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ADTRAN ISU 2X64 Two-Way Radio User Manual

1. 1 AT amp T 5ESS DMS 100 ational ISDN1 1 Switch Protocl 2 Call type 1 Speech 2 Audio 3 Data 56Kbps 4 Data 64Kbps Only available on part number 1200051L5 and 1200051L6 121 sec or EON TEST dte 1 _ _ _ 1 Loopback DTE 2 2 sec or EON dte 2 2 Loopback Netw back Pas 3 Terminal ID Set SPID dte 1 lt SPID gt 3 5 sec default opback Proto B 5 gt Set LDN dte 1 lt LDN gt Ldte 2 SPID 4210 sec or EON dte 2 lt LDN gt aT sec or EON sec or EON Wait for 1 No Rem Lpbks E PR I t 2 DDS Accepted ASUS QUI 1 Enabled DC zi 1 Front Panel 3 V54 Accepted 25 ASYNC EN 2 RS 366 E 4 DDS V54 Accept 25 BISYNC E a dte 1 3 AT commands LOVE DON UL 5 Dial options 5 HDLC FLAG dte 2 6 Auto answer dtef N 1 Disabled dte 2 2 Enabled 3 Dump all calls 7 Answer tone dioit Noon Le eto 1zNo answer tone dte 2 2 Incoming tone 3 Outgoing tone A Alway 8 Connect Timout 1 15 sec 4 Always tone 0 sec def minute 1 Netw options 1 Dial Line minute 2 Leased Line 5 4 minute __ 9 Call Screening 1 Clock mode 1 Slave 2 Master SONFIG 10 SBUS Terminati 1 100 ohm On 2 Ghannel rate 00 ohm Off T 3 SBus Terminati 2 DTE options dtei gt synchronous d
2. AE ISU2X64 ENTER 3 2 LE UE I EE 7 cancel 0 GE Figure 1 2 ISU 2x64 Front Panel ISU 2X64 INTEROPERABILITY Telephone networks are evolving from analog technologies to digital technologies such as ISDN This transition is time consum ing and costly for the telephone companies and upgrading all lo cations and facilities is a lengthy process The ISU 2x64 bridges this transition by supporting communica tions with existing and future network services and equipment The ISU 2x64 supports communications with Switched 56 Service and Switched 56 DSUs 2 wire and 4 wire as well as various ISDN terminal adapters ISDN terminal equipment and BOND ING compatible Inverse Multiplexers Figure 1 3 illustrates the ISU 2x64 operation in various switched network services and customer premises products ISU 2X64 SINGLE PORT OPERATION The ADTRAN ISU 2x64 is designed to operate over multipoint ISDN lines in North America that will require two Service Profile Identification SPID numbers from the telephone company when the ISDN lines are installed These SPID numbers tell the ADT RAN ISU 2x64 which port or DTE to route incoming and outgo ing calls See Ordering ISDN Without IOCs on page 125 for further details on ordering multipoint ISDN service 4 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051LI 1D Chapter 1 Understanding ISDN and the ISU 2x64 Figure 1 3 Video Codec ISU 2x64 Interop
3. Command Function AT Command Response Message Options Qo Response messages on Ql Response messages off AT Command Response Message Types VO Response messages codes V1 Response messages words AT Command Connect Message Options X0 Simple connect message X1 7 Connect messages with bit rate Ready To Send RTS Control Line Options _DO 1 mS delay _D1 18 mS delay MakeBusy Options _BO Make DTE port not busy same as S135 0 B1 Make DTE port busy same as 9135 1 Service Profile Identification SPID Access Options _I0 Access SPID 1 for DTE 1 Access SPID 2 for DTE 2 Local Directory Number LDN Access Options _NO Access LDN1 for DTE 1 _N1 Access LDN2 for DTE 2 ISDN Switch Type Options _S0 5ESS _S1 DMS 100 _S2 National ISDN 1 _S3 NEC _S4 Euro ISDN _S5 VN4 92 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix A AT Commands Command Function ISDN Switch Type Options continued _S6 TDX10 _S7 TDX1B _S8 KDD S9 NTT Only available on part numbers 1200051L5 and 1200051L6 ISDN U Interface Operational Mode Options _X0 ISU timing slaves to network NT mode _X1 ISU is U interface timing master LT mode Data Flow Control Options Q0 No flow control NOT Software Q2 CTS only Q3 Hardware Dump Status Buffer IS Sends complete log of all messages stored in the StatusBuffer VT 100 Terminal Menus IV Enables VT 100 compatible menuing system vi
4. ISU 2x64 Channel Rate 64K ISU 2x64 Channel Rate 64K Figure 6 15 Leased Application with Channel Banks Channel Rate In Leased Line operation the channel rate for the ISU 2x64 can be configured for 64 kbps or 128 kbps When the channel rate is set to 64 kbps each DTE port is assigned one of the bearer channels For example if two ISU 2x64 units are configured for leased line service and the channel rate is set to 64 kbps in both units then DTE 1 of the master unit and DTE 1 of the slave unit would be 48 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 6 Configuration connected through one of the bearer channels and could utilize up to 64 kbps of bandwidth Likewise DTE 2 of the master and DTE 2 of the slave would be connected through the other bearer channel and could also utilize up to 64 kbps of bandwidth see Figure 6 15 When the channel rate is set for 128 kbps in both units both bearer channels are assigned to one DTE port This assignment is user configured Select a DTE rate higher than 64 kbps for the DTE port that will run the application requiring greater than 64 kbps bandwidth Select the same DTE port for both Master and Slave 2x64 units Set the unused DTE port s DTE rate to a rate less than 64 kbps to facilitate correct operation between the two ISU 2x64 units For example if an application requiring 128 kbps was run through DTE 1 first configure the channel rat
5. 5 sec or EON def 10 sec or EON 4 V 25 5 Disabled 6 Auto answer 7 Answer tone 8 Connect Timout 9 Call Screening 10 SBus Terminati 6 Wait for EON _ Figure 6 4 Dial Options RS 366 Menu Tree The ISU 2x64 assumes the dial string is fully entered if more than one second elapses since the last digit was keyed or the unit receives the EON command The ISU 2x64 assumes the dial string is fully entered if more than two seconds elapse since the last digit was keyed or the unit receives the EON command The ISU 2x64 assumes the dial string is fully entered if more than five seconds elapse since the last digit was keyed or the unit receives the EON command This is the factory default setting The ISU 2x64 assumes the dial string is fully entered if more than 10 seconds elapse since the last digit was keyed or the unit receives the EON command 6120005 1L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 35 Chapter 6 Configuration 20 sec or EON Wait for EON AT Commands The ISU 2x64 assumes the dial string is fully entered if more than 20 seconds elapse since the last digit was keyed or the unit receives the EON command The ISU 2x64 assumes the dial string is fully entered only if the unit receives the EON command Configuring the ISU 2x64 for AT commands enables inband dial ing over a DTE interface using asynchronous AT commands AT commands can be used to se
6. Lpbk remote 1B Lpbk remote 1B causes the ISU 2x64 to make a call to a remote ISU and place the remote ISU into a 1B channel loopback When the remoted unit is looped back the local unit will send a test pattern 2047 to the remote unit and verify that the test pattern comes back uncorrupted The user is prompted for the number to dial Negotiation progress is displayed while the loopback call is in progress Total bytes and Error bytes are displayed upon connec tion success The Cancel key disconnects the call at any time Lpbk remote 2B Lpbk remote 2B causes the ISU 2x64 to make a call to a remote ISU and place the remote ISU into a 2B channel loopback When the remoted unit is looped back the local unit will send a test pattern 2047 to the remote unit and verify that the test pattern comes back uncorrupted The user is prompted for the number to dial Negotiation progress is displayed while the loopback call is in progress Total bytes and Error bytes are displayed upon connec tion success The Cancel key disconnects the call at any time 61200051LT 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 75 Chapter 9 Security and Remote Configuration 76 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 10 Troubleshooting When the ISU 2x64 powers up it performs an internal self test that takes approximately 10 seconds At the end of the test the front panel momentarily displays Self Test
7. SN9 LOC Stored number 0 string Stored number 1 string Stored number 2 string Stored number 3 string Stored number 4 string Stored number 5 string Stored number 6 string Stored number 7 string Stored number 8 string Stored number 9 string 118 0 CHAP Authentication default 5118 32 PAP Authentication required for MP connection with WIN 95 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 117 Appendix D S Register List 118 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix E Connector Pinouts PIN 13 000000000000 f900000000000 PIN 25 PIN 14 PIN 1 O FEMALE Figure E 1 EIA 232 Interface Table E A EIA 232 Interface Description Shield for cable Transmitted Data Received Data Request to Send Clear To Send Data Set Ready Signal Ground Carrier Detect o Connection o Connection o Connection o Connection o Connection o Connection O Transmit Clock o Connection Receive Clock o Connection o Connection Data Terminal Ready o Connection Ring Indicator o Connection CLE External Transmit Clock 25 da e Ne LNT i o Connection l Input O Output N A Not Applicable 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 119 Appendix E Connector Pinouts PIN 1 Oss 52228855 JO FEMALE PIN 25 PIN 14 Figure E 2 RS 530 Interface Table E B RS 530
8. 1 Netw options 2 DTE options 3 Protocol 4 Quick setup 5 Security 6 Remote Config 3 CONFIG 1 Set Password Password lt gt 2 Lock Keypad Password Required Figure 9 1 Security Menu Tree When the front panel keypad is locked only the top menu is avail able on the LCD display The LCD can be toggled between DTE1 and DTE2 current status displays with the cursor keys Any key other than a cursor key prompts the user for a password If the en tered password matches the stored password the LCD displays a brief message indicating that the front panel is active and the con figuration menus will be displayed as normal After configura tion is complete the users must re enable front panel locking by selecting 2 Lock Keypad in the Security menu If the entered 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 73 Chapter 9 Security and Remote Configuration password does not match the stored password the LCD displays a brief message indicating that the entered password was invalid and the top menu is displayed Set Password Set Password prompts the user to enter a numeric code that will be required for access to configuration menus from the front pan el The code can be up to six digits long The default state is noth ing entered in the password option Lock Keypad Lock Keypad locks the front panel keypad and displays a brief message on the LCD indicating that the front panel is locked The top
9. See Figure 6 16 and 6 17 When using the VT 100 terminal select the option number corre sponding to the appropriate DTE and press Return Ensure the DTE equipment is set for asynchronous operation before at tempting to make an asynchronous call Failure to do so causes the call NOTE attempt to fail 1 Bit Rate 2 Connector Type 3 RTS Options _ 4 CTS Options 5 CD Options 6 DTR Options 7 DSR Options 8 Flow Control 9 Data Format 1 Netw options 2 DTE options 3 Protocol 4 Quick setup 5 Security 1 Asynchronous _3 CONFIG 2 Synchronous Figure 6 16 Asynchronous DTE Options Menu Tree 1 Bit Rate 2 Connector Type 3 RTS Options 4 CTS Options 1 Netw options 2 DTE options 3 Protocol 4 Quick setu 5 Security 6 Remote Confi 1 Asynchronous 2 Synchronous 3 CONFIG 6 DTR Options 7 DSR Options 8 Transmit Clock Figure 6 17 Synchronous DTE Options Menu Tree 50 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 6 Configuration Bit Rate The Bit Rate can be set asynchronously for 300 1200 2400 4800 9600 19200 38400 57600 and 115200 bps The Bit Rate can be set synchronously for 2400 4800 9600 19200 38400 48000 56000 64000 112000 and 128000 bps Connector Type RTS Options CTS Options CD Options The ISU 2x64 can provide either an EIA 232 RS 530 or V 35 inter face to a user DTE by sele
10. CD options 51 cfg rmt unit 75 channel rate 48 clear channel 56 clock mode slave master 47 configuration 27 quick setup 65 configuration screen 22 configuration 27 connect timeout setting 45 connection dial interface 16 DTE data 14 network 13 connector pinouts 119 connector type 51 CTS options 51 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 145 Index current status menu 18 current status messages 95 D data 56kbps 31 data 64kbps 31 data format async 53 data rates DTE 86 network 85 dial 112K sync 67 dial 115 2 asyn 69 dial 128K sync 68 dial 56K sync 66 dial 57 6 asyn 68 dial 64K sync 67 dial interface connection 16 dial line menu tree 27 dial line operation 27 dial line 27 dial menu tree 63 dial number 64 dial options 63 AT commands 36 front panel 34 RS 366 34 setting 34 dial options 73 dial stored 64 dial stored 75 dialing 2 dialing options answer call 75 dial number 75 V 25 bis 39 dialing options screen 63 dialing selections 85 disabled 34 display 87 DSR options 52 DSU 57 6 async 59 DTE data connection 14 DTE indicators 3 18 DTE interface 85 DTE options for async and sync opera tion 50 DTR options 52 EIA 232 interface 119 environmental specifications 87 F factory setup 71 fallback 60 fallback 57 6k 69 FEBE 26 flow control 52 front panel 3 4 dialing options 63 G getting started 19 getting TEI 2 81 H hang up line 6
11. If using the ISU 2x64 part number 1200051L1 or 1200051L3 with the U interface tell them that you have an NT1 and terminal adapter device connected to the line 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 81 Chapter 10 Troubleshooting 7 Ifthe ISU 2x64 continuously reads Register SPID 2 the ISU 2x64 has completely initialized the first phone number but is unable to establish logical layer 3 for the second phone num ber The problem is in one or more of the following places e The ISU 2x64 software setup e The telephone service provider s software setup To isolate the problem perform the following procedure A Ensure the ISDN line is multipoint with two phone numbers Ensure that the ISU 2x64 is set up with the correct SPIDs and LDNs Try swapping SPID1 with SPID2 and LDN1 with LDN2 Determine if the problem is the second phone number or the quantity of phone numbers Try another piece of functioning ISDN equipment on the ISDN line With the ISU 2x64 connected to the ISDN line and pow ered up talk to the service provider s repair group and tell them you have an ISDN basic rate line that appears physically okay but is unable to register its SPID s Ask them to check the line translation ensure that the ISDN line supports dynamic TEI allocation and verify the SPID s If using the ISU 2x64 part number 1200051L1 or 1200051L3 with the U interface tell them that you have an NT1 and terminal
12. If your local distributor cannot help please contact ADTRAN Technical Support and have the unit serial number available Technical Support 888 4ADTRAN Repair and Return If ADTRAN Technical Support determines that a repair is needed Technical Support will coordinate with the Customer and Product Service CAPS department to issue an RMA number For infor mation regarding equipment currently in house or possible fees associated with repair contact CAPS directly at the following number CAPS Department 256 963 8722 Identify the RMA number clearly on the package below address and return to the following address ADTRAN Inc CAPS Department 901 Explorer Boulevard Huntsville Alabama 35806 2807 RMA
13. er synchronized in their communication used to send blocks of information Synchronous data transmission is used in high speed data circuits because there is less overhead than asynchronous transmission of characters which contain two ex tra bits per character to affect timing T1 Also T 1 A digital transmission link with a capacity of 1 544 Mbps T1 uses two pairs of normal twisted wires T1 normally can handle 24 voice conversations with each conversation being digitized at 64 kbps With more advanced digital voice encoding techniques it can handle more voice channels T1 is a standard for digi tal transmission in North America TA Terminal Adapter A DCE that connects to the ISDN S Interface and enables non ISDN terminal equipment to communicate over ISDN TE1 terminal equipment type 1 ISDN compatible terminals TE2 terminal equipment type 2 Non ISDN terminal equipment linked at the EIA 232 RS 449 or V 35 interface transmission The dispatching of a signal message or other form of intelligence by wire radio telegra hy telephony facsimile or other means A series of characters messages or blocks including control information and user data The signalling of data over communications channels transmission level The power of a transmission signal at a point of a transmission facility It may be measure in absolute terms dBm or in a ratio to its level at some reference point dB twisted pair Two wires twis
14. 25 bis ASYNC Menu Tree Although V 25 bis allows asynchronous data format asynchro nous DTE is more likely to support the AT command set than V 25 bis V 25 SYNC HDLC Dialing To set the Dial Options for V 25 HDLC choose 1 V 25 HDLC from the front panel or the VT 100 terminal see Figure 6 8 for the menu tree This setting provides V 25 bis messages in bit syn chronous format for example HDLC SDLC X 25 The bit syn chronous format is the most commonly used by V 25 bis This option specifies that the characters should be 7 bit ASCII with the 8th bit ignored it may be either 0 or 1 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 41 Chapter 6 Configuration Disabled The first byte of each packet contains all ones A FF HEX and the second byte of each packet the C byte is either 13 HEX or 03 HEX if not the final packet V 25 SYNC BISYNC Dialing To set the Dial Options for V 25 BISYNC choose 3 V 25 BISYNC from the front panel or the VT 100 terminal see Figure 6 8 for menu tree This setting allows for V 25 bis messages in byte syn chronous format BISYNC V 25 bis specifies that the characters should be ASCII 7 bits and odd parity This setting allows syn chronous data terminal equipment which does not use HDLC to support serial inband dialing V 25 HDLC FLAG To set the Dial Options for V 25 HDLC FLAG choose 4 V 25 HDLC FLAG from the front panel or the VT 100 terminal see Fig ur
15. 6 19200 7 38400 8 57600 9 115200 2 Connector Type 3 RTS Options ms delay 8 ms delay 4 CTS Options 1 Forced CTS 2 Follows RTS 5 CD Options CD Forced on lormal ff with LOCD ff Link Down 1 Ignore DTR 6 DTR Options md when Off le when Off ff On dial 0 ial 0 if On nswer if On 7 DSR Options SR forced on FF Idle Test FF Link Down 8 Flow Control ardware Flow oftware Flow o Flow Ctrl 9 Data Format Data Bits 1 8 Data bits Data bits 2 Parity Bits 3 Stop Bits Stop bit 5 Stop bits 2 Stop bits Chapter 6 Cofiguration 30 ISU 2x64 Dual Port ISDN Service Unit User Manual Chapter 6 Configuration Setting the Call Type Speech Audio Data 56kbps Data 64kbps Call type is configured for both DTE 1 and DTE 2 When using the front panel select the appropriate DTE with either arrow key and press Enter When using a VT 100 terminal select the option number corresponding to the appropriate DTE and press Return The Call type can be configured four different ways depending on the type of service used Speech Audio Data 56 kbps or Data 64 kbps Speech directs the call control software to request a Mu law or A law speech circuit as the bearer capability for outgoing calls The Speech option is used with an ISDN line configured for voice service In some areas voice service is less expensive
16. Asynchronous rates can only be supported between two ADTRAN ISUs when Rev 0 Bonding Mode 1 is selected Rev 1 Bonding Mode 1 will interoperate with other vendor terminal adapters in asynchronous DTE operation RESP TO STAT ENQ Response to status inquiry Ring 1 2 An incoming call on either the first or second channel entered the Ring state The calling phone number is displayed if available S cmd not or User did not use proper syntax SAP idle timeout Unit at far end is not configured to use the SAP protocol SERVICE NOT AVAIL The requested service is not available SOURCE NOT ISDN The incoming calling party is not ISDN warning only 106 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix C Status Buffer Messages SReg Set Error Local DTE invalid S register setting Sync BPS lt 56K The synchronous bit rate selected is too slow for the BONDING protocol Synch Mismatch Both ends bad synchronization TAINIT expired Bonding timer TAINIT expired TANULL expired Bonding timer TANULL expired non BONDING equipment at tempted to call into the ISU 2x64 while optioned for BONDING TEMPORARY_FAILURE The network has temporarily failed try the call again TIMER_EXPIRY Call control error TLINK ErrorOne Catastrophic TLINK error TXADDO1 expired Bonding timer TXADD01 expired probably making a long dis tance call to a foreign country adjust timer value to correct TXFA1
17. At power up the ISU 2x64 runs a self test as indicated on the dis play After approximately 10 seconds Passed is momentarily dis played if the ISU 2x64 does not pass the self test see If Self Test Fails on page 77 This is followed by the Current Status mode of DTE 1 The Current Status mode DTE 2is shown by pressing either arrow key This is the recommended resting place for the unit since it shows the current operational status of the unit For instance if the ISU 2x64 is not connected to the network the Cur rent Status menu displays ISU 2x64 DTE 1 or 2 Link down If the unit is connected to the network and functioning properly it displays ISU 2x64 DTE 1 or 2 Ready A list of Current Status messages is provided in Current Status Messages on page 95 Pressing the Cancel key repeatedly returns the unit to the Cur rent Status menu While at the Current Status menu pressing any key except the Cancel and keys repeatedly changes the display to the top of the menu tree Pressing the key brings up the Dial submenu While in a menu tree pressing the key causes the unit to return to the Current Status menu 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 19 Chapter 4 Operation The menu tree allows for set up and operation of the ISU 2x64 from the front panel The main branches of the menu tree follow 1 STATUS 2 TEST 3 CONFIG Configuration 4 DIAL Status Buffer Selecting 12S TATUS from the t
18. Figure E 4 RS 366 Interface 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 121 Appendix E Connector Pinouts 23 25 Table E D RS 366 Interface Name 1 0 Description T Se Shield I O Shield for cable sn DPR cce deals Digit Present MENS ACR Abandon Call and Retry Call Request Present Next Digit Power Indication Signal Ground Distant Station Connect Digit LSB Digit bit 2 Digit bit 3 Digit bit MSB Data Line Occupied o Connection o Connection o Connection Input O Output N A Not Applicable PIN1 PIN8 ISDN Figure E 5 RJ 45 Dial Line Connector U Interface Table E E RJ 45 Dial Line Connector U Interface Pin Description 4 Ring 5 Tip 122 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix E Connector Pinouts Table E F RJ 45 Dial Line Connector S T Interface Pin Description 3 TxP 4 RxP 5 RxN 6 TxN Table E G Maintenance Connector OMNOUKWNY B Description CD RD TD DIR SG DSR RTS CTS RING 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 123 Appendix E Connector Pinouts 124 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix F Ordering ISDN Without 10Cs ISDN is a complex service with multiple options Obtaining ser vice from
