adapter TA issue the ATI2 command in a terminal window If the TA responds to the command with MTA128ST USB then it supports V 110 If your TA resonds to the ATI2 command with MTA128ST USB RC V 110 support is
151. udio Compressed Video at 500Kb s 10Mbp s High Speed Video Disk at 25 500 Mb s UTP unshielded twisted pair Telephone type wiring V V 110 One of the terminal rate adaptation protocols for the ISDN B channel V 110 is more hardware intensive than the V 120 B channel standard 102 Glossary V 120 One of the terminal rate adaptation protocols for the ISDN B channel V 120 is more software intensive than the V 110 B channel standard Videotex A two way information retrieval service that can be accessed by terminals and by a TV set with installed decoder Allows interactive retrieval of information pages from a central resource See also ISDN virtual circuit A logical connection Used in packet switching wherin a logical connection is established between two devices at the start of transmission All information packets follow the same route and arrive in sequence but do not necessarily carry a complete address X X 25 ITU T s definition of a three level packet switching protocol to be used between packet mode DTEs and network DCEs X 25 corresponds with layer 3 of the 7 layer OSI model X 75 An ITU T standard for linking X 25 packet switched networks X 75 defines the connection between public networks i e for a gateway between X 25 networks 103 Index Multi Systems Index A ADOM UMET icit etc eite kus 58 Answ ring acall sessions 54 Automalically 1 5 denis 73 QUERER nn ns 73 Assembli
152. vidual subscriber use Typically controlled by a government or a national monopoly Plug and Play PnP A technology for configuring I O devices to use non conflicting resources in a host Resources managed by Plug and Play include I O address ranges memory address ranges IRQs and DMA channels port A location for input or output data exchange Computers muxes etc have ports for various purposes PPP Point to Point Protocol A protocol that lets a computer user access a TCP IP address using an ISDN terminal adapter or a high speed modem over a standard telephone line PRI Primary Rate Interface One of two forms of ISDN service PRI provides 23 64 Kbps B channels for video voice or data and one 64 Kbps D channel for control information Usually used to connect high cpacity CPE such as PBXs to the network Also called 23B D in the U S and 30B D in Europe See also ISDN and BRI primitive An abstract representation of interaction accross the access points indicating that information is being passed between the service user and the service provider The OSI Reference Model defines four types of primitives Request Indication Response and Confirm PSTN public switched telephone network The group of circuit switching voice carriers which are commonly used as analog data communications services A worldwide public voice telephone network that is used as a telecommunications medium for the transmission of voice data and
153. with appropriately S54 Force 56 Kbps B Channel Data Rate Decimal ASCII code n 56 Kbps or 64 Kbps 64 Kbps S54 can be used to force a 56 Kbps B channel data rate in order to make 56 Kbps data calls S55 POTS Port Call Control Decimal ASCII code 1 2 17 18 1 Allows you to set the type of information transfer capability for calls placed from the POTS port either by a telephone modem or fax Some Central Office CO switches keep track of the type of line each customer has and if that line is labeled as a data line modem or fax it will not accept a speech call originated on that line However 3 1 kHz audio information transfer capability is allowed on data lines modem or fax by most switches S55 also lets you define whether a progress indicator information element which indicates that the origination address of the POTS call is non ISDN is sent with the SETUP message for the POTS port call This may help POTS port calls get through certain CO switches S1 Speech no progress indicator S2 3 1 kHz Audio no progress indicator S17 Speech origination address is non ISDN S18 3 1 kHz Audio origination address is non ISDN S56 applies to NET3 C0 2 switch type only Calling Party Number IE Settings decimal ASCII code 128 Disable Type of Number 0 Unknown 16 International 32 National 48 Network specific Default Description S register Function Unit Range Default Description Chapter
154. y type ATL cr Answering a Call You can answer incoming calls to the TA either manually or automatically When the TA detects an incoming call it sends a RING result code to the computer or terminal after each ring If autoanswer is enabled the TA automatically answers the call You can manually answer the call with the A command Both methods are described below Answering Manually If your communication program is in terminal mode when the RING result code appears on your monitor you can manually answer the call by typing ATA cr Answering Automatically To cause the TA to automatically answer a call 1 Enable autoanswer by setting register S0 to the ring on which you want the TA to answer e g in terminal mode type S0 4 to make the TA answer on the fourth ring You also can use either of the configuration utilities to the turn on autoanswer and set the number of rings 2 Make sure that the TA is offline The TA answers the call after the number of rings specified by SO To disable autoanswer use a configuration utility or the command S0 0 Note If the user wants to accept calls while DTR is low the TA must be configured to ignore DTR To do this enter AT amp DO lt cr gt With this configuration the TA can accept calls while DTR is low If this configuration setting is not made the TA rejects incoming calls until DTR is high while calls comes in 73 MultiModemISDN User Guide Hanging Up To hang up a