19. PPP async sync Figure 6 21 Protocol Menu Tree See Recommended Operating Protocols on page 6 for more informa tion on recommended modes of operation The desired protocol may be selected with AT commands at the DTE port or from the ISU 2x64 front panel A description of pro tocols follows 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 55 Chapter 6 Configuration Clear Channel Clear channel provides the entire bearer channel to the DTE with out regard to data format or protocol This provides a rate adap tation at or near the ISDN circuit rate The primary usage for Clear Channel in dial line mode is 56 kbps and 64 kbps synchro nous It is useful when the DTE performs its own internal syn chronous protocol rate adaptation or the ISU 2x64 is calling a 4 wire Switched 56 DSU In the leased line mode clear channel can provide synchronous bit rates of 56 kbps 64 kbps 112 kbps and 128 kbps BONDING mode 1 The BONDING mode 1 protocol allows the ISU 2x64 to commu nicate at bit rates in excess of 64 kbps to a maximum of 128 kbps BONDING provides high speed communication between ISU 2x64s ISDN TE TAs and inverse multiplexing equipment sup porting the BONDING protocol The protocol allows for the use of both synchronous and asynchronous bit rates When the ISU 2x64 uses the BONDING mode 1 protocol it must make two sep arate ISDN phone calls to seize control of both ISDN bearer chan nels The p
20. Pre LEID ee ent 51 Connector Type ini ete OS 51 dissi HM 51 CTS OPHONS issii ikiii an AD UD URE ORI He RAPERE diae 51 CD Options rentre adas eripe Pt na dance ean 51 DTR Options eene ber ege t t rd ret o e e ROT HERE 52 ii ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Table of Contents DSR OptionS eiie A EUER dite 52 Flow Control asynchronous data format ss 52 Data Format asynchronous 58 Transmit Clock synchronous data format 53 AUTOPAUL A ni lt nn rene its tertie tee te tr liens REUS 54 dd Protocol Optiofiss 5 une mea rere ras ieena A SoK EDO IERE nea sos AREE E dee ake i 55 lear Channel 4 eee eee Ene eere re iere i ed kiio Detto 56 BONDING ModE T rere ie ertet eret ai rere ce ice 56 TXINTE 2d nieto ri tete tnt te Ree e IR hat eae etant leeds 57 TXB Asses E E on On n DEDI 57 TXADDOT 5 in ets 57 A qe aae ae ere anta deu Lies 58 TANU EE tte tta toto a te assets torent TAa eie titus 58 Jp 58 ASYNC Rev A tent git ist e oet pereo ue iste ds 58 V 120 a m 58 A e eoe eap pieno s 59 DSU 57 6 ASYN Css ete t etr reete der ote cetero ee 59 JOB p OS 59 ARA E ed re etd ANO 59 FALLBACK d m 60 Point to Point PPP Async to Sync sssss 61 Point to Point Protocol PPP sise 62 Multilink PPP ned tbe rente te eU tens 62 PPP with Compression sus 62 Chapter 7 Dial Option
21. a telephone loop which is used by the device to prevent overloading The termination on a loop may consist of any combination of devices subject only to the requirement that the total of the Load Numbers of all devices does not exceed 100 Table of Contents Chapter 1 Understanding ISDN and the ISU 2x64 serere 1 ISDN IVC Wicca eee eet ee tee ette eme Pas A bec pee edes dev exe A ea nies 1 The ADTRAN ISU 2x64 os tices cocotte rore rente bel dose ehe co ree ce averte e Dee n ce PORE ostia 1 TSU 2x64 Interoperability ss 4 ISU 2x64 Single Port Operation ss 4 Recommended Operating Protocols ss 6 Chapter RO 9 ISDN Ordering Codes actes ee ie minette ilte le aedes 9 Chapter 3 Installation ss 13 Network Connection siii adelaida 13 DTE Data Connection ins a MT OA aa A cale a ee Poe ee UG 14 Maintenance interface dass 15 Dial Interface Connection ccccccccccccescesscscessssesssesscssscsscsssescecsssesssssesssscessesscesssesesuecesesss 16 Chapter Operations oie re tercie pr Does ESE IPIE VN ORTUS UL san se pase SEISIS igne 17 Menu Navigation ss ete entente tete ttn tn tenent innen tenente tn tnnen 17 Front Panel DTE Indicators ss intet tete ebbe nee eet dete cordc Tere ceri fece 18 VT 100 Menu Support sessions 19 Getting Started susto cem optimis he cien bete vente plea io tete aan ete dis 19 Status Buffer on anie nue e emeret tinis erepta eee resorte A 20 Status SC
22. cage IRIS nace 8 Rarity Bits ueneno E e ad none SLOP DUS Te RAR eene elas 1 DTE connector bit rate 115 2 kbps DTE flow control none RES O do naiss ne 1 mS delay CTS AN E E tte pe ee Forced On Dialing Mode sess AT Commands Fallback 57 6k When the ISU 2x64 is configured for FALLBACK 57 6K service the following parameters are automatically set Service tVpe a ottenendo ieu n Ta e ds Dial line Automatic answering ccmcocooonncncncnnnnnnnnnnnnnnnnonannnnnnnononannnnranononos Yes ISDN Perroni ninio 64 kbps data Data protocO Linton nn Fallback DIE Modena actina ett Asynchronous Data bits seco ein ndo ree ree denda ads 8 Parity bits nas a Dern pest tte HO SR A td none OPI cce eileen su ee me e entier t 1 DTE connector rate 57 6 kbps DTE flow control ss Hardware RISING suede tih eet nue e e ahs 1 mS delay CTS line cete inpet teret tee Follows RTS Dialing Mode sss AT Commands 61200051LT 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 69 Chapter 8 Quick Setup Leased 64K When the ISU 2x64 is configured for Leased 64K service the fol lowing parameters are automatically preset Service Peine Leased Line Network clock source eene Slave Channel rates us c eee ee aee e esta es 64K Data Protocol reti ees Clear Channel DDS loopbacks enabled Yes DIE Modena cti eiii Synchronous DTE connector bit rate 64 kbps DTE flow contt l ir rettet eel none RTS liter
23. dial remote ISUS or initiate tests to check both the ISU 2x64 and the network connections All command lines must begin with the AT charac ter set in either capital or lower case letters A command line can 36 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 6 Configuration be terminated at any time by transmitting the CTRL X ASCII 018 after the AT attention code The ISU 2x64 ignores this com mand line and issues an OK response The command line may contain a single command or a series of commands after the AT attention code When a series of com mands are used the individual commands may be separated with spaces for readability The maximum length for a command line is 40 characters Each command line is executed by the ISU 2x64 upon receipt of a ter minating character The default terminating character is a carriage return ASCII 013 but it can be changed by writing a different value to register S3 Before the terminating character is transmitted the command line can be edited by using the backspace character ASCII 008 to erase errors so the proper commands can be entered Examples of using AT commands are as follows Using an AT Command Type AT followed by the letter of the command and numeric value of the setting desired and then press Enter Example ATI1 Returns the software version of the unit Using S Registers The configuration of the ISU 2x64 can be changed and or reviewe
24. may be necessary to shorten this timer if the DTE equipment connected to the ISU also has timer constraints for completing non BONDING parameter negotia tion Values of 1 2 5 10 default 20 50 100 and 200 seconds may be selected TCID This option specifies the length of time both endpoints attempt to negotiate an agreeable value for bearer channels and channel capacities before determining the BONDING call has failed Select from values of 1 2 5 default 10 20 50 100 and 200 sec onds Async Rev This option specifies the negotiation revision for asynchronous BONDING Rev 1 specifies multi vendor compatible negotiation Rev 0 specifies ADTRAN proprietary negotiation This option has no effect on synchronous negotiation The V 120 protocol is a CCITT compliant rate adaptation method providing DTE service between the ISU 2x64 and other V 120 compliant devices at rates less than the 64 kpbs ISDN bearer channel rate V 120 supports both synchronous and asynchro nous DTE rates See Recommended Operating Protocols on page 6 for available V 120 rates Figure 6 21 illustrates the menu path for selecting V 120 58 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 6 Configuration V 110 The V 110 protocol is a CCITT compliant rate adaptation method providing DTE service between the ISU 2x64 Dual Port ISDN Ser vice Unit and other V 110 compliant devices The V 110 protocol supports both syn
25. menu is displayed after the message REMOTE CONFIG Remote Config configuration allows an ISU to be configured or tested over the ISDN line A special call is made that places the an swer unit in remote loopback for configuration or testing The menu options are shown in Figure 9 2 1 Netw options 2 DTE options 3 Protocol 4 Quick setup 5 Security 6 Remote Config 3 CONFIG 1 Number lt gt 1 Cfg Rmt Unit 2 Password lt gt 2 Set Password Password lt gt 3 Lpbk remote 1B Number lt gt 4 Lpbk remote 2B Number gt Figure 9 2 Remote Config Menu Tree 74 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 9 Security and Remote Configuration Cfg Rmt Unit Set Password Cfg Rmt Unit causes the ISU 2x64 to place a call to a remote ISU for configuration The user is prompted for the number to dial and the password for accessing the remote unit After the call is placed the local unit sends the entered password to the remote unit If the password is correct the remote unit confirms the pass word and configuration is allowed If the remote unit has no pass word defined press Enter at the prompt Set Password prompts the user to enter a six digit numeric code that musts be supplied when a remote configuration call is re ceived This password is the same as the password for front panel keypad locking The default state is nothing entered in the pass word option
26. message The Layer 3 information that is passed between the CPE and SPCS for signalling multiplexing The combining of multiple data channels onto a single transmission medium Any pu through which a circuit normally dedicated to a single user can be shared y multiple users Typically user data streams are interleaved on a bit or byte ba sis division or separated by different carrier frequencies frequency divi sion multipoint circuit A circuit consisting of three or more stations connected directly electrically 140 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Glossary NEXT near end crosstalk Unwanted energy transferred from one circuit to an adjoining circuit Occurs at the end of the transmission link where the signal source is located The absorbed energy is usually propagated in the direction opposite to the absorbing channel s normal current flow Caused by high frequency or unbalanced signals and insuf ficient shielding non ISDN line Any connection from a CPE to a SPCS that is not served by D channel signalling non ISDN trunk Any trunk not served by either S57 or D channel signalling NT1 Network Termination 1 A unit that provides physical and electromagnetic termi nation of the U interface 2 wire transmission line converts between Layer 1 for mats used at the U and T reference points and performs some maintenance functions packet mode Refers to switching of packets of informatio
27. problem as described under Link Down Step 3 Try another piece of functioning ISDN equipment on the ISDN line With the ISU 2x64 connected to the ISDN line and pow ered up talk to the service provider s repair group and tell them you have an ISDN basic rate line that appears physically okay but has no terminal endpoint identifier TEI Ask them to check the line translation and ensure that the line supports dynamic TEI allocation If using the ISU 2x64 part number 1200051L1 or 1200051L3 with the U interface tell them that you have an NT1 and ter minal adapter device connected to the line 5 If the ISU 2x64 continuously reads Register SPID 1 the ISU 2x64 is physically connected to the local telephone service provider and has established logical layer 2 The ISU 2x64 is unable to establish layer 3 The problem is in one or both of the following places e The ISU 2x64 software setup e The telephone service provider s software setup To isolate the problem perform the following procedure A Ensure the ISU 2x64 is set up for the correct switch type B Ensure the ISDN line is multipoint C Ensure that the ISU 2x64 is set up with the correct SPIDs and LDNs D Try another piece of functioning ISDN equipment on the ISDN line 80 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051LI 1D Chapter 10 Troubleshooting With the ISU 2x64 connected to the ISDN line and pow ered up talk to the service provider s repair gr
28. problem is encountered during initial configuration of the ISU 2x64 Most problems can be solved without resorting to this port for assistance The ISU 2x64 Maintenance Help Screen can be activated by typ ing at either the DTE 1 or DIE 2 prompt The screen is shown in Figure 3 1 1 Use RT commands without the at prefix 2 Choose from the following Commands IP Selects DTE 2 Prompt IS IB IL Iu 1 dtest2 Selects DTE 1 Prompt Dumps Front Status Buffer Dumps Internal Printf Buffer UT166 Terminal Show Help Figure 3 1 VT 100 Maintenance Help Screen 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 15 Chapter 3 Installation DIAL INTERFACE CONNECTION If out of band RS 366 dialing is required for applications such as videoconferencing or FAX machines the dialing interfaces of the host DTE should be connected to the dial ports marked RS 366 Pin assignments for the RS 366 connector are listed in the appen dix Connector Pinouts 16 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 4 Operation MENU NAVIGATION NOTE Moving through the various menu selections on the ISU 2x64 is a simple task Four function keys on the left hand side of the key pad allow the user to enter exit and scroll through the various menu branches The four function keys are defined below To aid the reader function keys are represented in bold initial caps text Selec
29. require a 230 VAC 50 Hz receptacle for power NETWORK CONNECTION An eight pin RJ 45 modular jack on the rear panel of the ISU 2x64 allows connection to ISDN Basic Rate service provided by the telephone company or to a leased type of service This leased ser vice can be dedicated 2B1Q data service or a nailed up circuit that provides a dedicated connection between end points such as a limited distance modem or LAD circuit If using ISU 2x64 part number 1200051L1 or 1200051L3 connect the telephone company provided ISDN Basic Rate U Interface to the RJ 45 connector marked ISDN IFC An external NT1 is not needed in this configuration 61200051LT 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 13 Chapter 3 Installation If using ISU 2x64 part number 1200051L2 1200051L4 1200051L5 or 1200051L6 connect an ISDN Basic Rate S T interface to the RJ 45 connector marked ISDN IFC The S T interface can be pro vided from an S T line card of an ISDN switch or PBX or from an NT1 network termination unit If using a leased service connect the network interface to the RJ 45 connector marked ISDN IFC See Connector Pinouts on page 119 for network connection pin assignments DTE DATA CONNECTION CAUTION Data terminal equipment DTE is connected to the ISU 2x64 by using the RS 530 EIA 232 interfaces or by using the external RS 530 to V 35 adapters part number 1200072L1 A maximum cable length of 50 feet is recommended f
30. than data service A Speech call type does not guarantee an end to end digital connection with some local and long distance carriers Audio directs the call control software to request a 3 1 KHz audio circuit as the bearer capability for outgoing calls The Audio option is used with an ISDN line configured for voice service In some areas audio service is less expensive than data service Selecting Audio guarantees a digital end to end ISDN connec tion Data 56kbps directs the call control software to request a 64 kbps data circuit that is rate adapted to 56 kbps Data 56 kbps is intended for use in circumstances where interoperability with Switched 56 service is desired The default Call type for ISDN service is Data 64 kbps This directs the call control software to request an unrestricted 64 kbps circuit 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 31 Chapter 6 Configuration Smart Dial Strings In some cases during a dial session it may be desired to change the call type temporarily At the end of a dialed phone number a 1 2 3 or 4 can be used to change the call type A 1 changes it to speech 2 to Audio 3 to 56K and 4 to 64K Setting the Terminal ID Terminal identification is assigned by the local telephone com pany and consists of a SPID and LDN number Setting the SPID NOTE In North America the SPID is a sequence of digits used to identify ISDN terminal equipment to the ISDN sw
31. the 2x64 The Busy Out Port requires the ISDN line to be configured by the telephone com pany to support the Make Busy feature and a feature button number to be assigned for activating and deactivating busy sta tus 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 33 Chapter 6 Configuration Enabled Disabled NOTE Feature buttons are buttons that are normally available on ISDN telephone sets The ISU 2x64 simulates pressing a feature button when the Busy Out Port option is changed When the Busy Out Port option is changed the ISU 2x64 sends a Feature Activation message to the switch using the feature button number stored in S register 23 If S register 23 is not programmed with the correct button number for the Make Busy feature the switch will not change the busy status of the ISU 2x64 The telephone company will need to tell you which feature button number was assigned to the Make Busy feature To turn on the Make Busy feature configure Busy Out Port for Enabled To turn off the Make Busy feature configure Busy Out Port for Disabled Multi point lines must be used for per port operation of the Busy Out Port feature Setting the Dial Options Front Panel RS 366 The ISU 2x64 can be configured to dial using the Front Panel RS 366 port AT Commands or V 25 bis Commands To establish and disconnect calls from the front panel keypad configure Dial options for Front Panel See Front Panel Di
32. to loopback commands from the central office Also ensures proper 1s density in transmitted bit stream and performs bipolar violation correction See DSU D channel The ISDN channel that carrier signalling information to control the call setup tear down or invocation of supplementary services The D channel may also be used to provide packet mode data service DCE data communications equipment The portion of a data terminal that provides the interface to the network 138 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Glossary DDS dataphone digital service AT amp T private line service for transmitting data over a digital system The digital transmission system transmits electrical signals direct ly instead of translating the signals into tone of varied frequencies as with tradi tional analog transmission systems Digital techniques provide more efficient use of transmission facilities resulting in lower error rates and costs than analog sys tems digital Referring to communications procedures techniques and ga beat where infor mation is encoded as either a binary 1 or 0 the representation of information in dis crete binary form discontinuous in time as opposed to the analog representation of information in variable but continuous waveforms DSU data service unit A device providing interface between a data terminal or other data communications device and a digital access line DTE data termina
33. to support data calls Local data calls go through but long distance data calls do not Data calls can be made but BONDED data calls cannot Ensure the far end is working If not already doing so place the call explicitly specifying the prefix of the long distance service for example 10288 for AT amp T If this does not work then most likely the problem is the long distance service provider Another possibility is that the local service provider is not providing long distance access There is most likely a problem in the software setup trans lation at the CO switch or the network setup in the ISU 2x64 Another possibility is that the data circuits provided are not good enough to support the BONDING negotiation process If the line has two phone numbers make sure the second SPID and LDN are entered correctly in SPID2 and LDN2 in the ISU 2x64 Check with the local service provider to ensure that the line supports two data calls The ISU 2x64 status log buffer shows the sequence of events that occurred You need to know which piece of equipment first caused the BONDING process to terminate The status logs from both ends may be necessary to determine this 84 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 11 Specifications Network Interface e RJ 45 for ISDN Basic Rate U Interface part numbers 1200051L1 and 1200051L3 e RJ 45 for ISDN Basic Rate S T Inte
34. 1200 2400 4800 9600 19200 38400 57600 115200f Tlink Async 1200 2400 4800 9600 19200 SAP Async 38400 57600 115200f DIAL 56K BONDING Sync 56000 Clear Chan Sync 48000 56000 PP Sync 2400 4800 9600 19200 38400 56000 v 110 Sync 2400 4800 9600 19200 v 120 Sync 9600 19200 38400 48000 LINK Sync 2400 4800 9600 19200 56000 PP asyncsync Async 1200 2400 4800 9600 19200 38400 57600 115200f BONDING Async 2400 4800 9600 19200 38400 57600 DSU 57 6 Async 57600 v 110 Async 1200 2400 4800 9600 19200 V 120 Async 1200 2400 4800 9600 19200 38400 57600 115200f link Async 1200 2400 4800 9600 19200 DIAL64K 2 BONDING Syne 28000 MPPP Sync 28000 MPPP Async 15200 BONDING Async 15200 DIAL56K 2 BONDING Sync 12000 MPPP Sync 12000 MPPP Async 15200 BONDING Async 15200 LEASED 64K Clear Chan Syne 48000 56000 64000 SAP Syne 2400 4800 9600 19200 38400 DSU 57 6 Async 57600 SAP Async 1200 2400 4800 9600 19200 38400 57600f 115200f LEASED 128K Clear Chan Sync 128000 SAP Async 57600f 115200f 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 7 Chapter 1 Understanding ISDN and the ISU 2x64 1 All asynchronous rates support flow control 2 All dial up modes support front panel DTR RS 366 AT command and V 25 dialing methods NOTE 3 Rates marked with f require flow control 4 Given a choice between two protocols pick the protocol closer to the top of the list 5 Rate marked with v is available on Port 2 only 8 ISU 2x64 Dual Port IS
35. 2x64 Dual Port ISDN Service Unit User Manual 21 Chapter 4 Operation Configuration Screen Once the unit is selected using the terminal interface the display shows the Configuration Menu see Figure 4 3 This screen shows the current configuration line and call status for the selected unit See Configuration on page 27 for more information about configuring the ISU 2x64 ISU 2XB4 UIFC dte 2 Configuration Menu 1 Netw options Dial Line 2 Switch Protec AT amp T SESS 30 Call type Data 64kKbps 4 SPID DTE 2 5 LON DTE 2 525 Busy ut Port Disabled 7 Dial options Front Panel 85 Auto answer Enabled 9 Answer tone No Answer tone 185 Connect Timout 38 sec def 113 Call Screening Answer any 125 SBus Termination 166 ohm Off 13 DTE options Synchronous 14 Bit Rate 64888 159 Connector Type AS 232 162 ATS Options 1 ms delay Select _ 173 18 gt 193 283 213 22 232 242 253 2602 CTS Options Forced CTS CO Options Normal OTR Options Ignore OTR OSA Options DSA forced on Transmit Clock Normal Protocol Clear Channel Quick setup Set Password Lpbk remote 1B Lpbk remote 2B Enter SELECT Esc HO CHANGE Ctl P PORT CEtI U STATUS CtI T TEST Ctl C CONFIG CtlI D DIAL Ctl x EXIT Figure 4 3 VT 100 Configuration Screen To quickly and easily configure the ISU 2x64 for most applica tions see Quick Setup on page 65 22 ISU 2x64 Dual Port ISDN Serv
36. 2x64 units that are equipped for the ISDN S T interface These units part numbers 1200051L2 1200051L4 1200051L5 and 1200051L6 con nect to the S T interface of an NT1 device or the S T line card f M DIANE 1 Switch protocl 1 Netw option 2cLeasedline 5 Gal type 3 CONFIG 2 DTE options S TeminallD 3 Terminal ID 3 Protocol 4 Busy Out AA oo pail PEA de Quick setup 5 Dial options 5 Security 6 Autoanswer 6 Auto answer 7 Answer tone 8 Connect Timout 9 Call Screening 6 Remote Config 12100 ohm On 2 100 ohm Off Figure 6 12 SBus Termination Menu Tree 46 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 6 Configuration Select 100 ohm On to turn on the 100 ohm termination resistance across the S T transmit and receive pairs Select 100 ohm Off to turn off the 100 ohm termination resistance across the S T trans mit and receive pairs The SBus Termination resistors are not present on ISU 2x64 units equipped with the integrated NT1 part numbers 1200051L1 and 1200051L3 Setting the SBus Termination resistance to on or off on these units has no effect on their operation and can be ignored LEASED LINE SERVICE 3 CONFIG 2 DTE options This section explains how to configure the ISU 2x64 when using a 2B1Q leased digital service or a service providing a permanent con nection between end points The distance can be up to 18000 feet 1 Clock mode 1 Dial Line 2 Lea
37. 4 I if self test fails 77 if the ISU 2x64 does not read ready 77 if the wrong DTE port answers a call 83 if you cannot connect calls 84 in band dialing disabled 42 incoming tone 44 indicators 3 146 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051LI 1D Index installation ISU 2x64 installation 13 interface maintenance 15 interfaces 2 interoperability 4 86 ISDN ordering codes 9 overview service 9 ISU 2x64 dialing from 2 front panel 3 4 interfaces 2 interoperability 4 operation 17 overview rear panel 2 single port operation 4 L LCD configuration menu tree 29 ldm 64K master 70 LDNs setting 33 leased 64K 70 leased application with channel banks 48 leased line service 47 LED indicators carrier detect 87 clear to send 87 data set ready 87 data terminal ready from DTE 87 receive data 87 request to send 87 transmit data 87 LED indicators 87 limited distance modem application 48 lock keypad 74 loopback both DTEs 26 loopback disable 25 loopback DTE 24 loopback network 24 loopback points 24 loopback protocol 24 loopback remote 25 Lpbk remote 1B 75 Lpbk remote 2B 75 M maintenance connector 123 maintenance help screen 15 maintenance interface 15 menu navigation 17 multilink PPP 62 N NEBE 26 negotiation fail 105 network connection 13 network interface 85 no answer tone 44 Northern Telecom DMS 100 28 O operating protocols 6 operation 17 dial line 27 orderi
38. 4 FOR A NEW LINE 1 3 Disconnect the ISDN line from the ISU 2x64 Turn on the ISU 2x64 verify that it passes self test Turn off the ISU 2x64 while holding down 0 turn on the ISU 2x64 Continue to press down 0 for 15 seconds This will re set all the internal settings to factory defaults The ISU 2x64 is now set up for 5ESS Custom If this is not the correct line type select CONFIG Netw Options Dial Line Switch Type and the desired switch type Enter the SPIDs and LDNs for the ISDN multipoint line Se lect CONFIG Netw Options Dial Line Terminal ID Set SPID Set LDN and enter the SPIDs and LDNs Make sure that SPID1 corresponds to LDN1 and SPID2 corresponds to LDN2 Turn the ISU 2x64 off for 2 seconds then on This is required after changing any of the previous settings The ISU 2x64 should now be set up for your ISDN line You may wish to verify the settings Connect the ISDN line to the ISDN IFC connector on the ISU 2x64 The front panel should read Link Down and progress to Ready as the line is activated This process may take a minute At this point if the ISU 2x64 does not read Ready see the section If the ISU 2x64 Does Not Read Ready in the chapter Troubleshooting 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 133 Appendix F Ordering ISDN Without IOCs 134 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Acronyms 2B10 2 Binary 1 Quarternary AMI Alte
39. 4000 default 22 112000 23 115200 24 128000 Selects the number of asynchronous data bits O 8 bits default 1 7 bits Selects the number of asynchronous parity bits 0 None default 1 Odd 2 Even 116 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051LI 1D Appendix D S Register List S74 DTE STOP S5 DTE FLOW S76 DTE CLOCK Selects the number of asynchronous stop bits More than one option can be set at the same time 0 1stop bit default 1 1 5 stop bits 2 2stop bits Selects asynchronous flow control 0 None default 1 Hardware flow CTS from DCE controls DTE 2 Hardware flow RTS from DTE controls DCE 3 Hardware flow RTS and CTS flow control 4 Software flow XON XOFF from DCE controls DTE 8 Software flow XON XOFF from DTE controls DCE 12 Software flow XON XOFF controls DTE and DCE Selects DTE connector transmit clock timing source 0 Internal ISU 2x64 supplies timing default 1 External DTE supplies timing Value determines whether or not the ISDN switch should consider a DTE port busy S23 must be pro grammed before this register is used 0 DTE port is not busy default 1 DTE port is busy The following are the string locations for stored numbers 0 9 SS80 5N0 LOC SS81 5N1 LOC SS82 5N2 LOC SS83 5N3 LOC SS84 5N4 LOC SS85 SN5 LOC SS86 SN6 LOC SS87 5N7 LOC SS88 S5N8 LOC SS89
40. 9 Call Screening Figure 6 5 Dial Options V 25 bis Menu Tree Recommendation V 25 uses the following DCE DTE control sig nals Transmitted Data Circuit 103 Received Data Circuit 104 Ready for Sending Circuit 106 Data Set Ready Circuit 107 Data Terminal Ready Circuit 108 2 Calling Indicator Circuit 125 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 39 Chapter 6 Configuration NOTE 3 CONFIG 1 Netw options 2 DTE options 3 Protocol 4 Quick setup 5 Security 6 Remote Config The ISU supports the following V 25 bis commands to control automatic calling and answering CRN uies patia aut tees Call Request number in command CRS eese eai bpm eee s Call Request using stored number PRIN Satan 2 comme Program Stored Number REN oce dettes List Stored Number CIC s erae rete ets Connect Incoming Call DIC erp Ree Disconnect Incoming Call When using stored numbers V 25 bis accesses stored numbers 1 through 9 used by front panel dialing See Front Panel Dialing Options on page 63 The following configuration see Figure 6 6 for Auto answer should be selected if V 25 bis is in control of answering incoming calls with the CIC DIC commands since the other settings for Auto answer will override V 25 control of the answer function 1 S
41. ADRAN ISU 2x64 Dual Port ISDN Service Unit User Manual Part Numbers 120005 1L1 U Interface Version 110 VAC 120005112 S T lnterface Version 110 VAC 120005115 S T lnterface International 110 VAC 120005116 S THnterface International 230 VAC 61200051L1 1D June 1998 Trademarks Ascend is a registered trademark of Ascend Communications Inc ISU is a trademark of ADTRAN Incorporated Macintosh is a registered trademark of Apple Computer Inc Teleos is a registered trademark of Teleos Communications Inc Windows is a registered trademark of Microsoft corporation 5ESS is a registered trademark of AT amp T DMS 100 is a trademark of Northern Telecom ADRAN 901 Explorer Boulevard P O Box 140000 Huntsville AL 35814 4000 Phone 256 963 8000 1998 ADTRAN Inc All rights reserved Printed in USA FCC regulations require that the following information be provided in this manual Service Type ISDN 1 This equipment complies with Part 68 of the FCC rules On the bottom of the equipment housing is a label that shows the FCC registration number and Ringer Equivalence Number REN for this equipment If requested provide this informa tion to the telephone company If this equipment causes harm to the telephone network the telephone company may temporarily discontinue service If possible advance notification is given otherwise notification is given as soon as possible The telephone company will advise the cu
42. CS 32 or later The ISU 2x64 supports the following configurations on DMS 100 lines e Multipoint with one phone number 1B D service e Multipoint with two phone numbers for 2B D service The requirements for the DMS 100 multipoint line are defined in the sections Local Interface Local Service and in Table F B all in this appendix The line should have two service profiles with the following parameters to support BONDING Table F B DMS Features Line type Basic Rate Functional Electronic key telephone set EKTS No Call appearance handling CACH No Initializing terminal Yes Bearer service Circuit Switched Voice and Data permitted Packet mode data not permitted Circuit switched service Yes Packet switched service No Protocol Version Functional PVC 1 TEI Dynamic 132 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix F Ordering ISDN Without IOCs After Service Is Installed When the line is installed the following information will be pro vided by the local phone service provider A seven digit LDN for the line If the line is multipoint with two phone numbers two LDNs are provided If the line is multipoint a SPID is provided for each LDN Dialing information including the area code for the line Any special instructions for dialing outside lines dialing 4 digit local extension numbers and prefixes for using the de sired long distance provider SETTING UP THE ISU 2X6
43. Configuration Point to Point Protocol PPP The ISU 2x64 can be configured for PPP from the protocol options of the configuration menu by selecting 1 PPP or by setting S reg ister S27 to a value of 0 The menu path is shown in Figure 6 23 Multilink PPP The ISU 2x64 can be configured for multilink PPP from the proto col options of the configuration menu by selecting 2 Multilink PPP or by setting S register S27 to a value of 1 See Figure 6 23 In this mode the ISU 2x64 dials a second number to establish a second point to point link Once the second PPP is established multilink PPP is performed over both B channels The phone number for the second call should be placed in stored number 1 SN1 If no number is stored in SN1 the same phone number is dialed to establish the second link PPP with Compression The ISU 2x64 can be configured for PPP with compression from the protocol options of the configuration menu by selecting 3 PPP w Comp or by setting S register S27 to a value of 2 The menu path is shown in Figure 6 23 62 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 7 Dial Options FRONT PANEL DIALING OPTIONS Selecting 4 DIAL or pressing the key from the front panel dis plays the available dialing options see Figure 7 2 Access the VT 100 Terminal Dial Options Screen Figure 7 1 by pressing Ctrl D from any screen The dial options are only available when the ISU is configured
44. DN Service Unit User Manual 61200051L1 1D Chapter 2 ISDN Service ISDN ORDERING CODES ISDN is a complex service with many network options Obtain ing service from the local telephone company and long distance providers can be complicated In North America the development of ISDN ordering codes IOCs simplifies the process of ordering ISDN service The ISDN Solutions Group a consortium of ISDN equipment vendors ser vice providers and Bellcore established these codes to represent predetermined line configurations for ISDN Basic Rate service for specific applications ADTRAN and Bellcore have registered and tested eight generic IOCs These IOCs are supported by all major local exchange car riers as well as several independent carriers After reviewing the following list order ISDN lines from the local service provider Request the appropriate IOC for your application If the local ser vice provider does not support IOCs see Ordering ISDN Without IOCs on page 125 Capability S previously Generic Data M ordering code is rec ommended for 2x64 applications It is the most feature rich and supports most voice and data applications The voice capability is not necessary for ISU operation in 2x64 in data only applica tion however it is useful in troubleshooting a mis configured ISDN line In some areas ISDN tariffs may warrant the use of ordering codes with less features For example in a particular region there may be additi
45. DN Service Unit User Manual 61200051L1 1D List of Figures Figure 1 1 ISU 2x64 Rear Panel eiie ette ite tee tee cascade 2 Figure 1 2 TSU 2x64 Front Panel 4 Figure 1 3 TSU 2x64 Interoperability ss 5 Figure 3 1 VT 100 Maintenance Help Screen 15 Figure 4 1 Current Status Menu 18 Figure 4 2 VT 100 Status Screen 21 Figure 4 3 VT 100 Configuration Screen 22 Figure 5 1 VT 100 Test Menu Screen 23 Figure 5 2 Test Menu Iree e ape eee n ete PE Id esie tin een 24 Figure 5 3 Loopback Points ss 24 Figure 6 1 Dial Line Menu Tree ss 27 Figure 6 2 VT 100 Configuration Menu Screen ssssssssseeeee 28 Figure 6 3 LCD Configuration Menu Tree 29 Figure 6 4 Dial Options RS 366 Menu Tree 35 Figure 6 5 Dial Options V 25 bis Menu Tree 39 Figure 6 6 Dial Line Auto Answer Menu Tree ssssssssseeeeeee 40 Figure 6 7 Data Bits Menu Tree 41 Figure 6 8 V 25 bis ASYNC Menu Tree 41 Figure 6 9 Answer Tone Menu Tree 44 Figure 6 10 Connect Timout Menu Tree sss 45 Figure 6 11 Call Screening Menu Tree ss 45 Figure 6 12 SBus Termination Menu Tree 46 Figure 6 13 Leased Line Menu Tree ss 47 Figure 6 14 Limited Distance Modem Applications 48 Figure 6 15 Leased Application with Channel Banks 48 Figure 6 16 Asynchronous DTE Options Menu Tree 50 Figure 6 17 Synchronous DTE Options Menu Tree ssssssssssss 50 Figure 6 18 Flow Control Menu Tree 53
46. DN vss she sabana iit eese 33 Setting the Busy Out Portis aie eine eae peine ete deed 33 falsi ERE 34 Disabled iet te eerte tenete fet t ees det EOM dere rides 34 cain the Dial Options een ee teo node ene i edet ee 34 TONE Palin ot dns eue 34 B5 3906 icones O RuL ELCHE Iud 34 AT Commands eem estan tenente tegere neret ee te Tarte 36 p Mp 39 Disabled eost to o eue e ense timi rti a ee eti dao 42 Setting AUTO ANS WET seca nihit fnere ere outs eere Teri e ped er eh I er Pere e ve 42 ASAD C A seis M 42 Enabled e 9 43 Duimp alkcalls aene ec nice eu t nee P I RR 43 Setting Answer Tone 43 No Answer tone Default ss 44 Weed NEESS 44 Outgoing tones eere e nn rennes en erste mn rennes 44 AIWAYS ONE in E UHR resti RI MA 44 Setting Connect TITiout eso onera onu od vepres rien vei ese ten 45 Setting Call Screening sine enfe f hen tee i ere ier entente fen 45 SBUS LermitiatiOb t 2n tire rentem tet pere nre P Pee Pp Sided 46 Leased Line Service ceteri Deere dete Peri dere iade eee crede serio ege 47 Clock Mode Slave Master c c cccccccccccccsssssssccssessssecssssscesessessssesessssesssessesssseeesssssseeess 47 Channel Rates tiene reed eq ener ed dere hn d een e prese t erede end eed 48 SB s Termitiation nonet ente dade ap geredet ed est REO 49 DTE Options for Asynchronous and Synchronous Operation 50 NA A E Seavey Perte
47. FALLBACK The primary usage for SAP is general purpose asynchronous rate adaptation in a dial up or leased environment SAP only oper ates on a 64 kbps data link Figure 6 21 illustrates the menu path for selecting SAP The FALLBACK asynchronous rate adaptation protocol provides the capability to automatically establish calls with other ISDN terminal adapters and Switched 56 DSUs as well as other ISUs using a single configuration The ISU 2x64 must be optioned as follows for FALLBACK operation 1 Any asynchronous bit rate up to 115 2 kbps which is support ed by the DTE 2 Flow control must be enabled and supported by the DTE FALLBACK supports the following protocols based on the Call Type BONDING mode 1 V 120 and T Link Figure 6 21 illus trates the menu path for selecting FALLBACK When answering calls the ISU 2x64 uses the incoming call type to determine which rate adaptation protocols to support Table 6 A Rate Adaptation Protocols Call Type Data 64 k Bonding mode 1 SUs Data 56 k Rate Adaption Protocols Supported Typical Units Supported V 120 SDN TAs PPP async sync PPP compatible bridges routers BONDING mode 1 SUs V 120 SDN TAs PPP async sync PPP compatible bridges routers Plink 2 wire Switched 56 DSUs 60 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 6 Configuration When originating calls to unknown units the ISU begins its pro tocol selec
48. Figure 6 19 Data Format Menu Tree sss 53 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual v List of Figures Figure 6 20 Transmit Clock Menu Tree ss 54 Figure 6 21 Protocol Menu Tree 55 Figure 6 22 Protocol BONDING Mode 1 Menu Tree 57 Figure 6 23 PPR Menu Tree ss e iE e Huerta ep eee de eine od eite 61 Figure 7 1 VT 100 Dial Options Screen 63 Figure 7 2 Dial Meni Tree ener nee ned 63 Figure 8 1 Quick Setup Menu Tree 65 Figure 9 1 Security Menu Trees ueste ee pede tpe i t 73 Figure 9 2 Remote Config Menu Tree ss 74 Figure E 1 EIA 232 Interface cete eer teet teer tienen 119 Figure E 2 RS 530 Interface ete ete eee nter eee ie 120 Figure E 3 M95 Interface seii ta RIA edP tene toe sese Mte e pk ilte be 120 Figure E 4 RS 366 Interface 121 Figure E 5 RJ 45 Dial Line Connector U Interface sssssssssss 122 vi ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D List of Tables Table 1 A DTE Iridicatots niente e tete le Dera eese 3 Table 1 B Recommended Operating Modes 7 Table 6 A Rate Adaptation Protocols ss 60 Table 10 A Troubleshooting Calls sss 84 Table E A ETAS232 Interfase 119 Table E B RS 530 Int rraces IS A ea hates 120 Table E C A diets a R 121 Table E D ROO Interface oen teet te Mn Se eves one o eost Eee Le Cha see 122 Table E E RJ 45 Dial Line Connector U Interface s
49. Interface Description Shield for cable Transmitted Data Received Data Request To Send Clear To Send Data Set Ready Signal Ground Carrier Detect Receive Clock return Carrier Detect return External Transmit Clock return Transmit Clock return Clear To Send return Transmit Data return Transmit Clock Receive Data return Receive Clock o Connection Request To Send return Data Terminal Ready o Connection Data Set Ready return Data Terminal Ready return External Transmit Clock o Connection Figure E 3 V 35 Interface 120 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix E Connector Pinouts Table E C V 35 Interface Provided by RS 530 232 to V 35 Adapter part number 1200072L1 i n Input O Output N A Not Applicable Description Shield for cable Signal Ground Request To Send Clear To Send Data Set Ready Carrier Detect Data Terminal Ready Ring Indicator Send Data Receive Data Send Data return Receive Data return External Transmit Clock Receive Clock External Transmit Clock return Receive Clock return Send Timing Send Timing return o Connection o Connection o Connection o Connection o Connection o Connection o Connection o Connection o Connection o Connection o Connection o Connection o Connectio PIN 14
50. L3 with the U interface make sure your line is not connected through another piece of equipment such as an NT1 in a wiring closet somewhere F Ensure nothing else is bridged across the ISDN line pair G With a minimum of extra wiring try connecting to the ISDN line pair at the point where service provider s wiring ends H With the ISU 2x64 connected to the ISDN line and pow ered up talk to your service provider s repair group and inform them that your ISDN basic rate line has a physicallayer 1 problem Ask them to check the line If using the ISU 2x64 1200051L1 or 1200051L3 with the U interface tell them that you have an NT1 like device at the end of the ISDN line If the ISU 2x64 continuously reads Getting TEI 1 the ISU 2x64 is physically connected to the local telephone service provider but is unable to establish logical layer 2 The prob lem is in one or more of the following places The ISU 2x64 software setup The telephone service provider s software setup Hardware configuration if the line is extended from the switch 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 79 Chapter 10 Troubleshooting To isolate the problem use the following procedure A B Ensure the ISU 2x64 is set up for the correct switch type Ensure the quality of the line is satisfactory by checking for near and far end block errors NEBEs and FEBEs If the counts are non zero there may be a physical link
51. Manual 61200051L1 1D Chapter 1 Understanding ISDN and the ISU 2x64 The ISU 2x64 allows the user to migrate ISDN into existing net work services and data communications equipment The ISU 2x64 interoperates with ISU 128s Switched 56 DSUs various ISDN terminal adapters and BONDING inverse multiplexers for example ASCEND PROMPTUS and Teleos For instance in a video conferencing application this compatibility allows the ISU 2x64 to interoperate with networks utilizing two Switched 56 DSUs The ISU 2x64 front panel accommodates a 2 line by 16 character LCD display Seven LED indicators monitor data flow and dis play the status of key DTE interface leads see Table 1 A and Fig ure 1 2 A front panel keypad supports configuration test modes test status and dialing Table 1 A DTE Indicators Indicator Definition RS Request to Send Indicates the DTE is ready to transmit ES Clear to Send Indicates the ISU 2x64 is ready o transmit TD Transmit Data On when the DTE is transmitting o the ISU 2x64 RD Receive Data On when the ISU 2x64 is receiv ing data from the far end CD Carrier Detect On when the ISU 2x64 is con nected to a remote unit TR Data Terminal Ready from DTE On when DTR is active at DTE interface SR Data Set Ready 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 3 Chapter 1 Understanding ISDN and the ISU 2x64
52. OPERATING PROTOCOLS The ISU 2x64 supports a wide range of operating modes Many combinations of circuit type protocol and data rate may be selected However only the combinations shown in Table 1 B are recommended As noted in Table 1 B all asynchronous rates sup port flow control Flow control is required when operating at 115200 bps using V 120 PPP MLPPP SAP or BONDING proto cols Table 1 B shows that a given data rate may be achieved by more than one protocol rate adaptation selection The table is orga nized so that selections with lower throughput delay are nearer the top of the table for any given circuit type Therefore users should choose a protocol and rate nearer the top of the list for any given circuit type 6 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 1 Understanding ISDN and the ISU 2x64 Table 1 B Recommended Operating Modes Call Type Protocol real Rates Supported bps DIAL 64K BONDING Sync 56000 64000 Clear Chan Sync 48000 56000 64000 PP Sync 2400 4800 9600 19200 38400 56000 64000 v 110 Sync 2400 4800 9600 19200 38400 v 120 Sync 9600 19200 38400 48000 link Sync 2400 4800 9600 19200 56000 64000 SAP Sync 38400 PP asyncsync Async 1200 2400 4800 9600 19200 38400 57600 115200f BONDING Async 2400 4800 9600 19200 38400 57600 v 110 Async 1200 2400 4800 9600 19200 38400v V 120 Async