155. y an RPOA to its customer in order to satisfy a specific telecommunications requirement See also SDN RPOA and bearer service telematics User oriented ISDN information transfer services e g teletex videotex facsimile Teleservices A telecommunications service that provides the complete capability for communication between subscribers according to protocols agreed to by RPOAs A set of ISDN features using communications links including E Mail and fax services Teletext A telecommunications service that provides a one way information retrieval service that uses unused portions of a TV channel bandwidth A fixed number of text pages are repetitively broadcast for decoding by a decoder at the TV set that can select and display pages See also SDN 101 MultiModemISDN User Guide terminal The screen and keyboard device used in a mainframe environment for interactive data entry Terminals have no box which is to say they have no file storage or processing capabilities terminal adapter TA An ISDN DTE device for connecting a non ISDN terminal device to the ISDN network Similar to a protocol converter or an interface converter a TA connects a non ISDN device between the R and S interfaces tone dialing One of two methods of dialing a telephone usually associated with Touch Tone push button phones Compare with pulse dialing TSR terminate and stay resident A software program that remains active and in memory after
156. y lightning storms water power surges incorrect installation physical abuse or user caused damages are billed on a time plus materials basis Addendum for International Products Distributors should contact Amex Inc for information about the repairs for your Multi Tech product Amex Inc 2724 Summer Street NE Minneapolis MN 55413 U S A Tel 612 331 3251 Fax 612 331 3180 Chapter 6 Warranty Service and Tech Support Please direct your questions regarding technical matters product configuration verification that the product is defective etc to our Technical Support department nearest you When calling the U S please direct your questions regarding repair expediting receiving shipping billing etc to our Repair Accounting department at 763 785 3500 in the U S A or a nearby Multi Tech office which is listed on the Multi Tech Corporate Offices sheet in this International Distributor Resource Kit Repairs for damages caused by lightning storms water power surges incorrect installation physical abuse or user caused damages are billed on a time plus materials basis Out of Warranty Repair Costs Refer to Multi Tech System s web site at http www multitech com for information about out of warranty repair costs On line Warranty Registration To register your Multi Tech product on line click this link http www multitech com register Software User License Agreement IMPORTANT READ BEF
157. you selected for your hardware device Cancel Click Finish 14 The Properties dialog box displays Click Close and then close all remaining screens 27 MultiModemISDN User Guide 28 Installing in Windows 95 Only certain versions of Windows 95 OSR2 1 Revision C offer support for USB peripherals If you are unsure if your Windows 95 system supports USB a free USB evaluation utility is available from the Shopping Bag page at http www usb org shopping_bag html Down load the utility 287K and run the exe application to determine if you have USB support If you would like to install your MTA128ST USB in Windows 95 do the following 1 Power up your Windows 95 system 2 Turn on your MTA128ST USB The LS Power LED will light 3 Plug the D shaped end Type B of your USB cable into the USB connector on the back of the unit See Figure 2 3 4 Windows will detect that the new modem is present and launch the Update Device Driver Wizard Click Next gt to proceed with the installation 5 Windows searches for the driver on AX and when identified will display the driver name for verification Click Finish to install the driver 6 Windows prompts you to insert a diskette Insert it and click OK to continue The Copy Files dialog box is displayed In the Copy files from field type A Win95_98 and click OK 7 When the driver is installed a completion message will appear and the wizard will exit
158. ystems 2k Driver Date Not available Driver Version 1 0 2 1 Digital Signer Not digitally signed To view details about the driver files loaded for this device click Driver Details To uninstall the driver files for this device click Uninstall To update the driver files for this device click Update Driver Uninstal Update Driver Click the Update Driver button 8 The Upgrade Device Driver Wizard dialog box displays Upgrade Device Driver Wizard Welcome to the Upgrade Device PMNS Driver Wizard DS This wizard helps you upgrade a device driver for a hardware device To continue click Next Click Next gt 20 Chapter 3 Software Installation and Configuration 9 The Install Hardware Device Drivers dialog box displays Upgrade Device Driver Wizard Install Hardware Device Drivers device driver is a software program that enables a hardware device to work with an operating system Select Display a list of the known drivers for this device and then click Next gt 10 The Install New Modem dialog box displays Upgrade Device Driver Wizard Install New Modem Please select the modem you want to install MTA128ST USB CDC Auto Protocol Callback MTA128ST USB CDC ML PPP MTA128ST USB CDC ML PPP with DBA USB CDC PPP async 110 Select the appropriate descriptor e g MTA128ST USB CDC V 120 async and click Next gt 11 The Start Device Driver Installation di

AC International MTA128ST-USB Network Card User Manual

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