53. Passed If Self Test Fails If Self Test Passed is not displayed the following steps will verify whether or not the problem can be fixed locally 1 Ensure the ISU 2x64 is receiving power 2 Turnoff the ISU 2x64 while holding down 0 then power back on 3 Continue to press down 0 for 15 seconds This resets all the internal settings to factory defaults 4 Ifthe ISU 2x64 still does not pass self test call ADTRAN Technical Support for assistance see the back of this manual for phone numbers If The ISU 2x64 Does Not Read Ready When the ISU 2x64 has been set up and connected to a line but the front panel does not read Ready after a few minutes use the fol lowing troubleshooting procedure 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 77 Chapter 10 Troubleshooting If the Euro ISDN or VN4 switch type is selected the unit will not enter NOTE the Ready state until a setup message is sent or received part number 1200051L5 and 1200051L6 1 Cycle power on the ISU 2x64 leaving it off for a minimum of 2 seconds Turn the power on for one full minute to ensure the unit does not read Ready 2 Disconnect the ISDN line from ISU 2x64 From a functioning voice phone call the local directory number s provided with the line Calling a good ISDN line with nothing connected usually results in a ring or fast busy tone If someone an swers or you get a not in service intercept there is probably something wr
54. REEN ic sto terere e T sen sete Lier en ne id vete cU eere euius ewe dE E ee Te ner Deer ee 21 Configuration Screen i eise cere gestare S oie a Lesen ete eoe acepte ninh baa send 22 Chapter 5 Testing sense 23 Test Options sr ann tn en nn dire er n eda dte 23 Loopback DTE deae eee ite eie mien teen nee n tr 24 Loopback NetWOELK ie eet ere esie tiere i nei i es eee C dern pes pedet 24 Loopback Protocol A O tede tre tases selects 24 Loopback Remote o pec eere ted onset ne doque nia d receta 25 Test Remote ATAATA AE TAA iio al 25 Loopback Disable Td ei ee etre ete eta e denen 25 NEBE FEBE x utn A O uec vo Pee eee 26 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual I Table of Contents Software Version cca Io LAT MI ee ne 26 Loopback Both D TES eese ii eterne ter hide ei eene eee een 26 Test2047 Both net tert rre tee eed ede ede Ee bee edel 26 Chapter 6 Configuration sn 27 Dial Eine Opera ralio ee tei e das 27 Setting the Switch Protocol 28 Setting the Call Type 5 entem itte Pen e HERI erret rimes 31 peech A O teen tte lise ine be deste diee ah ine cece tel 31 AIO sn esed cau ae IS NR UM ate Dus Sir Alina Anne 31 D ta 56Kbps bere potes osetia ed lene Hire ceste iot cese 31 Data 64kbps eire ette ai mtn ire mH eet 31 Smart Dial Strings eee emet HH atten enar reed teteia re dettes 32 the Terminal ID senii retene trente tere emet idet iate ed ts 32 etting the SRI A 32 Setting the L
55. TE rates higher than the effective loop rate are used i e 115 2 kbps over 112 kbps loop rate 52 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 6 Configuration 1 Bit Rate 2 Connector Type 3 RTS Options 4 CTS Options 5 CD Options 6 DTR Options 7 DSR Options 8 Flow Control 9 Data Format 1 Netw options 2 DTE options 3 Protocol 4 Quick setup _5 Security 6 Remote Config 3 CONFIG 1 Asynchronous 2 Synchronous 2 Software Flow 3 No Flow Ctrl Figure 6 18 Flow Control Menu Tree Data Format asynchronous A frame consists of a start bit 7 or 8 Data bits 0 or 1 Parity bit and 1 to 2 Stop bits The settings for Data Bits Parity Bits and Stop Bits are available as shown in Figure 6 19 1 Bit Rate 2 Connector Type 3 RTS Options 1 Netw options i 1 8 Data bits Mi ee 4 CTS Options 2 DTE options lsAsynchronous Onion 1 Data Bits 2 7 Data bits 2 Synchronous 3 CONFIG 3 Protocol 6 DTR Options 1 None 4 Quick setup 7 DSR Options 2 Parity Bits 8 Flow Control 3 Even 6 Remote Config 9 Data Format 3 Stop Bits 1 1 Stop bit 2 1 5 Stop bits 3 2 Stop bits Figure 6 19 Data Format Menu Tree Transmit Clock synchronous data format Selecting the Normal option causes the ISU 2x64 to be the syn chronous DTE interface transmit timing source Transmit data is timed from the transmit clock provided b
56. Up and Down arrow keys to bounce between the two DTE ports Current Status menus Once this menu is exited the DTE indicators reflect the status of the DTE that was last shown See Table 1 A on page 3 for a listing of the front panel DTE indica tors ISU 2X64 n i Figure 4 1 Current Status Menu The ISU 2x64 automatically updates the Current Status menu to the DTE that is receiving an incoming call For example if the Current Status menu shows the state of DTE 1 and a call is incoming on DTE 2 the ISU 2x64 automatically changes the dis play to show the Current Status menu for DTE 2 Change this by using the Up and Down arrow keys to select either DTE 18 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 4 Operation VT 100 Menu Support When connected to an asynchronous VT 100 terminal or VT 100 terminal emulator use the built in ISU 2x64 menu system for configuration of both DTE ports The VT 100 screens can be acti vated by typing AT V while connected to either DTE port in AT command mode or by typing V at the prompt while using the maintenance port The maintenance port is an asynchronous port always set to 9600 bps 8 data bits one stop bit no parity and no flow control By using the VT 100 screens on the maintenance port both DTE ports can be configured from one terminal The command Ctrl P switches between DTE 1 and DTE 2 GETTING STARTED
57. When Dump all calls is selected the ISU 2x64 does not accept any incoming calls This keeps the line clear for outgoing calls Setting Answer Tone Answer tone is configured separately for both DTE 1 and DTE 2 Using the front panel select the appropriate DTE with either arrow key and press Enter See Figure 6 9 When using a VT 100 terminal select the option number corresponding to the appropriate DTE and press Return The Answer tone option enables the transmission of a modem answer tone at the start of voice and audio calls The purpose of this tone is to disable echo suppression for echo cancellation on the circuit in order to get a clear digital circuit This may be nec essary on some long distance circuits The specifics of the tone are 4 seconds 2100 Hz at a 10 dB level with phase reversals every 475 us 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 43 Chapter 6 Configuration 1 Switch protocl 2 Call type 4 Busy Out 5 Dial options 6 Auto answer 7 Answer tone 8 Connect Timout 9 Call Screening 10 SBus Terminati 1 Dial Line 2 Leased Line 1 Netw options 2 DTE options 3 Protocol 4 Quick setup 5 Security 6 Remote Config 1 No Answer tone 3 CONFIG 2 Incoming tone Figure 6 9 Answer Tone Menu Tree No Answer tone Default This option disables the Answer tone on all calls Incoming tone This option enables the Answer tone on incoming c
58. a 64kbps data call type Negotiation fail The BONDING negotiation has failed NETWORK BUSY The ISDN switch is busy and unable to process a call NETWORK_CONGESTION The phone network is currently congested NETWORK_OUT_OF_ORDER The phone network is out of order No 48K Support The ISU 2x64 does not support 48 kbps TLINK Local DTE setup error NO_CIRCUIT_AVAILABLE The requested bearer channel is not available NONEXISTENT_MSG Nonexistent message was sent by the ISU 2x64 No Sreg number Attempt to access an S register without specifying a specific S reg ister example ATS 1 No Sreg value Attempt to change an S register without specifying a value ex ample ATS2 NO_ROUTE The phone network was unable to find a route to the destination number NO_USER_RESPONDING The dialed number is not responding NORMAL_CLEARING The network is disconnecting the current call 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 105 Appendix C Status Buffer Messages NOT end2end ISDN The path that the call was routed over is not ISDN from end to end warning only NUMBER_CHANGED The number dialed has been changed OUTGOING CALL BARRED The network will not allow the outgoing call to be placed PROTOCOL ERROR Call control error REQ CHANNEL NOT AVAIL The channel type requested is currently not available Remote not ISU Bonding negotiation determined the far end unit is not another ISU
59. a the DTE connector 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 93 Appendix A AT Commands 94 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix B Current Status Messages This appendix lists the status line messages and their definitions Messages shown entirely in capital letters are generated by the ISDN network Messages with lower case letters are generated by the ISU 2x64 AT amp T 5ESS Ready The ISU is connected to an AT amp T 5ESS switch and is ready to place receive calls Call Connect B1 Bearer channel 1 is connected and is active Call Connect B2 Bearer channel 2 is connected and is active CALL xxxxxxx The ISU is calling phone number xxxxxxx DEACTIVATED The network interface is not active DISCONNECTED The network has activated layer 1 but layer 2 is inactive To acti vate the unit a setup message must be sent or received DISCONNECTING The current phone call is being disconnected hung up 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 95 Appendix B Current Status Messages DMS 100 Ready The ISU is connected to a DMS 100 switch and is ready to place receive calls Euro ISDN Ready The ISU 2x64 is connected to a Euro ISDN switch and is ready to place receive calls Getting TEI 1 The ISU is receiving its first TEI from the network Getting TEI 2 The ISU is receiving its second TEI from the network ISDN 1 R
60. adapter device con nected to the line 82 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 10 Troubleshooting If the Wrong DTE Port Answers a Call NOTE A common mistake that can easily be made is entering the SPID LDN pair swapped between the two DTE ports For example your telephone company has given you two SPID LDN numbers as follows SPID1 201555701111 LDNI 5557011 SPID2 201555702222 LDN2 5557022 If you were to enter the pairs for DTE 1 as SPID1 LDN2 and SPID2 LDN1 the ISU 2x64 would get confused during incoming calls because the SPID LDN pair does not match Be sure to enter the SPID LDN pairs for each DTE as follows Enter SPID dtel Enter LDN dtel 201555701111 5557011 Enter SPID dte2 Enter LDN dte2 201555702222 5557022 Proper entry of the SPID LDN pair is crucial to proper operation of the ISU 2x64 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 83 Chapter 10 Troubleshooting If you Cannot Connect Calls See Table 10 A for corrective actions if you cannot place calls Table 10 A Troubleshooting Calls Condition Corrective Action The ISU 2x64 reads Ready but calls cannot be placed Local voice calls can be transmit ted but data calls to the same exchange cannot There is most likely a problem in the software setup trans lation at the CO switch or the network setup in the ISU 2x64 The ISDN line is probably not set up
61. aling Options on page 63 for more detail Configuring the ISU 2x64 for RS 366 enables out of band dialing over the RS 366 port To establish and disconnect calls using the 34 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 6 Configuration 3 CONFIG 2 DTE options 1 Netw options RS 366 parallel dialing port configure the unit for RS 366 dialing See Figure 6 4 This enables the RS 366 port on the rear of the unit Whenever this dialing mode is enabled data terminal ready DTR must be active before a call is placed The call may be dis connected by dropping DTR or from the front panel by selecting the pound key to go directly to the Dial menu and selecting 1 Hang up line then Enter DTE RS 366 dialers can end their string of dialed numbers in two different ways The end of number EON alerts the ISU 2x64 that the entire number has been sent Another method is to sim ply stop sending numbers and allow the ISU 2x64 to time out then dial the number The ISU 2x64 supports both methods of dialed number terminations The following options allow the dialed number termination to be fine tuned 1 Switch protocl 2 Call type 4 Busy Out 5 Dial options 121 sec or EON 2 2 sec or EON 3 5 sec default 4210 sec or EON 1 Front Panel 2 RS 366 3 AT commands 1 Dial Line 3 Protocol 4 Quick setup 5 Security 6 Remote Config 1 sec or EON 2 sec or EON
62. alls Outgoing tone This option enables the Answer tone on outgoing calls Always tone This option enables the Answer tone on either incoming or out going calls 44 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 6 Configuration Setting Connect Timout Connect Timout sets the length of time that the ISU 2x64 waits for a far end unit to answer an outgoing call These choices are illustrated in Figure 6 10 1 Switch protocl 2 Call type 3 Terminal ID 4 Busy Out 5 Dial options 6 Auto answer 7 Answer tone 8 Connect Timout 9 Call Screening 10 SBus Terminati 1 Dial Line 2 Leased Line 1 Netw options 3 CONFIG 2 DTE options 3 Protocol 4 Quick setup 5 Security 6 Remote Config 1 15 sec 2 30 sec def 3 1 Minute 4 2 Minute 5 4 Minute Figure 6 10 Connect Timout Menu Tree Setting Call Screening Call Screening allows the ISU 2x64 to either answer all incoming calls default or only calls originating from phone numbers stored in the DIAL menu as stored numbers SNO through SN9 See Front Panel Dialing Options on page 63 to review how to store numbers Figure 6 11 illustrates the menu tree for setting call screening 1 Switch protocl 2 Call type 3 Terminal ID 4 Busy Out 5 Dial options 1 Dial Line 2 Leased Line 1 Netw options 2 DTE options 3 Protocol 3 CONFIG 6 Auto answer 4 Quick setup 5 Security 6 Remote C
63. alls 2 Circuit switched voice bearer channels Any umber of circuit switched data CSD calls 2 Circuit switched data bearer channels Any Terminal type data bearer channels Type A Multipoint lines require the phone company to create a SPID for each phone number on the line With the exception of the ability to spread two calls across two phone numbers multipoint lines offer no special features and may create complications How ever if you use a multipoint line the parameters are similar to the point to point line except for the SPIDs The 5ESS switch can provide a variety of supplementary features which the ISU 2x64 may not support Enabling these features may have undesirable consequences Avoid the following fea tures Packet Mode Data Multiline hunt groups Electronic key telephone set EKTS Shared directory numbers Intercom groups Network resource selector modem pools Message waiting Hunting InterLATA competition Accept special type of number 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 131 Appendix F Ordering ISDN Without IOCs DMS 100 Protocol Version 1 Line Additional Parameters The Northern Telecom DMS 100 telephone switch supports a proprietary ISDN D channel call control protocol called Pvc1 which is based on CCITT recommendations The ISU 2x64 con figured for switch type DMS 100 is functional on lines providing this protocol on DMS 100 switches with software version B
64. and safety requirements The Department does not guarantee the equipment will operate to the user s satisfaction Before installing this equipment ensure that it is permissible to be connected to the facilities of the local telecommunications company The equipment must also be installed using an acceptable method of connection In some cases the company s inside wiring associated with a single line individual service may be extended by means of a certified connector assembly telephone extension cord Compliance with the above conditions may not prevent degrada tion of service in some situations Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier Any repairs or alterations made by the user to this equipment or equipment malfunctions may give the telecommunications company cause to request the user to disconnect the equipment Users should ensure for their own protection that the electrical ground connections of the power utility telephone lines and internal metallic water pipe system if present are connected together This precaution may be particularly important in rural areas Users should not attempt to make such connections themselves but should contact the appropriate electric inspection authority or an electrician as CAUTION appropriate The Load Number LN assigned to each terminal device denotes the percentage of the total load to be connected to
65. ce digital network A network architecture that enables end to end digital connections The network supports diverse services through integrat ed access arrangements and defines a limited set of standard multipurpose inter faces for E vendors network providers and customers Interworking with a public switched telephone network is retained LATA Local Access and Transport Area One of 161 local telephone serving areas in the United States generally encompassing the largest standard statistical metropoli tan areas Subdivisions established as a result of the AT amp T divestiture that now distinguish local from long distance service Circuits with both end points within the LATA intraLATA are generally the sole responsibility of the local telephone company while circuits that cross outside the LATA interLATA are passed on to an interexchange carrier Loopback A diagnostic procedure where data is sent to the device being tested and the out put of the device is fed directly back to its input looped around and the returning data is checked against that which was sent loopback test A test typically run on a 4 wire circuit Two transmit leads are joined to the two receive leads A signal is then sent around the loop Measuring differences be tween the sent and received signal is the essence of a loopback test master clock The source of timing signals or the signals themselves which all network stations use for synchronization
66. chronous and asynchronous DTE rates See the section Recommended Operating Modes and Table 1 B for available V 110 rates Figure 6 21 illustrates the menu path for selecting V 110 DSU 57 6 ASYNC T Link SAP The DSU 57 6 ASYNC protocol allows the ISU 2x64 to communi cate asynchronously at 57 6 kbps with ADTRAN 2 and 4 wire Switched 56 DSU products In addition the ISU 2x64 communi cates with other ISUs over dial and leased connections using this protocol Figure 6 21 illustrates the menu path for selecting DSU 57 6 ASYNC The T Link protocol allows the ISU 2x64 to communicate with 2 wire Switched 56 DataPath DUs The T Link protocol performs two functions e It adapts the data rate of sub 64 kbps DTE devices to the 64 kbps bandwidth of the ISDN bearer channel e For asynchronous and synchronous DTE rates up to 19 2 kbps T Link transmits the status of the DCE DTE EIA leads to facilitate flow control and maintenance In addition to 2 wire Switched 56 DataPath DUs the ISU 2x64 communicates with any other device using the T Link protocol Figure 6 21 illustrates the menu path for selecting T Link The Simple ADTRAN Protocol SAP is a rate adaptation method which provides DTE service between ISU 2x64 units at a channel rate lower than the 64 kbps ISDN bearer Selecting this menu item causes the ISU 2x64 to use SAP protocol 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 59 Chapter 6 Configuration
67. coding ISDN service must be provided from one of the following CO switches and protocols Switch Protocol AT amp T SESS Custom 5E6 or later software National ISDN 1 Northern Telecom DMS 100 BCS 32 or later software Pvc 1 National ISDN 1 Pvc2 Siemens EWSD National ISDN 1 The interface provides the ability to allocate one dynamic TET per phone number Bearer capabilities Circuit mode voice service for speech and 3 1 kHz audio Circuit mode data service for 56 kbps and 64 kbps unrestricted data Two simultaneous calls supported on the interface Any mix of speech and data bearer capabilities is supported for both bearer channels on incoming and outgoing calls Service provided inside the LATA for the bearer capabilities Long distance access for the bearer capabilities to and from the long distance providers of choice 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 129 Appendix F Ordering ISDN Without IOCs Long Distance Service If facilities are available subscribe to long distance service sup porting the bearer capabilities previously listed Request service supporting circuit switched 64 kbps or 56 kbps access It is rec ommended that the same long distance carrier end to end throughout the network to be used Deciding What Services to Order If you are new to ISDN first obtain the features previously listed Refer to the section ISDN Service Ordering Information in thi
68. crip tions of their functions Bold text indicates default settings Function Answer Puts the ISU 2x64 in answer mode Dial Precedes the telephone access number ATD5551212 Hang up Disconnects the current call On line Commands the unit to go back on line S Register S String register Reset Resets the AT command processor Save Save current configuration to EEPROM Break in Break in AT command processor during an active call The break in character can be defined in S2 Reset ISDN interface Dump Status Buffer contents to the DTE port Power resets unit 6120005 1L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 89 Appendix A AT Commands Command Function Carrier Detect CD Control Line Options amp CO CD forced On amp C1 CD normal amp C2 CD off with local disconnect LOCD amp C3 CD off with Link Down Data Terminal Ready DTR Control Line Options amp D0 Ignore DTR amp D1 DTR Off forces command amp D2 Idle when Off DTR Off forces idle On allows auto answer Generic Unit Configurations amp FO Resets all S registers to factory preset values amp F1 Configures unit for Dial 56k sync amp F2 Configures unit for Dial 64k sync amp F3 Configures unit for Dial 112k sync amp F4 Configures unit for Dial 128k sync amp F5 Configures unit for Leased 64k amp F6 Configures unit for Ldm 64k master amp F7 Configures unit for Dial 57 6k async amp F8 Configures unit for D
69. cting the desired connector type The V 35 interface requires the RS 530 232 to V 35 adapter part num ber 1200072L1 1 ms delay causes the Clear to Send signal to change state one millisecond after the DTE Request to Send signal changes state The 18 ms delay causes the Clear to Send signal to change state 18 milliseconds after the DTE Request to Send signal changes state Forced CTS causes the CTS signal on the DTE connector to be continually asserted Follows RTS causes the CTS signal to fol low the state of the RTS lead CD Forced On causes the carrier detect CD signal to always be asserted Normal causes the CD signal to be asserted when a call has been successfully established Off with LOCD local discon nect causes the CD signal to be disasserted for a period of 5 sec onds and then be reasserted at the termination of a call Off Link Down causes the CD signal to be disasserted when the ISDN interface is not ready 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 51 Chapter 6 Configuration DTR Options DSR Options Ignore DTR causes the ISU 2x64 to disregard the state of the data terminal ready DTR pin Cmd when Off forces the unit into the AT command processor mode when DTR is not asserted To return online DTR must be asserted followed by the ATO com mand Idle when Off forces the unit to end the current call when DTR is no longer asserted Off gt On dial 0 allows one call attempt to be au
70. d 128 kbps Asynchronous dial operation for 57 6 and 15 2 kbps 64 kbps Limited Distance Modem using Master clocking 64 kbps leased service e Fallback 57 6 If indicated with an asterisk the option requires the end user to configure the ISDN switch type SPID1 LDN1 and SPID2 LDN2 See the section Setting the Dial Options Dial 56K sync When the ISU 2x64 is configured for Dial 56 Sync service the fol lowing parameters are automatically preset Service type rein no ot d nme ISDN dial line Automatic answering entente Enabled ISDN call ty pesei ee aE a EEA 56 kbps data Data protocol iet tente e Clear Channel DTE modes pinn ii atdenh Synchronous DTE connector bit rate 56 kbps DTE flow control eesriie nna S none RTS luar citar pae pe tea 1 mS delay CT SING rst eoe pei tese ite teste aes Forced on Transmit data clock Normal clock source V 54 Loopbacks Accepted 66 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 8 Quick Setup Dial 64K sync When the ISU 2x64 is configured for Dial 64K sync service the fol lowing parameters are automatically preset Service type caes nee tegeret ISDN dial line Automatic answering memecocncnoncncnrnncncnnanaracncncananararnrncanans Enabled ISDN Call type sisi 64 kbps data Data protocolii5 eignen ree Clear Channel D TEamode sura ette nr mats Synchronous DTE connector bit rate 64 kbps ID TE flOW COMO iare ns s
71. d a call with an improper call type 6120005 1L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 99 Appendix C Status Buffer Messages Bad DTE baud The DTE bit rate does not match a valid bit rate for the protocol se lected Bad DTE bps Bonding negotiation determined the chosen DTE bit rate is in valid BAD_INFO ELEM Call control error Bad phone number ISU 2x64 attempted to call an invalid phone number Bad TLK Version Invalid TLINK parameters found during end to end negotiations Baud Rate ISU 2x64 does not support the negotiated TLINK baud rate BEAR CAP NOT AVAIL The bearer channel requested by the user is not available Bearer mode Incoming call is not of a type the ISU 2x64 can accept Bearer info mode Incoming call information transfer capability is not known BONDING XXX The amount of bytes of corrected delay between the B2 and B1 bearer channels XXX can range from 8000 to 8128 bytes BPS mismatch Bonding negotiation found a bit rate mismatch Break to AT cmd User issued a break in request Break ignored User issued an extra break in request 100 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix C Status Buffer Messages BUSY The called number is busy CalllD 1 in use ISU 2x64 tried to place a call using SPID 1 when SPID 1 was al ready in use CalllD 2 in use ISU 2x64 tried to place a call using SPID 2 when SPID 2 was al rea
72. d with S registers See the appendix S Register List for a description of each S register and its corresponding range of val ues Reading an S Register Type ATS followed by the number of the S register to be read fol lowed by a question mark and press Enter Example ATS0 The ISU 2x64 uses S register strings to store strings of digits for stored phone numbers SPIDs etc 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 37 Chapter 6 Configuration Reading an S register String Type ATSS followed by the number of the string S register to be read followed by a question mark and press Enter Example ATSS80 To Change an S register Type ATS followed by the number of the S register to be changed an equal sign the numeric value to be assigned to the register then press Enter Example ATS0 2 Changing a String S register Type ATSS followed by the number of the string S register to be changed an equal sign the numeric string to be assigned to the register then press Enter Example ATSS80 5551212 Dialing a Call by the AT Command Processor To dial a call using the DTE terminal and AT commands type ATD and the telephone number on one line and press Enter Example ATD5551212 When the dialing process begins the front panel reads Dialing 5551212 If the call is successful Connect is displayed on the front panel followed by the rate adaptation protocol in use and the bit rate If the call is
73. ds to some other available dialing option When autobaud is not active on a DTE port the asynchronous rate of the DTE port matches the rate programmed into the ISU 2x64 at the current time While autobaud is running on a port that port meets Microsoft Windows 95 Plug and Play specifica tions The file MDMADTN INF is required To obtain this file contact ADTRAN Technical Support as shown on the inside back cover of this manual 54 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 6 Configuration Setting Protocol Options 3 CONFIG The ISU 2x64 communicates with many different types of tele communication equipment including other ISU 2x64s ISDN ter minal adapters Switched 56 DSUs and BONDING compatible inverse multiplexers Communicating between such diverse types of equipment requires various rate adaptation protocols to support various bit rates and DTE settings See Figure 6 21 for the menu tree The ISU 2x64 supports the following rate adapta tion protocols e Clear Channel no rate adaptation protocol synch only BONDING mode 1 Bandwidth on Demand Interoperability Group e CCITT V 120 e CCITT V 110 e DSU 57 6 ASYNC e T LINK Dial DDS DSU CSU SAP Simple ADTRAN Protocol e FALLBACK e PPP async sync 1 Clear Channel 1 Netw options 2 BONDING mode 1 2 DTE options 3 V 120 3 Protocol 4 Quick setup 4 V 110 5 DSU 57 6 ASYNC 7 SAP 8 FALLBACK 9
74. dy in use Call not ringing User executed an answer command ATA but there was nota call present CALL_REJECTED The call has been rejected by the ISDN network Can t go online ISU 2x64 cannot go back on line User issued an unknown AT command CAP NOT IMPLEMENTED The network or far end does not support the bearer capability re quested CHAN DOES NOT EXIST The bearer channel requested is not present CHAN NOT IMPLEMENTED The bearer channel requested has not been implemented CHANNEL UNACCEPTABLE The channel requested has not been subscribed CID gt 0 rcvd Received an incoming call from a third party during Bonding set up with far end DEST NOT ISDN The number called is not ISDN warning only 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 101 Appendix C Status Buffer Messages DEST_OUT_OF ORDER The called number is out of order Dial1 2 The ISU 2x64 placed a call on either the first or second channel The number called is displayed following the message Discon1 2 The call on either the first or second channel was disconnected from the network The far end phone number is displayed if available Disconnect Req Far end unit disconnected during BONDING negotiation DPUMP END RCVD Indication of a hang up or disconnect occurring during BOND ING Does not indicate an error condition has occurred DTE must be SYNC For the protocol chosen the DTE connector must be optioned as sy
75. e 6 8 for menu tree Configuring the ISU 2x64 for HDLC FLAG V 25 bis enables in band dialing over a DTE interface using standard synchronous HDLC V 25 bis commands with 7E HEX idle This selection disables in band dialing over the DTE interface Setting Auto Answer Disabled Auto answer is configured separately for both DTE 1 and DTE 2 Using the front panel select the appropriate DTE with either arrow key and press Enter When using a VT 100 terminal select the option number corresponding to the appropriate DTE and press Return The ISU 2x64 can be configured to automatically answer in one of three ways Disabled Enabled or Dump all calls When Disabled is selected the ISU 2x64 will not answer the call The AT answer command ATA must be issued to the ISU 2x64 for it to accept the incoming call or by selecting Answer Call from dial menu The ringing call can be dumped by using the 42 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 6 Configuration Hang up line command or answered using the Answer Call command These commands are found under the Dial branch of the menu tree See Front Panel Dialing Options on page 63 Enabled When Enabled is selected the incoming call is answered If that call is a BONDING call and requires two B channels the second call is answered The port assigned to that second SPID LDN pair is disabled during the duration of the BONDING call Dump all calls
76. e of the leased line to 128 kbps and set the DTE rate for DTE 1 to 128 kbps synchro nous The DTE rate for DTE 2should be set at 56 kbps or lower Enter these settings into both units This allows an application to utilize up to 128 kbps of bandwidth between DTE 1 on the mas ter unit and DTE 10n the slave unit SBus Termination SBus Termination selects 100 ohm termination resistors for the S T interface on ISU 2x64 units that are equipped for the ISDN S T interface These units part numbers 1200051L2 1200051L4 1200051L5 and 1200051L6 connect to the S T interface of an NT1 type device or the S T line card Select 100 ohm On to turn on the 100 ohm termination resistance across the S T transmit and receive pairs Select 100 ohm Off to turn off the 100 ohm termination resistance across the S T trans mit and receive pairs The SBus Termination resistors are not present on ISU 2x64 units equipped with the integrated NT1 part numbers 1200051L1 and 1200051L3 Setting the SBus Termination resistance on these units has no effect on their operation and can be ignored Units with S T interface will not work in master mode 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 49 Chapter 6 Configuration DTE Options for Asynchronous and Synchronous Operation The DTE options are configured separately for both DTE 1 and DTE 2 When using the front panel select the appropriate DTE with either arrow key and press Enter
77. eady The ISU is connected to an ISDN 1 compliant switch and is ready to place receive calls Link down The network interface is not active Link In Sync The ISU has successfully connected to the network but is waiting for the switch to issue the ACT bit LPBK DTE The DTE connector is looped back in the DTE direction LPBK Netw The ISU 2x64 is in a customer initiated loopback LPBK Protcl Net The ISU 2x64 has been commanded to perform a loopback in the network direction after letting the incoming data pass through the current protocol NEC Ready The ISU 2x64 is connected to an NEC switch and is ready to place receive calls 96 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix B Current Status Messages NET EOC LOOPBACK The ISU 2x64 has been commanded to perform an ISDN loopback toward the network NET REM LOOPBACK The ISU 2x64 is performing a V 54 or DDS latching loopback to ward the network Ready The unit is ready to make or accept a call Register SPID 1 The ISU 2x64 is registering its first SPID with the network Register SPID 2 The ISU 2x64 is registering its second SPID with the network RINGING The phone number just dialed is ringing xxxx nnnn A rate adaptation is running at the bit rate specified by nnnn xxxxx Quitting A rate adaptation protocol is turning off xxxxx Ready A rate adaptation protocol is ready xxxxx Setup A rate adaptation protocol is se
78. ected before determining the BONDING call has failed This timer value should be left at the factory default setting of 10 seconds However when interoperating with other manufacturers BONDING equipment it may be necessary to lengthen this timer to match TXADDO1 Values of 1 2 5 10 default 20 50 100 and 200 seconds may be selected TXADDO1 This option specifies the length of time both endpoints wait for the additional call to be connected at the end of negotiation before determining the BONDING call has failed The factory default setting of 20 seconds is sufficient for most calls to go through although when dialing overseas it may be necessary to lengthen this timer to allow for slower call routing Values of 1 2 5 10 20 50 default 100 and 200 seconds may be selected 6120005 1L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 57 Chapter 6 Configuration v 120 TXDEQ This option specifies the length of time both endpoints attempt to equalize the network delay between the bearer channels before determining the BONDING call has failed Values of 1 2 5 10 20 50 default 100 and 200 seconds may be selected TANULL This option specifies the length of time the answering endpoint attempts to detect the BONDING negotiation pattern from the originating endpoint before aborting to clear channel mode In general this timer value should be left at the factory default set ting of 10 seconds However it
79. ee 122 Table E F RJ 45 Dial Line Connector S T Interface sss 123 Table E G Maintenance Connector suisses 123 Table F A DESS F aturess uet itte rec rm eo tb teen et mets 131 Table F B DMBS Eeat res unte ol temet testet tent 132 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual vil List of Tables viii ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 1 Understanding ISDN and the ISU 2x64 ISDN OVERVIEW The Integrated Services Digital Network ISDN is a public or pri vate switched digital network ISDN is an international standard for digital communications allowing a full range of enhanced ser vices supporting voice data and image applications through standard interfaces over a single pair of telephone wires ISDN provides a means of integrating these services and modernizing communication networks for information movement and man agement efficiency THE ADTRAN ISU 2X64 ADTRAN s ISU 2x64 is a stand alone ISDN service unit that connects data terminal equipment to the ISDN network The ISU 2x64 is a dual port ISDN terminal adapter available with an op tional integrated NT1 The ISU 2x64 supports two applications at data rates of up to 64 kbps on each DTE interface or one applica tion using a data rate greater than 64 kbps maximum 128 kbps on a single DTE interface Target applications for the ISU 2x64 in clude video conferencing audio broadcastin
80. egister Useful for Hunt Group Operation Range 0 to 255 0 is default 24 V 120 Value determines whether or not the V 120 bit is set LOW LAYERCOMP insetup messages for CCITT V 120 calls Some terminal adapters require that this bit be set to connect V 120 calls 0 Set V 120 bit in call setup message default 1 Do not set V 120 bit in call setup message 25 DTR DELAY Value determines the minimum time a change of state on DTR must last before the unit responds The value is in hundredths of seconds Range 0 to 255 5 is default 50 milliseconds S26 DTE RATE ADJUST Determines CLEAR CHAN protocol automatically re ducing DTE RATE for non 64K call types 0 CLEAR CHAN changes DTE rate from 64K to 56K for non 64K call types default 1 CLEAR CHAN does not change DTE rate from 64K to 56K for non 64K call types 27 PPP MODE Value determines whether PPP will be a single link or multilink connection 0 Single link operation default 1 Multi link operation 2 Use compression 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 111 Appendix D S Register List S30 DTE CTS 31 DTE RTS S32 DTE DSR 59885 DTE CD S94 sd DTE DTR S95 3 DTE CONN 840 BOND TXINIT Controls the operation of the DTE connector CTS line 0 Follows RTS 1 Forced CTS default Controls operation of the RTS line 0 1ms delay default 17 18 ms delay Contro
81. er Manual 137 Glossary CCITT Consultative Committee on International ey and Telegraphy A body of the International Telegraph Union ITU which prepares recommendations com monly referred to as international standards to resolve technical telegraph and telephone problems central office CO In telephony the facility housing the switching system and related Sp that provides telephone service for customers in the immediate geographical area circuit mode Type of switching that assigns a call to a specific circuit path The circuit is not shared with other calls clear channel A channel in which all the 64 kbps are used for transmission To achieve this bit robbing signalling must be eliminated NOTE Not to be confused with clear chan nel protocol common channel interoffice signalling CCIS A signalling system developed for use between stored program switching systems All of the signalling information for a group of trunks is transmitted over a dedi cated high speed data link rather than on a trunk CCIS reduces call setup time compared to individual trunk signalling CPE Customer premises equipment A generic term for communications terminal gear owned by the customer residing on customer premises CSU Channel service unit A component of CPE used to terminate a digital circuit such as DDS or T1 at the customer site Performs certain line conditioning functions ensures network compliance per FCC rules and responds
82. erability Inverse MUX DTE Bonding Compatible Sw56 DSU ISDN OR SW56 DTE JOVAYFLNI L S YO JOVIYILNI N NASI DTE ISDN U INTERFACE Sw56 DSU 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 5 Chapter 1 Understanding ISDN and the ISU 2x64 When the ISU 2x64 is used on an existing ISDN line that is not multipoint with one SPID or no SPID numbers additional con siderations should be addressed If DTE specific operation is desired the ISDN line must be converted to multipoint operation 2 SPIDS If not the following applies 1 Ifa single SPID is assigned it must be entered under SPID DTE 2 2 When no calls are active the first incoming call is always di rected to DTE 2 3 DTE 1only accepts incoming calls when a call is active on DTE 2 4 Outgoing calls can be placed without restrictions from either port For applications involving only one SPID being used on a multi point line the SPID assigned must be entered under SPID DTE 2 For applications involving the S T version part number 1200 051L5 and 1200 051L6 no SPID s are used when the Euro ISDN or VN4 switch type is selected The call will be routed to the appropriate port based on the directory number entered under the local directory number LDN prompt See the section Setting the Terminal ID on page 32 for more detail on entering SPID numbers RECOMMENDED
83. expired Bonding timer TXFA1 expired other vendor s BONDING equip ment did not operate properly TX FLOW ERROR Flow control needs to be enabled TXFA2 expired Bonding timer TXFA2 expired other vendors BONDING equip ment did not operate properly 6120005 1L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 107 Appendix C Status Buffer Messages TXINIT expired Bonding timer TXINIT expired called non BONDING equipment or B channel not error free UNASSIGNED_NUMBER The phone number dialed does not exist Unknown AT amp cmd User issued an unknown AT command UNSPECIFIED CAUSE Received a cause message from the network that is not under stood Unsupported baud The ISU 2x64 does not support the negotiated baud rate USER BUSY The dialed number is busy V120 timeout The far end unit is not set up for V 120 or B channel not error free V120 connected The V 120 rate adaptation successfully connected to the far end unit WRONG MESSAGE Call control error WRONG MSG FOR STATE Call control error 108 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix D S Register List SO AUTO ANSWER 92 BREAK IN CHARACTER MEE END OF LINE CHARACTER SR sc LINE FEED CHARACTER SD BACK SPACE CHARACTER Determines how the ISU 2x64 answers an incoming call 0 Disable ISU 2x64 does not answer call 1 Enable ISU 2x64 answers all calls default 2 Dump all calls Dete
84. for Dial Line operation not Leased Line TSU 2x64 UIFC dte 2 Dial Menu 1 Hang up line 2 Dial number 3 Redial last 4 Answer Call 5 Dial stored 5 Store Review Select Enter SELECT Esc NO CHANGE Ctl P PORT Ctl U STATUS CtI T TEST cti C CONFIG Ctl D DIAL Ctl x EXIT Figure 7 1 VT 100 Dial Options Screen 1 Hang up line 2 Dial number ASDIAL 3 Redial last 4 Answer Call 5 Dial stored 6 Store Review Figure 7 2 Dial Menu Tree 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 63 Chapter 7 Dial Options Hang up line Terminates current call Dial number Enter and dial a number from the keypad If an error is made press the Down arrow to edit the number After the number is entered press Enter to dial the number and save as stored num ber 9 for redialing purposes Redial last Redial the last number called or attempted from the front panel This number is saved as stored number 9 from the last attempted phone call Answer Call Selectively answer incoming calls when Auto answer is configured for disable Auto answer is described in the section Setting Auto Answer Dial stored Dial one of ten stored phone numbers The Up and Down arrows permit viewing selection of a stored number Press Enter to dial number and save as stored number 9 SN9 for redial purposes Store Review Enter and review stored numbers Press the Up and Down arr
85. ful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio frequencies Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Shielded cables must be used with this unit to ensure compliance with Class A FCC limits Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment W ARNING CANADIAN EMISSIONS REQUIREMENTS This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus as set out in the interference causing equipment standard entitled Digital Appara tus ICES 003 of the Department of Communications Cet appareil numerique respecte les limites de bruits radioelectriques applicables aux appareils numeriques de Class A prescrites dans la norme sur le materiel brouilleur Appareils Numer iques NMB 003 edictee par le ministre des Communications CANADIAN EQUIPMENT LIMITATIONS Notice The Canadian Industry and Science Canada label identifies certified equipment This certification means that the equipment meets certain telecommunications network protective operational
86. g and as dual mo dem replacement 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 1 Chapter 1 Understanding ISDN and the ISU 2x64 The ISU 2x64 features two RS 530 EIA 232 DTE interfaces and two RS 366 dial interfaces see Figure 1 1 An RS 530 EIA 232 to V 35 adapter is available to support V 35 DTE interfaces Syn chronous data transfer rates from 2400 bps to 128 kbps and asyn chronous rates from 1200 bps to 115 2 kbps are supported on a single DTE interface Synchronous data transfer rates from 2400 bps to 64 kbps and asynchronous rates from 1200 bps to 57 6 kbps are supported when using two DTE interfaces For speeds over 64 kbps using a single DTE interface the industry standard BOND ING protocol aggregates the two 64 kbps B channels for a maxi mum of 128 kbps Dialing from the ISU 2x64 is accomplished in a variety of ways e Dialing manually from the front panel e Dialing automatically from stored numbers e Dialing through two RS 366 parallel dial interfaces as in vid eo conferencing applications Dialing over the DTE interfaces using AT command V 25 bis in band dialing used in applications such as LAN WAN bridging e Dialing when DTR is asserted some Bridge Routers raise DTR when bandwidth on their dedicated line is exceeded te ic HEAT LER Roi m E ER RARA at fn LEA EA Figure 1 1 ISU 2x64 Rear Panel 2 ISU 2x64 Dual Port ISDN Service Unit User
87. h TXADDOI 0 to 256 10 sec is default The number of seconds both endpoints waits for the additional call to be connected at the end of negotia tion before determining the BONDING call has failed When dialing overseas it may be necessary to length en this timer to allow for lower call routing 0 to 256 50 sec is default The number of seconds both endpoints attempt to equalize the network delay between the bearer chan nels before determining the BONDING call has failed 0 to 256 5 sec is default The number of seconds the answering endpoint at tempts to detect the BONDING negotiation pattern from the originating endpoint before aborting to clear channel mode It may be necessary to shorten this timer if the DTE equipment connected to the ISU 2x64 also has timer constraints for completing non BOND ING parameter negotiation 0 to 256 10 sec is default The number of seconds both endpoints attempt to ne gotiate agreeable values for bearer channels and chan nel capacities before determining the BONDING call has failed 0 to 256 5 sec is default pus the type of V 25 bis dialing used Asynchronous V 25 1 HDLC V 25 2 BISYNC V 25 ISU 2x64 Dual Port ISDN Service Unit User Manual 113 Appendix D S Register List S47 RS 366 TIME Determines the amount of time the RS 366 port waits for either EON or inactivity to terminate a dial string before gt dialing a number 0 Wait for EON only 10 Wait f
88. ial 115 2k async amp F11 Configures unit for FALLBACK 57 6k async Network Options amp LO Dial network amp L1 Leased network Calling Number Identification amp NO Number 1 Read far end phone number 1 if service subscribed from telephone company amp N1 Number 2 Read far end phone number 2 if service subscribed from telephone company 90 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix A AT Commands Command Function DTE Data Type Options amp QO DTE is async amp Q1 DTE is sync Clear To Send CTS Control Line Options amp RO Follows RTS amp R1 Forced CTS Data Set Ready DSR Control Line Options amp S0 DSR forced On amp S1 DSR if call up amp S2 DSR if link up DTE Connector Data Synchronous Data Clocking Options amp X0 Internal transmit clock amp X1 External transmit clock Assigning Stored Numbers for Dialing Options amp Z0 Stored number 0 amp Z1 Stored number 1 amp Z2 Stored number 2 amp Z3 Stored number 3 amp ZA Stored number 4 amp Z5 Stored number 5 amp Z6 Stored number 6 amp Z7 Stored number 7 amp Z8 Stored number 8 amp Z9 Stored number 9 Local Echo Options EO Disable local echo El Enable local echo Unit Identification 10 Identify unit Commands the unit to display model number n Identify software Commands the unit to display software version 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 91 Appendix A AT Commands
89. ice Unit User Manual 61200051L1 1D Chapter 5 Testing TEST OPTIONS Selecting 2 TEST from the top of the menu tree Figure 5 2 or Ctrl T from any VT 100 screen displays available local testing options this screen is shown in Figure 5 1 ISU 2XB4 UIFC dte 2 Test Menu Loopback OTE Loopback Hetw Loopback Prata Loopback Remot Test Remote Lpbk Disable Ho Rem Lpbks HEBE FEBE Lpbk Both DTEs Select Enter SELECT Esc MO CHANGE Ctl P PORT CtI U STATUS CtI T TEST Ctl C CONFIG CtI D DIAL Etl X EXIT Figure 5 1 VT 100 Test Menu Screen 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 23 Chapter 5 Testing 1 Loopback DTE 2 Loopback Netw zL k Pr 4 Loopback Remot 5 Test Remote 6 Lpbk Disable 7 NEBE FEBE 8 Software Ver __ 9 Lpbk Both DTEs 10 Test 2047 Both 1 STATUS 3 CONFIG 2 DDS Accepted 3 V 54 Accepted 4 DDS V54 Accept Figure 5 2 Test Menu Tree Loopback DTE This test causes the DTE port to loop back toward user equip ment This allows a bit error rate test BERT to be performed from the local end user equipment to the ISU 2x64 to verify proper cable connection etc Either a BERT tester or DTE data packet test must be used for this test Loopback Network This test forces the ISU 2x64 to loop back both the B1 and B2 channels toward the network This can be used to allow a far end user to perform a BERT all the way through the netw
90. ich suppresses the echo can cellers in a voice circuit Can be used to trick the switch to allow sending data over a line optioned for voice ISDN service 0 None default 1 Answer 2 Originate 3 Both S57 DDS TEST Allows an ISU 2x64 optioned as a leased line unit to respond to either DDS inband latching loopback and or V 54 loopback commands 0 NoRem Lpbks 1 DDS Accepted 2 V 54 Accepted default 3 DDS V 54 Accepted 58 CALL SCREENING Allows the ISU 2x64 to screen incoming calls 0 Answer any call default 1 Answer only calls from numbers matching those stored in SNO through SNS 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 115 Appendix D S Register List SOO ses CHANNEL RATE SS60 SPID1 LOC SS61 SPID2 LOC SS62 LDN1 LOC S563 LDN2 LOC S70 DTE MODE S71 DTE RATE S72 DATA BITS S73 DTE PARITY Sets the available network bandwidth when the ISU 2x64 is in leased mode 3 64 kbps 5 128 kbps Primary SPID string location Secondary SPID string location Primary local directory number string location Secondary local directory number string location Selects asynchronous or synchronous mode on the DTE connector 0 Asynchronous 1 Synchronous default Selects the DTE connector bit rate 1 300 3 1200 6 2400 8 4800 11 9600 15 19200 17 38400 18 48000 19 56000 20 57600 21 6
91. ictionary Numbers Accept Special Type of Number Intercom Groups Network Resource Selector Modem Pools Message Waiting Hunting InterLATA Competition Any 2 Type A 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 127 Appendix F Ordering ISDN Without IOCs For service offered from a Northern Telecom DMS 100 request a multipoint line with the following features Line Type Basic Rate Functional Electronic Key Telephone Sets EKTS No Call Appearance Handling CACH No Non Initializing Terminal No Circuit Switched Service Yes Packet Switched Service No TEI Dynamic Bearer Service Circuit Switched Voice and Data Permitted on any B Channel Packet mode data not permitted Identify your long distance carrier of choice and request circuit switched 64 kbps Clear Channel access if possible Long distance access should be provided through Ensure that the telephone company provides you with the following information for configuring the ISU 2x64 ISDN switch type e ISDN switch protocol version e ISDN phone number s e Service profile identification SPID number s with prefixes and suffixes if applicable if ISDN line is multipoint 128 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix F Ordering ISDN Without IOCs LOCAL INTERFACE REQUIREMENTS Physical Interface Local Service ISDN Basic Rate Interface BRI line U interface reference point 2B1Q line
92. iret traite tiet 75 ls AA eese ah nr ll on wa aot arenes 75 Chapter 10 Troubleshooting ss 77 I Self Test False ten iaa doin ee uda die aie ee 77 If The ISU 2x64 Does Not Read Ready ss 77 If the Wrong DTE Port Answers a Call 83 If you Cannot Connect Calls sees ene ri nn 84 Chapter 11 Specifications Network Interface nee ette URP II 85 DTE Interface notte meten tutae med ete ipee EROR 85 Dialing Selections ssss 85 Data Rates NetWork sinistre nine cx PEE ae ees ate 85 Data Rates DTE bsenibteeletrat tege o MR ne in NE 86 B Channel AggregatiOn 86 Rate Adaptation xe aether pen piae ete bared 86 Interoperability sn 86 Switch Compatibility siester desses deers ss 86 Displays i E E E A ne REOR A 87 Environmental anisi ia EEE E de 87 Physical ins Treaa ee RO 87 NS TAE N E E PA AERE AE E AA A EA 87 Appendix A AT Commands e eseeseseesoroseesesoreoroseesesoesorooresesoncorosresesonsoroorosessneoresreseese 89 Appendix B Current Status Messages ss 95 Appendix C Status Buffer Messages economics 99 Appendix D S Register List 109 Appendix E Connector Pinout ss 119 Appendix F Ordering ISDN Without IOCS ss 125 jn 135 GIOSSaty cotes tutto t e D NER OE E E INR eee RN E 137 de ssc EM 145 iv ISU 2x64 Dual Port IS
93. itch The SPID is assigned by the local phone company when the ISDN line is installed and usu ally looks similar to the phone number Obtain the SPIDs from the telephone administrator or local telephone representative The num ber of SPIDs required 0 1 or 2 depends on how the ISDN line is con figured For instance a point to point line has no SPID Multipoint lines may have one or two SPIDs If the line has only one SPID then it must be entered in SPID DTE 2 It is recommended to use two SPIDs with the ISU 2x64 with a SPID assigned to each DTE port When entering a SPID using the front panel use the Up and Down arrow keys to select between SPID DTE 1and SPID DTE 2 Press Enter to select the DTE Use the keypad to enter the SPID While keying editing a SPID the Down arrow allows backspacing through the number string to correct mistakes The Up arrow scrolls back to the last digit entered After entering each SPID press Enter To abort changes at any time press Cancel The changes are dis carded leaving the original number unchanged If entering the SPID using the VT 100 terminal select the option number corresponding to the appropriate DTE and press Return Enter the number using the keyboard and press Return to store the number Disconnect the network interface from the unit before initially entering and or altering the SPIDs or LDNs 32 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 6 Configurati
94. l ISDN 1 NEC Euro IS DN TDX10 TDX1B KDD NTT and VN4 Only available on part numbers 1200051L5 and 1200051L6 86 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 11 Specifications Display e Two line by 16 character LCD e LED Indicators RS Request to Send Indicates the DTE is ready to transmit CS Clear to Send Indicates the ISU 2x64 is ready to transmit TD Transmit Data On when the DTE is transmitting to the ISU 2x64 RD Receive Data On when the ISU 2x64 is receiving data from thefar end CD Carrier Detect On when the ISU 2x64 is ready to transmit data TR Data Terminal Ready from DTE On when DTR is active at the DTE interface SR DataSet Ready Environmental e Operating Temperature 0 to 50 C e Storage Temperature 20 to 70 C e Relative Humidity Up to 95 non condensing Physical e 2 25 high x 8 75 wide x 11 00 deep 3 lbs Power e 115 VAC 60 Hz 8 W maximum dissipation part numbers 120005111 1200051L2 and 1200051L5 e 220VAC 50 Hz 10 W maximum dissipation part numbers 1200051L3 and 1200051L4 e 230 VAC 50Hz 10 W maximum dissipation part number 1200051L6 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 87 Chapter 11 Specifications 88 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix A AT Commands Command mn of UD gt This Appendix lists the supported AT commands and des
95. l equipment The portion of a data terminal that interfaces to the end user s equipment The main difference between DCE and DTE is that pins 2 and 3 are reversed on the EIA 232 Frame A group of bits sent serially over a communications channel Generally a local transmission unit sent between data link layer entities that contains its own con trol information for addressing and error checking The basic data transmission unit is employed with bit oriented protocols similar to blocks In video transmis sion a set of electron scan lines that comprise a television picture usually 525 in the U S in band signalling Signalling made up of tones which pass within the voice frequency band and are carried along the same circuit as the talk path being established by the signals Vir tually all signalling request for service dialing disconnect etc in the U S is in band signalling Most of that signalling is MF multi frequency dialing The more modern form of signalling is out of band information element The name for the data fields within an ISDN Layer 3 message interface A common boundary between two systems over which the inter system commu nication occurs interworking Communication between two types of networks or end equipment This may or may not involve a difference in signalling or protocol elements supported 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 139 Glossary ISDN Integrated servi
96. ls the operation of the Data Set Ready signal on the DTE connectors 0 Force DSR on always default 1 DSR active only during a call 2 DSR active only when network interface is on Controls the operation of the Carrier Detect line on the DTE connectors 0 Force CD on always 1 CD is active during a call default 2 LOCD 3 OffLink Down Determines how the ISU 2x64 responds to changes in DTR Ignore DTR default Force AT command mode when DTR is off Dump incoming call when DTR is off Hang up incoming call when DTR is off Hang up outgoing call when DTR is off Dial 0 if on Dial Answer if on Off on dial 40 ND amp amp ND nm N Determines which is the current operating DTE con nector Q0 RS 530 connector default 1 V 35 connector 2 ElA 232 Specifies the number of seconds the originating end point attempts to detect the BONDING negotiation pattern from the answering endpoint before deter mining the BONDING call has failed 0 to 256 10 sec is default 112 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix D S Register List BOND TXADDO1 BOND TXDEQ BOND TANULL Specifies the number of seconds both endpoints at tempt to detect the BONDING frame pattern when a call is connected before deciding the BONDING call has failed When operating with other manufacturer s BONDING equipment it may be necessary to length en this timer to matc
97. ming call INCOMPATIBLE_DEST The called number cannot accept the type of call that has been placed INTRWORKING_UNSPEC A message was sent by a far end network that was not under stood INVALID CALL REF Call control error 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 103 Appendix C Status Buffer Messages INVALID ELEM CONTENTS Call control error INVALID MSG UNSPEC Invalid message protocol error INVALID NUMBER FORMAT The dialed number has an invalid format L1 not up Call has been attempted while the network interface is not active L2 not up Call has been attempted while the data link layer interface is not active L3 not up Call has been attempted while the call control interface is not ac tive L2 2 not up Call has been attempted while the data link layer interface for a second call BONDING is not active L3 2 not up Call has been attempted while the call control layer interface for a second call BONDING is not active LDN TOO LONG The local directory number entered has too many digits MANDATORY IE LEN ERR Mandatory information element length error MANDATORY IE MISSING Mandatory information element missing Need 2 B chan The DTE bit rate requires the BONDING protocol 104 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix C Status Buffer Messages Need 64K call The BONDING protocol requires the ISU 2x64 to be configured for
98. mode iet noe Synchronous DTE connector bit rate 128 kbps DTE flow control e n aS none RTS nes anieqi ettet 1 mS delay CTS Ihe ee ee ne Ner ede Forced On Transmit data clock Internal clock source BONDING timer TXINIT sossoesseeseeeesseresrrsrsserssrseee 10 seconds BONDING timer TXFA 10 seconds BONDING timer TXADDO1I eerte 50 seconds BONDING timer TXDEO eere 50 seconds BONDING timer TANULL ct 10 seconds BONDING timer TCID eerte 5 seconds Dial 57 6 asyn When the ISU 2x64 is configured for Dial 57 6 asyn service the fol lowing parameters are automatically preset Service TYPE vecinos ino ISDN Dial line ISDN call ty penita acorta 64 kbps data Data Protocol sere tee een etes V 120 DTE mode nette Deme itae Asynchronous Data Bits Nm nn io e eere tinis 8 Parity Bits ree eed na none SHOP Bits need eee RIA eH IRR HERI DIEI ene 1 DTE connector bit rate 57 6 kbps DTE flow control ss none RES Mesina 1 mS delay CTS inesset S Misa cies Migs tasl OO Forced On Dialing Mode sss AT Commands 68 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 8 Quick Setup Dial 115 2 asyn When the ISU 2x64 is configured for Dial 115 2 asyn service the following parameters are automatically preset Service type ioni eee dns ee ERR ISDN dial line ISDN call types times 64 kbps data Protocoles e BONDING mode 1 DTE AAA ete Asynchronous Data Bit Re tab UENIRE versa
99. n for different users by statistically multiplexing them over the same transmission facilities ISDN packet mode capa bilities are based on CCITT Recommendation X 25 procedures point to point Describing a circuit connecting two points directly with no intermediate process ing nodes or computers although ane facilities could exist A type of con nection that links two logical entities i e phone line circuit S interface S reference point The interface that connects an ISDN terminal TE1 or Terminal Adapter TA to the NT2 reference point as defined in the I 411 Recommendation SPCS stored program controlled switch A digital switch that supports call control rout ing and supplementary services provision under software control All ISDN switches are SPCSs SDLC synchronous data link control A data communications line protocol associated with the IBM System Network Architecture SDLC is a bit oriented protocol not a character oriented protocol that includes multiple block error checking and full duplex line operation sync bits Framing or synchronizing bits in synchronous transmission 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 141 Glossary synchronous 1 The condition occurring when two events happen in a specific time relationship with each other both under control of a master clock 2 A method of data trans mission requiring the transmission of timing pulses to keep the sender and receiv
100. n rss none RTS neis hunter sia 1 mS delay CTS Me us intr ee pa iei tees Forced on Transmit data clock Normal clock source V 54 Loopbacks eses Accepted Dial 112K sync When the ISU 2x64 is configured for Dial 112K sync service the following parameters are automatically preset Service tVpe comet e Ere een eet ISDN dial line Automatic answering ccocncococnconnnnnonononcnnnnnnnonononnnononononcnoa Enabled ISDN Gall ty pe ertt dette teet 56 kbps data Data protocol BONDING mode 1 PTE MOTE eer a Eea dire ite rris is Synchronous DTE connector bit rate 112 kbps DTE4fl w control zx apte ere RN none RTS UM tnt eden eed edet tee 1 mS delay ES teer desc cecal essed ER chases ot Forced On Transmit data clock Internal clock source BONDING timer TXINIT eeseeeeentree 10 seconds BONDING timer TXFA eene 10 seconds BONDING timer TXADDOI eere 50 seconds BONDING timer TXDEQ eene 50 seconds BONDING timer TANULL eene 10 seconds BONDING timer TCID eee 5 seconds 61200051LT 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 67 Chapter 8 Quick Setup Dial 128K sync When the ISU 2x64 is configured for Dial 128K sync service the following parameters are automatically preset Service type cese ei etin eere tite ISDN dial line Automatic ANSWETING Enabled ISDN Call types hane nets 64 kbps data Data protocol BONDING mode 1 DTE
101. n the ISU 2x64 Loopback Both DTEs Choosing this option loops back both DTE ports simultaneously Test 2047 Both Choosing this option is similar to Test Remote except both ports are tested simultaneously Press Cancel to exit any of these options 26 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 6 Configuration DIAL LINE OPERATION 3 CONFIG This section explains how to configure the ISU 2x64 when using ISDN Basic Rate switched service Figure 6 3 illustrates the entire menu tree The following are step by step procedures for configuring the unit for dial line operation switch protocol call type terminal ID dial options auto answer answer tone connect timeout call screening and SBus termination To dial calls over the ISDN the unit must be configured for Dial Line The menu path to select Dial Line operation is shown in Fig ure 6 1 1 Dial Line 1 Netw options 2 Leased Line 2 DTE options 3 Protocol 4 Quick setup 5 Security 6 Remote Config Figure 6 1 Dial Line Menu Tree When using a VT 100 terminal press Ctrl C to access the Con figuration screen then set the Line type option to Dial Line The screen appears as shown in Figure 6 2 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 27 Chapter 6 Configuration 1 Netw options 23 Switch Protocl 37 Call type Da 4 SPIO DTE 2 55 LON DTE 2 bi Busuldut Port 75 Dial options 8 Au
102. nchronous DTE not set V25 The DTE equipment is not optioned for the same bit rate as the ISU 2x64 for V 25 bis dialing DTR not up ISU 2x64 tried to place a call in a dialing mode that requires DTR to be in an active state but it is not Dump call ISU 2x64 could not accept an incoming call because it was already involved ina call Dump1 2 An incoming call on either the first or second channel was discard ed by the ISU The calling number is displayed if available FACILITY_NOT_IMPLEMENT The network does not support the requested supplementary ser vice 102 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix C Status Buffer Messages FACILITY_REJECTED A facility requested cannot be provided by the network FACILITY_NOT_SUBSCRIBED The channel type requested has not been subscribed FALLBACK ERROR Attempt to fallback to normal mode failed FBW disconnect BONDING negotiation has failed due to a disconnect on a B Channel FlowCtl mismatch Bonding negotiation determined a flow control mismatch FlowCtl required Bonding negotiation determined that flow control needs to be op tioned on Hangup1 2 The call on either the first or second channel was disconnected by the ISU 2x64 The far end phone number is also displayed InCmptblFound TLINK end to end negotiations found an optioning incompatibil ity between the two end units INCOMMING CALL BARRED The network will not allow an inco
103. ng ISDN without IOCs 125 outgoing tone 44 out of band RS 366 dialing 16 P physical specifications 87 pinouts 61200051LT 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 147 Index maintenance connector 123 RJ 45 dial line connector S T inter face 123 RJ 45 dial line connector U interface 122 RS 366 122 RS 530 120 V 35 121 point to point async to sync 61 point to point protocol 62 power 87 PPP async to sync 61 PPP protocol 62 PPP with compression 62 protocol options setting 55 Q quick setup configuration 65 quick setup menu tree 65 quick setup 65 66 rate adaptation protocols 60 rate adaption 86 rear panel 2 recommended operating protocols 6 redial last 64 register SPID 2 82 remote config 74 remote config menu tree 74 RJ 45 dial line connector S T interface 123 RJ 45 dial line connector U interface 122 RS 366 dialing out of band 16 RS 366 interface 121 122 RS 366 interface 85 RS 530 interface 120 RS 530 to V 35 adapters 14 RTS options 51 S SAP 59 Sbus termination 46 49 security 73 security menu tree 73 self test fails 77 set password 74 75 setting answer tone 43 setting auto answer 42 setting call screening 45 setting connect timeout 45 setting protocol options 55 setting the busy out port 33 setting the call type 31 setting the dial options 34 setting the LDN 33 setting the SPID 32 setting the switch protocol 28 setting the terminal ID 32 single port operation 4
104. not successful the front panel displays Disconnect followed by Ready At this point the unit is ready for another call The status buffer can be examined to find the reason for an unsuccessful call To end an active call with the AT command processor press the break in key sequence or the redefined key then type ATH and press Enter to hang up the line 38 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 6 Configuration V 25 1 Netw options 2 Leased Line 4 Busy Out 3 CONFIG 2 DTE options 3 Protocol 5 Security 4 Quick setup Configuring the ISU 2x64 for V 25 bis see Figure 6 5 enables inband dialing over a DTE interface using asynchronous or syn chronous V 25 bis commands V 25 bis can be used to establish and end a call Disconnecting calls can also be done from the front panel as described previously from a VT 100 terminal or from the far end unit V 25 bis dialing is used primarily by DTE with synchronous inter faces HDLC SDLC or BSC BISYNC not supporting the AT command set which is commonly used by asynchronous devices The ISU 2x64 supports V 25 bis inband dialing in accor dance with Fascicle V III V 25 bis Malaga Torremolinos 1984 Melbourne 1988 1 Switch protocl 2 Call type 1 Dial Line 3 Temind D 1 Front Panel 12V 25 HDLC 5 Dial options 6 Auto answer 7 Answer tone 8 Connect Timout 4 V 25 HDLC FLAG 5 Disabled 6 Remote Config
105. number of bytes transmitted on the top line and the number of errored bytes received on the lower line of the front panel display Pressing 0 will clear the counts Pressing the Cancel key ends the test Pressing the down arrow will loop down the remote unit allowing a test to a loopback plug Pressing 2 will insert errors Loopback Disable The following options are available in Loopback Disable No Rem Lpbks The ISU 2x64 ignores all V 54 and DDS loopback commands DDS Accepted The ISU 2x64 responds to DDS latching loopback commands This option only takes effect if the unit is in Leased Line mode V 54 Accepted The ISU responds to V 54 loopback commands DDS V54 Accept The ISU 2x64 responds to both DDS latching loopback commands Leased Line mode only and V 54 loopback commands 6120005 1L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 25 Chapter 5 Testing The ISU 2x64 must be optioned for Clear Channel operation for DDS NOTE and V 54 loopbacks to take effect NEBE FEBE This test reports the quality of the network connection between the T 1 and the switch by viewing the number of near end block errors NEBE and far end block errors FEBE occurring on the ISDN interface An incrementing count in NEBE means the prob lem is in the direction of the NT 1 An incrementing count in FEBE means the problem is in the direction of the switch Software Version This test determines the software version in use o
106. on Setting the LDN NOTE This option allows the entry of 0 1 or 2 LDNs The LDN is used when receiving BONDING calls or receiving separate calls for each DTE connection The LDN is the seven digit local phone number assigned to the line When entering an LDN using the front panel use the Up and Down arrow keys to select between LDN DTE 1and LDN DTE 2 Press Enter to select the DTE Use the keypad to enter the LDN The Up and Down arrow keys edit the number if nec essary To store the number press Enter To cancel a number use the Down arrow to backspace through the number then press Enter After entering each LDN press Enter To abort changes at any time press Cancel The changes are discarded leaving the original number unchanged When using a VT 100 terminal select the option number corre sponding to the appropriate DTE and press Return SPID and LDN numbers are entered in pairs and should not be crossed between the two DTE ports Each SPID has a unique LDN Enter a SPID LDN pair for DTE 1 and a separate SPID LDN for DTE 2 Ensure that the SPID for DTE 1 matches the LDN for DTE 1 and the SPID for DTE 2 matches the LDN for DTE 2 Disconnect the network interface from the unit before initially entering and or altering the SPIDs or LDNs Setting the Busy Out Port The Busy Out Port is recommended for use in Hunt Group appli cations only This option allows the ISU 2x64 to command the switch to no longer route calls to
107. on is not determined by the timing of a previous character Applications include communication between most small computers especially PCs and mainframes lower speed transmission and less expensive computer transmission systems See Synchronous B channel 64 kbps bearer channel used for voice circuit or packet switched data bandwidth The range of electrical frequencies a device is capable of handling The amount of bandwidth a channel is capable of carrying tells you what kinds of communica tions can be carried on it For example a wide band circuit can carry a TV channel A wide band circuit that is capable of providing one video channel can also pro vide 1 200 voice telephone channels bearer service As defined by CCITT standards a type of telecommunication service that provides the capability for the transmission of information between user to network inter faces Bearer services defined for ISDN are circuit mode and packet mode BONDING mode 1 protocol Industry standard B channel aggregation protocol Developed by the Bandwidth on Demand Interoperability Group BRA basic rate access The BRA includes two 64 kbps B channels and one 16 kbps D channel Also known as Basic Rate Interface BRI bridging The technique whereby additional stations may be served from a two point facility by extending the facility from a bridge at one of the facility s terminating points 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit Us
108. onal monthly expense associated with having voice service on each B channel If you have a data only 6120005 1L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 9 Chapter 2 ISDN Service application then Capability R previously Generic Data I may be more cost effective ADTRAN has registered the following ISDN ordering codes to support a variety of tariffs and applications Capability S previously Generic Data M Applications 2B service Both B channels alternating voice and data Two directory numbers Host data center internet access bulletin board and modem pooling applications Modem capability Generic data transfer including remote access and LAN WAN connectivity and telecommuting Capability R previously Generic Data 1 Applications 2B service Data only Two directory numbers Host data center internet access bulletin board and modem pooling applications Data only applications no modem capability Data transfer applications including remote access and LAN WAN connectivity telecommuting ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 2 ISDN Service B1 previously Generic Data B e 1B service e Data only e One directory number Capability C previously Generic Data C e 1B service e Alternating voice and data e One directory number I2 previously Generic Data I 1DN e 2B service e Data only e One directory number I2 is not available for
109. onfig 7 Answer tone 1 Answer any 8 Connect Timout 2 Ansr if SNO 9 9 Call Screening 10 SBus Terminati Figure 6 11 Call Screening Menu Tree 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 45 Chapter 6 Configuration When Call Screening is set to Ansr if SNO 9 an incoming call is not answered if the Call ID received from the switch does not match a stored number Depending on the switch type the Call ID may be presented in either a seven or ten digit format The ISU 2x64 displays the Call ID for all dumped calls in the Status Buffer See Status Buffer on page 20 for more information Because different switches handle calls and Call ID differently first find out if the switch uses a seven or ten digit Call ID for mat Use the following procedure to determine if a seven or ten digit Call ID phone number should be stored 1 Select Ansr if SNO 9 under Call Screening 2 Storethe seven digit number in SNO 3 Place a call to the ISU 2x64 with the stored number to see if it answers properly 4 If the ISU 2x64 does not answer the call check the Call ID message in the Status Buffer More than likely the Call ID number will be a ten digit number 5 Reenter the number in SNO as it is displayed in the Call ID message and test Call Screening again SBus Termination Use the SBus Termination option see Figure 6 12 to select 100 ohm termination resistors for the S T interface on ISU
110. ong with the translation of the line The phone service provider should be able to help 3 If the ISU 2x64 continues to display Link Down there is a physical problem with the phone line more than likely a problem with the layer 1 setup The problem is in one or more of the following places The ISU 2x64 software setup The ISU 2x64 hardware The wiring on your premises The telephone service provider s wiring The telephone service provider s hardware The telephone service provider s software setup To isolate the problem perform the following procedure A Ensure the ISDN line is plugged into the ISU 2x64 con nector marked ISDN IFC on the back of the ISU 2x64 B Ensure the ISU 2x64 is configured for dial line service C Try another piece of functioning ISDN equipment on the line 78 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 10 Troubleshooting D Talkto the service provider and ensure you have an ISDN Basic Rate U Interface with 2B1Q line coding wrong options are an S or T interface or AMI line cod ing when using ISU 2x64 part number 1200051L1 or 1200051L3 If your ISDN line is extended from a PBX with anS T line card make sure you are using ISU 2x64 part number 1200051L2 1200051L4 1200051L5 or 1200051L6 E Ensure that the phone line is connected to the actual telephone line or PBX provided by your telephone com pany If using ISU 2x64 part number 1200051L1 or 1200051
111. op of the menu tree displays the contents of the status buffer The Up and Down arrow keys allow the viewing of the last fifty status messages generated during the operation of the unit An explanation of Status Buffer Messages can be found in Status Buffer Messages on page 99 Pressing the Cancel key returns you to the top of the menu Pressing the 0 key will clear the entries from the status buffer 20 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 4 Operation Status Screen UNIT LOOP STATUS Call Type OTE Rate OTE Format Test Status Self Test Software Frew Checksum Loop Status Hum Dialed ATS CTS oco OTR DSR Ctl P PORT CtI U To determine the current status of the unit press Ctrl V to access the Status Screen see Figure 4 2 The Status Screen displays unit information such as the loop status software revision the result of the initial self test and the status buffer messages An expla nation of status buffer messages can be found in Status Buffer Messages on page 99 ISU 2xX64 UIFC dte 82 Status Menu STATUS BUFFER EMPTY EMPTY EMPTY EMPTY EMPTY EMPTY EMPTY EMPTY EMPTY EMPTY EMPTY EMPTY EMPTY EMPTY EMPTY EMPTY EMPTY EMPTY EMPTY EMPTY Data B4Ebps 6446 Synchronous Ho Test Passed 0 41 cH 5 38f Link down Ho Call off on off off Orn STATUS Ctl T TEST CONFIG Etl D DIAL Ctl X EXIT Figure 4 VT 100 Status Screen 61200051L1 1D ISU
112. or 1 second or EON 20 Wait for 2 seconds or EON 50 Wait for 5 seconds or EON default 100 Wait for 10 seconds or EON 200 Wait for 20 seconds or EON S50 LINE MODE Selects the operating mode of the ISU 2x64 0 Dial service switched service default 1 Leased service non switched service S5 LINE CLOCK Selects the clock mode in leased mode 0 Slave default 1 Master Leased line only LDM application only 52 SWITCH TYPE Selects the network switch type for dial service 0 AT amp T 5ESS default 1 Northern Telecom DMS 100 2 National ISDN 1 3 NEC 4 Euro ISDN 5 VN4 6 TDX10 7 TDX1B 8 KDD 9 NTT Only available on part numbers 1200051L5 and 1200051L6 S53 CALL TYPE Call type 0 Speech 1 Audio 2 56 kbps data 3 64 kbps data default 5 128 kbps data 114 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix D S Register List S54 PROTOCOL Rate adaptation protocol type TYPE Clear Channel no rate adaptation default BONDING mode 1 SAP Simple Asynchronous Protocol T link V 110 V 120 DSU 57 6 kpbs asynchronous FALLBACK PPP 1 2 3 4 5 6 9 1 1 1 2 55 DIAL MODE Selects dialing interface 0 Front panel only dialing from front panel is al ways available default 1 RS 366 dialing port 2 AT commands 3 V 25 bis dialing S56 ECHO TONE Enables an echo tone wh
113. or the RS 530 EIA 232 interfaces If using the RS 530 to V 35 adapter and connected to a full specification V 35 interface the maximum recommended cable length is 15 feet The pin assignments for the DTE inter faces are shown in Connector Pinouts on page 119 Be sure to con figure the menu option for the connector type used in your application See DTE Options for Asynchronous and Synchronous Operation on page 50 The RS 530 EIA 232 interface and the RS 530 to V 35 interface supports data rates up to 128 kbps The DTE rate is configured from the front panel of the ISU 2x64 or by using AT commands See Configuration to configure the ISU 2x64 with the appropriate data rates for your application To prevent possible radio frequency interference emissions a shielded V 35 cable is required ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 3 Installation MAINTENANCE INTERFACE dte 2 gt 17 The Maintenance interface is available at 9600 bps 8 data bits no parity no flow control asynchronous format through the Mainte nance port See Connector Pinouts on page 119 for the pinout of the Maintenance port A VT 100 terminal or null modem can be connected to the Maintenance port using an EIA 232 cable This interface can be used to set internal S registers dial ISDN connec tions and disconnect calls This port also allows ADTRAN Tech nical Support personnel to retrieve vital information from the unit if a
114. ork Loopback Protocol This test causes data to be looped back toward the network after passing through a selected protocol such as T Link or BONDING See Figure 5 3 for loopback points gt IL NET RATE Protocol DTE DTE NETWORK Network ADAPTION DIE IFCE IFCE 4 4 J4 4 Figure 5 3 Loopback Points 24 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 5 Testing Loopback Remote Test Remote This test causes the ISU 2x64 to issue a V 54 inband loopback command to a far end unit External test equipment must be used to generate check test patterns To use this feature both units must be configured for Clear Channel operation and the far end unit must be able to respond to V 54 loopback commands See Setting Protocol Options on page 55 to configure the unit for Clear Channel operation Press Cancel to end the test This test causes the ISU 2x64 to issue a V 54 inband loopback com mand to a far end unit and BERT test the link using a built in pattern generator checker This allows a circuit to be tested without any extra test equipment To use this feature both units must be config ured for Clear Channel operation and the far end unit must be able to respond to V 54 loopback commands See the section Setting Pro tocol Options to configure the unit for Clear Channel operation The built in 2047 pattern generator checker displays the
115. oup and tell them you have an ISDN basic rate line that appears physically okay but is unable to register its SPID s Ask them to check the line translation ensure that the ISDN line supports dynamic TEI allocation and verify the SPID s If using the ISU 2x64 part number 1200051L1 or 1200051L3 with the U interface tell them that you have an NT1 and terminal adapter device con nected to the line 6 If the ISU 2x64 continuously reads Getting TEI 2 the ISU 2x64 has completely initialized the first phone number but is unable to establish logical layer 2 for the second phone num ber The problem is in one or both of the following places e The ISU 2x64 software setup e The telephone service provider s software setup To isolate the problem perform the following procedure A Ensure the ISDN line is multipoint with two phone numbers Ensure that the ISU 2x64 is set up with the correct SPIDs and LDNs Try swapping SPID1 with SPID2 and LDN1 with LDN2 Determine if the problem is the second phone number or the quantity of phone numbers Try another piece of functioning ISDN equipment on the ISDN line With the ISU 2x64 connected to the ISDN line and pow ered up talk to the service provider s repair group and tell them you have an ISDN basic rate line that appears phys ically okay but has no terminal endpoint identifier TED Ask them to check the line translation and ensure that the ISDN line supports dynamic TEI allocation
116. ows to scroll through the 10 stored numbers SNO SN9 To store a number scroll to the desired stored number location enter the number to be stored and press Enter to save the number If an error is made use the Up and Down arrows to edit the num ber Press Enter to save the number and exit Press Cancel to exit without changing the number 64 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 8 QUICK SETUP CONFIGURATION Quick Setup To configure the DTE Options quickly and easily the Quick Set up menu is available to automatically set up the nine most com mon DTE configurations See Figure 8 1 For fine tuning a particular application and DTE settings see DTE Options for Asyn chronous and Synchronous Operation on page 50 for step by step procedures for detailed configuration of the DTE Options 2 DTE options 3 Protocol 4 Quick setup 5 Security 3 CONFIG 1 Netw options 6 Remote Config 1 Dial 56K sync 2 Dial 64K sync 3 Dial 112K sync 4 Dial 128K sync 5 Dial 57 6 asyn 6 Dial 115 2 asy 7 Fallback 57 6k 8 Leased 64K 9 Ldm 64K Master Figure 8 1 Quick Setup Menu Tree 6120005 1L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 65 Chapter 8 Quick Setup Quick Setup NOTE To aid in configuring the ISU 2x64 nine common configurations are preset for Quick Setup These include Synchronous dial operation for 56 64 112 an
117. rate 64 kbps DTE flow conttol 214 tetti eren none RTS ifie sais pietre 1 ms delay ETS Une tenen SML Forced CTS CD nes MC TT Normal DSR line 4er da ee etie enin Forced on Transmit Data Clock Normal clock source BONDING timer TXINIT eee 10 seconds BONDING timer TXFA eese 10 seconds BONDING timer TXADDOI eere 10 seconds BONDING timer TXDEQ eene 50 seconds BONDING timer TANULL erre 50 seconds BONDING timer TXID cooonnncnononnnonnnonnnocancnnnncnnnnrnnocnnass 5 seconds AT Command Escape character AT Command End of Line character value 13 AT Command Line Feed character Value 10 AT Command Backspace character value 8 RS 366 Dialing Default 5 seconds or EON Automatic Answering sse Enabled AT Command Guard time ss 1 second AT Command Miscellaneous Bits S register 14 10 AT Command MSG Bits S register 22 16 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 71 Chapter 8 Quick Setup 72 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 9 Security and Remote Configuration SECURITY The ISU 2x64 provides a front panel keypad locking feature to pre vent tampering with configuration settings The feature requires a password to access menus below the top Current Status menu level The menu options are shown in Figure 9 1
118. rface part numbers 1200051L2 1200051L4 1200051L5 and 1200051L6 DTE Interface e Two DB 25s each RS 530 EIA 232 interfaces V 35 interfaces available with RS 530 to V 35 adapters part number 1200072L1 Dialing Selections e In band DTE Dialing V 25 bis or AT commands e Dial Interfaces Two RS 366 interfaces DB 25s e Manual or automatic stored number dialing DTR Assertion e Front panel manual dialing Data Rates Network e 64 kbps 1 B channel 128 kbps 2 B channels 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 85 Chapter 11 Specifications Data Rates DTE When using single DTE interface e 300 bps to 115 2 kbps asynchronous e 2400 bps to 128 kbps synchronous When using dual DTE interfaces e 300 bps to 57 6 kbps asynchronous on each interface e 2400 bps to 64 kbps synchronous on each interface B Channel Aggregation BONDING Protocol Mode 1 Used for speeds over 64 kbps from a single DTE interface e RFC 1717 Multilink PPP used for speeds over 57 6 kbps for a single DTE interface Rate Adaptation T Link CCITT V 120 CCITT V 110 Clear Channel SAP FALLBACK DSU 57 6 Async BONDING mode 1 PPP Async Sync Multilink PPP Interoperability BONDING Mode 1 compatible Inverse Multiplexers AS CEND PROMPTUS Teleos etc e Switched 56 DSUs 2 wire and 4 wire ISU 128s ISDN TAs e PPP Multilink compatible devices Switch Compatibility e AT amp T 5ESS NTI DMS 100 Nationa
119. rmines which key or character in ASCII code defines the escape command The standard escape character is a sign ASCII value of 43 decimal To change the character set set S2 to the desired ASCII value Range 0 to 127 Determines which key or character in ASCII code ends a command line The standard end of line char acter is the carriage return ASCII value of 13 deci mal Range 0 to 127 Determines which key or character in ASCII code advances the cursor to the next line after ending a command line or after an ISU 2x64 message The stan dard character is the line feed ASCII value of 10 dec imal Range 0 to 127 Determines which key moves the cursor back one space to erase a character The standard character is the backspace ASCII value of 8 decimal Range 0 to 127 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 109 Appendix D S Register List S6 DTR DIAL DELAY Delay time in minutes between consecutive outgoing calls when DTR is set for Dial 0 if on option Sita CONNECT TIME Determines how long the ISU 2x64 waits for an out going call to be answered 15 15 seconds 30 30 seconds default 60 1 minute 120 2 minutes 240 4 minutes S9 uus CLEAR CHAN DELAY The value multiplied by eight determines the number of bytes between receive data and transmit data S10 DISABLE REMOTE Disables the two second delay at the beginning of CONFIG each incoming call that
120. rnate Mark Inversion B Channel A 64 kbps digital information channel BONDING Bandwidth On Demand Interoperability Group bps Bits per second BRI Basic Rate Interface CCITT Consultative Committee for International Telegraphy and Te lephony CD Carrier Detect CIC Connect Incoming Call CTS Clear to Send DCE Data Communications Equipment DMS Digital Multiplex Switching DSR Data Set Ready DTE Data Terminal Equipment EKTS Electronic Key Telephone Service FAX Facsimile HLC High Layer Compatibility ID Identification IFCE Inteface IO Input Output ISDN Integrated Services Digital Network ISO International Standardization Organization kbps Kilobits per second kHz Kilohertz LAN Local Area Network LDN Local Directory Number Mbps Megabits per second NT1 Network Termination 1 PBX Private Branch Exchange PC Personal Computer 6120005 1L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 135 Acronyms PRI SPCS SPID TA TE TEI WAN Primary Rate Interface Stored Program Controlled Switching System Service Profile Identifier Terminal Adapter Terminal Equipment Terminal Endpoint Identifier Wide Area Network 136 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Glossary asynchronous transmission Not Synchronous A method of data transmission which allows characters to be sent at irregular intervals by preceding each character with a start bit and following it with a stop bit The timing of the transmissi
121. rotocol corrects any delays existing between the two bearer channels and presents a single high speed data channel to the DTE For successful high speed operation both the near and far end DCE need to be configured to use BONDING mode 1 protocol BONDING mode 1 protocol negotiation phase has numerous timers to allow for transmission delays due to satellite hops international calls etc The timers may be adjusted if neces sary by entering into BONDING mode 1 submenu See Figure 6 22 for the menu tree 56 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 6 Configuration 3 CONFIG 1 Clear Channel 2 BONDING mode 1 1 Netw options 3 TXADDO1 2 DTE options 4 TXDEQ 3 Protocol 5 TANULL _4 Quick setup 5 DSU 57 6 ASYNC 6 TCID 5 Security 7 Async Rev 6 Remote Config 8 FALLBACK 9 PPP async sync Figure 6 22 Protocol BONDING Mode 1 Menu Tree The timers are defined as follows TXINIT This option specifies the length of time the originating endpoint attempts to detect BONDING negotiation pattern from the answering endpoint before determining the BONDING call has failed In general this timer value should be left at the factory default setting of 10 seconds Select from values of 1 2 5 10 default 20 50 100 and 200 seconds TXFA This option specifies the length of time both endpoints attempt to detect the BONDING frame pattern when a call is conn
122. s appendix as a basic guide It is easier to begin operating on a full featured line because more options are available Later features not actually used can be deleted If all of the previous features are not available compare the actual data service requirements with those which are available A likely problem is the lack of a clear trunk to provide 64 kbps unre stricted data service A solution is to use to 56 kbps service Sometimes voice circuits are suitable for data service at a reduced bit rate 5ESS Custom Line Additional Parameters The AT amp T 5ESS central office telephone switch supports a propri etary ISDN D channel call control protocol called Custom which is based on CCITT recommendations The ISU 2x64 configured for switch type AT amp T 5ESS will work with lines providing this protocol on 5ESS switches with software version 5E6 or later The ISU 2x64 supports the following configurations on 5ESS cus tom lines e Point to point with one phone number e Multipoint with one phone number e Multipoint with two phone numbers recommended configu ration The requirements for the 5ESS point to point line are defined in Table F A 130 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix F Ordering ISDN Without IOCs Table F A 5ESS Features Bl service On Demand DMD B2 service On Demand DMD Data line class PoinHo point Maximum B channels 2 umber of circuit switched voice CSV c
123. s ien ot aen edema wee Govt aerias 1 mS delay CTS He s i eene re ite teet Poco et oes Forced On Transmit data clock Normal clock source Ldm 64K Master When the ISU 2x64 is configured for a point to point application such as a Limited Distance Modem arrangement the Ldm 64K Master option automatically presets the following parameters Service LY Pe ars e RR etu miden Leased Line Network clock source eee Master Channel rate oae nd enr desidia na 64K Data Protocol x nee Recens Clear Channel DDS loopbacks enabled Yes DTE mo de x tere eei Synchronous DTE connector bit rate 64 kbps DTE flow control is none RTS lineis een nee te eee 1 mS delay CALS iMG 25 0 A epe Ite reet TO oie utter fette Forced On Transmit data clock Normal clock source 70 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 8 Quick Setup Factory Setup To restore the ISU 2x64 to the factory default setup power the unit off and perform the following steps 1 While pressing 0 power the unit on 2 Continue pressing 0 until the front panel displays the top of the menu tree 1 STATUS will be blinking Factory default erases all stored phone numbers SPIDs and LDNs and sets parameters as follows Service type isses e E e ER REGE ISDN dial line ISDN switch type ss AT amp T 5ESS ISDN call type ss 64 kbps data Dialing Mode nere ettet Front Panel Data protocol Clear Channel DTE connector bit
124. s nn 63 Front Panel Dialing Options eie recep t e i tor dee 63 Hane uper Op elis en de Mon IM Mee TRU 64 Dial NUMBER anna detinet eim tT PR a P pater Woot ab 64 CAES AAA En ares de e Lane ni E dre 64 ANS Wer CALE tmt eee ra ie eee beer in O eiie sek etse etie 64 Dialstored Hise ict eier emere etre eremo iere ti ere vlde rr nte de ide 64 Stor Z Review HE nn Re ien AID DO UTER ne 64 Chapter 8 Quick Setup ss 65 Quick Setup Configuration sens 65 Quick A A ime ete ese ode ote cess 66 Dial 5 6K A niece e HORRORE ne is ai EE 66 Dial 64K Sync aii oic ideo anal der oe der m irat ea des 67 Dial TIK By see tenter tr nene tenet seus son tee m E Rea Pe e e 67 Dial 28K SVIC iier tree tee imer tertie i iret 68 Dial 57 6 AS WIN ates diese metet eat bestehen err Fete Meet 68 Dial 1152 AS VIN E tede IRI eR ATI UE 69 Fallback b7 6k i eite teer erre tret fe te te cete repr e eo Feed se 69 Leasedi lK isc epa e tiap dopo nr dentiste titan ii ee een 70 Idi GAK Master tale 70 Factory Setup sues O 71 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual mi Table of Contents Chapter 9 Security and Remote Configuration ss 73 SO CUTIE Y ce CR 73 DEEP ASS WOK eet E NN 74 Lock Keypad ehe Ue eene iem eis tiles e det ils eet es 74 Remote Conan inaadacetuntie eM oet a iiti Mete den d ER T MUS 74 Eos RME Unbiased even tides sustento tds 75 Set Password eei dedere rn a db ne at ead 75 Lpbkxemote B etse He e deer eee HI HUE p
125. scans for remote configuration data FALLBACK protocol cannot be used when this option is set 0 Remote Config enabled 1 Remote Config disabled S12 ESCAPE TIME Determines the delay required immediately before and after entering the escape command for the ISU 2x64 to recognize and execute the command Range 0 to 127 default 1 second S14 MISC BITS Miscellaneous bits bit 8 is most significant bit Bit 2 l enables on screen echo of AT commands Bit 2 0 disables on screen echo of AT commands Bit 3 0 enables AT responses from the ISU 2x64 Bit 3 1 disables AT responses from the ISU 2x64 Bit 4 1 enables AT responses to be displayed in text form Bit 4 0 enables AT responses to be displayed in nu meric form JA ASYNC BONDING REV Determines the revision level Bonding negotiates for asynchronous connections 0 ADTRAN orginal Async Bonding 1 Multivendor Async Bonding default 110 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix D S Register List S22 MSG BITS Miscellaneous message bits bit 8 is most significant bit Bit 5 bit 6 bit 7 1 allows connect message with baud rate Bit 5 bit 6 bit 7 0 connect message without baud rate S23 MAKE BUSY Number assigned by the telephone company when FEATURE BUTTON requested by user Make Busy option is translated for NUMBER an ISDN line and the feature button number must be entered into this S r
126. sed Line 1 Netw options 2 Channel rate 2 128k 1 100 ohm On 2 100 ohm Off 3 Protocol 3 SBus Terminati 4 Quick setup 5 Security 6 Remote Config Figure 6 13 Leased Line Menu Tree Selecting Leased Line configures the unit for leased line service or service providing a permanent connection between end points such as limited distance modem or LDM service Follow this step by step procedure to configure the ISU 2x64 for Leased Line Clock mode Channel rate and S Bus Termination Clock mode Slave Master By configuring the ISU 2x64 for Master timing the ISU 2x64 can provide clocking for both ends of the phone line This Master option is intended to be used at one end of a limited distance 6120005 1L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 47 Chapter 6 Configuration modem application where two ISU 2x64 units are directly con nected without the use of channel banks see Figure 6 14 The far end unit should be configured for Slave and derives its clock ing from the ISU 2x64 configured as Master 18 kFt TS ms Mixed Gauge Wire tou o E ISU 2x64 U interface ISU 2x64 U interface DTE LDM 64 Master Leased 64K DTE Channel Rate 64K Channel Rate 64K Figure 6 14 Limited Distance Modem Applications If two ISU 2x64 units are connected through channel banks both units should be configured for Slave mode see Figure 6 15 BIMUX DP BIMUX DP or Equivalent or Equivalent
127. services provided by a Northern Telecom switch Two directory numbers are required for 2B operation In this case use Capabil NOTE ity R J3 previously Generic Data J 1DN e 2B service e 1B alternating voice data 1B data only e One directory number J3 is not available for services provided by a Northern Telecom switch Two directory numbers are required for 2B operation In this case use J2 NOTE 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 11 Chapter 2 ISDN Service J2 previously Generic Data J e 2B service e 1Balternating voice data 1B data only e Two directory numbers M5 previously Generic Data M 1DN e 2B Service e 1B alternating voice data 1B data only e One directory number M5 is not available for services provided by Northern Telecom or AT amp T switches NOTE 12 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 3 Installation After unpacking the unit immediately inspect it for possible shipping damage If damage is discovered file a claim immedi ately with the shipping carrier then contact ADTRAN Technical Support Each ISU 2x64 is provided with an eight foot power cord termi nated by a three prong plug which connects to a grounded power receptacle ADTRAN ISU 2x64 part numbers 1200051L1 1200051L2 and 1200051L5 require a grounded 115 VAC 60 Hz receptacle for power ADTRAN ISU 2x64 part numbers 1200051L3 1200051L4 and 1200051L6
128. smart dial strings 32 software version 26 specifications 85 speech 31 SPIDs 4 6 setting 32 S registers 37 38 list 109 status buffer 20 status buffer messages 90 status screen 21 store review 64 switch compatibility 86 switch protocol setting 28 148 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051LI 1D Index T TANULL 58 TCID 58 terminal ID setting 32 test 2047 both 26 test menu screen 23 test menu tree 24 test options 23 test remote 25 testing 23 T link 59 transmit clock async 53 troubleshooting 77 troubleshooting calls 84 TXADD01 57 TXDEQ 58 TXFA 57 TXINIT 57 V V 110 59 V 120 58 V 25 39 V 25 async dialing 40 V 25 bis 85 V 25 HDLC flag 42 V 25 sync bisync dialing 42 V 25 sync HDLC Dialing 41 V 35 interface 120 121 VT 100 configuration menu tree 28 VT 100 configuration screen 22 VT 100 dialing options screen 63 VT 100 maintenance help screen 15 VT 100 menu support 19 VT 100 status screen 21 VT 100 test menu screen 23 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 149 Index 150 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Product Support Information Presales Inquiries and Applications Support Please contact your local distributor ADTRAN Applications En gineering or ADTRAN Sales Applications Engineering 800 615 1176 Sales 800 827 0807 Post Sale Support Please contact your local distributor first
129. stomer of the right to file a complaint with the FCC The telephone company may make changes in its facilities equipment operations or procedures that could affect the proper operation of this equipment advance notification and the opportunity to maintain uninterrupted service is given If experiencing difficulty with this equipment please contact ADTRAN for repair and warranty information The tele phone company may require this equipment to be discon nected from the network until the problem is corrected or it is certain the equipment is not malfunctioning This unit contains no user serviceable parts An FCC compliant telephone cord with a modular plug is pro vided with this equipment In addition an FCC compliant ca ble appropriate for the dial backup option ordered is provided with this equipment This equipment is designed to be connect ed to the telephone network or premises wiring using an FCC compatible modular jack which is Part 68 compliant The following information may be required when applying to the local telephone company for leased line facilities Digital Facility Service Order Code Network Jacks Interface Code 02185 6 0F RJ 49C FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harm
130. t up the ISU 2x64 as well as establish and end a call Calls can be disconnected from the front panel as described previously or from the far end unit Do not set the unit up for AT command in synchronous applications When AT commands are selected the DTE port becomes dual purpose First while a call is not established the port accepts AT commands During this time the CD signal is inactive Second when a call is established the port is used for data This data mode is indicated by the CD signal active See the appendix AT Commands for a listing of the supported AT commands and their functions In addition to the front panel the ISU 2x64 can be con figured and controlled with inband AT commands from an asyn chronous DTE port just as modems are To exit data mode and enter command mode the asynchronous DTE device must transmit a proper escape sequence to the ISU 2x64 A specified time delay must occur between the last data character and the first escape sequence character This is the guard time delay and it can be changed by writing a value to the 512 register The default value for the guard time is one second For a valid escape sequence to occur the DTE must transmit the escape code character three times in succession with delay between each character being less than the guard time The default escape sequence is Once command mode is entered AT commands can be transmit ted to the ISU 2x64 to configure most of the options
131. table menu items and messages displayed on the LCD are represent ed in bold type as they appear on the LCD Enter Enters the selected item Up arrow Scrolls up a menu tree Down arrow Scrolls down a menu tree Cancel Exits back one level from the current branch of the menu Press either the Up or Down arrow to scroll through the menu tree To choose an item press the corresponding number on the keypad The item blinks to show it is selected Press Enter to select the item Press Cancel to exit back through the menu tree It is important to note that some features in the ISU 2x64 do not immediately take effect upon selection This prevents uninten tional reconfiguration of the ISU 2x64 during an active call S BUS termination takes effect only when the unit is powered up To ensure the ISU is actually performing as configured cycle the power off then back on again especially after changing ISDN 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 17 Chapter 4 Operation switch type SPIDs LDNs or Leased dial line Also items such as bit rate protocol and call type take effect only at the begin ning of a new call Front Panel DTE Indicators The front panel DTE indicators see Figure 4 1 reflect the status of each DTE port on the ISU 2x64 The indicators show the cur rent state of the port being displayed from the Current Status menu To change the DTE indicators between the two DTE ports use the
132. te 2 2 Synchronous 1 Bit Rate 3 Protocol n REM 1 Clear Channel dte 2 2 Connector Type ZsAsyneiRey 3 RTS Options 1 1 ms delay 1 PPP 2 18 ms dela lian 2 Multilink PPP EN i x 4 Quick setup dte t 1 Dial 56K sync 9 PPPasynsync Ann ET 4 CTS Options 1 Forced CTS Rm lal S6K sync p dte 2 2 Dial 64Ksync jeckoltows RTS 3 Dial 112K sync 5 CD Options 1 CD Forced on 4 Dial 128K sync 2 Normal 5 Dial 57 6 asyn 3 Off with LOCD 6 Dial 115 2 asy 4 Off Link Down 7 Fallback 57 6k pe ae 6 DTR Options _ 1 Ignore DTR 9 Ldm 64K Master ral 5 Security 1 Set Password Password lt gt 4 2 Lock Keypad Password Required umber lt gt 6 6 Remote Config dte 1 _ 1 Cfg Rmt Unit Password lt gt SSAMSPOn Io dte 2 2 SetPassword Password lt gt 7 DSR Options dd forced on 3 Lpbk remote 1B Number lt gt SOFE LIK Dow DIAL e Mns ang up line 4 Lpbk remote 2B Number gt II O dte 2 number 8 Transmit Clock 1 Normal edial last 2 External nswer Call ial Stored Figure 6 3 tore Review LCD Configuration Menu Tree D ISU 2x64 Dual Port ISDN Service Unit User Manual 29 KEY defi wv 7 0 L LLL LLL dte 2 This symbol means the menu items that follow can be configured for DTE 1 or DTE 2 when entering these portions of the menu tree Use the up and down ARROW keys to choose DTE 1 or DTE 2 Press ENTER to select Use the CANCEL key to back up NOTE Bold type represents default 1 Bit Rate
133. ted around each other to reduce induction interference from one wire to the other Several sets of twisted pair wires may be enclosed in a single ca ble Twisted pair is the normal cabling from a Central Office to your home or of fice or from your PBX to your office phone Twisted pair wiring comes in various thicknesses Asa mU A the thicker the cable is the better the quality of the conversation and the longer cable can be and still get acceptable conversation qual ity However the thicker it is the more it costs 142 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Glossary 2B D The basic rate interface BRI inISDN A single ISDN circuit divided into two 64 kbps digital channels for voice or data and one 16 kbps channel for low speed data up to 9 600 baud and signalling 2B D is carried on one or two pairs of wires de pending on the interface the same wire pairs that today bring a single voice circuit into your home or office See ISDN U interface A twisted pair subscriber loop that connects the NT1 reference point to the ISDN network as defined in the 1 411 Recommendation This interface provides basic rate access with an operating frequency of 160 kbps and an information rate of 144 kbps Under U S regulations this also marks the line of demarcation between cus tomer owned equipment and the public network V 32 9 6 kbps 2 wire duplex modem standard videoconferencing The real time usually two
134. ters and do not include NT1 functionality The ADTRAN ISU 2x64 International part numbers 1200051L5 and 1200051L6 also do not include NT1 functionality Name Address City State Zip Code Daytime telephone number Request an ISDN Basic Rate Interface BRI line e U interface reference point e 2B1Q line coding e 2B D Service supports up to 128 kbps The ISU 2x64 supports the following switch types and software protocols AT amp T 5ESS Custom 5E6 and later software National ISDN 1 NTI DMS 100 BCS 32 and later software PVC1 National ISDN 1 PVC2 Siemens EWSD National ISDN 1 NEC Switch NTT Protocol Euro ISDN ETS300 Protocol Request that the ISDN line allocate one dynamic terminal endpoint identifier TEI per phone number 126 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix F Ordering ISDN Without IOCs For service offered from an AT amp T 5ESS request a multipoint line with the following features Feature B1 Service B2 Service Data Line Class Maximum B Channels Circuit Switched Voice Bearer CSV Channels Value On Demand DMD On Demand DMD Multipoint 2 Any Number of CSV calls 1 recommended for testing purposes Circuit Switched Data CSD Bearer Channels Number of CSD calls Terminal Type Turn the following features off Packet Mode Data Multiline Hunt Multiple Call Appearances Electronic Key Telephone Sets EKTS Shared D
135. tion based on its local Call Type Data 64k is used for FALLBACK when selected from the Quick Setup menu Upon connection at 64k Call Type BONDING V 120 and PPP are attempted If connection is not made at 64k the ISU attempts another call at 56k Call Type If the protocol cannot be negoti ated the ISU hangs up the call Point to Point PPP Async to Sync 3 CONFIG 2 DTE options PPP provides a standard method for transporting multi protocol datagrams over point to point links The ADTRAN PPP async sync protocol allows the ISU 2X64 and a PC or Macintosh run ning PPP software to communicate with a PPP compatible bridge or router The PPP async sync protocol complies with Internet Engineering Task Force IETF RFC 1662 The menu path to select PPP is shown in Figure 6 23 The asynchronous control character map ACCM option is scanned during the negotiation When the ACCM option is seen in a configure ACK link control packet it is adopted by the ISU 2x64 In addition when the ACCM option is not seen in the con figure request packet from the network the ISU 2x64 will add it to the packet 1 Clear Channel 1 Netw options 2 BONDING mode 1 3 V 120 3 Protocol 4 V 110 4 Quick setup 5 DSU 57 6 ASYNC 5 Security 6 T LINK 6 Remote Config 7 SAP 8 FALLBACK 9 PPP async sync 1 PPP 2 Multilink PPP 3 PPP w Com Figure 6 23 PPP Menu Tree 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 61 Chapter 6
136. to answer 90 Answer tone 18 Connect Timout 11 Call Screening 123 SBus Terminati 13 DTE options 145 Bit Rate 648 152 Connector Type 163 ATS Options Select _ ISU 2XB4 lIFC dte 2 Configuration Menu Dial Line AT amp T SESS ta b4Kbps Disabled Front Panel Enabled Ho Answer tone 8H sec def Answer any on 188 ohm Off Synchronous Ae AS 252 1 ms delay 173 183 193 282 210 222 233 242 2232 252 CTS Options Forced CTS CO Options Normal OTR Options Ignore OTR DSA Options OSA forced on Transmit Clack Hormal Protocol Clear Channel Quick setup Set Password Lpbk remote 1B Lpbk remote 2B Enter SELECT Esc N CHANGE Ctl P PORT Ctl U STATUS Ctl T TEST Ctl C CONFIG Cti 0 DIAL Ctl x EXIT Setting the Switch Protocol Figure 6 2 VT 100 Configuration Menu Screen Find out what kind of ISDN switch the local CO is using by asking the telephone administrator or telephone company representa tive Configure the ISU 2x64 for either Northern Telecom DMS 100 AT amp T 5ESS or a switch conforming to the National ISDN 1 standard usually an AT amp T 5ESS NT DMS 100 or Siemens EWSD For switches outside of North America use the Euro IS DN VN4 TDX10 TDX1B KDD NTT or NEC switch types 28 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 6 Configuration STATUS Buffer Display Down keys to Scroll gt
137. tomatically established when the DTR signal goes from inactive to active While DTR is active front panel dialing is also possible When DTR goes inactive any outgoing call present is disconnected Off gt On dial 0 uses the phone number in stored number register 0 to establish the call To store a number for automatic dialing see the section Front Panel Dialing Options Dial 0 if Onallows calls to be automatically estab lished when the signal is in the active state The unit attempts to establish a call using SNO until the call is established or DTR goes inactive Answer if On only allows the unit to answer an incom ing call if DTR is asserted DSR forced on causes the data set ready DSR signal on the DTE connector to always be asserted Off Idle Test causes the DSR to be disasserted if the ISU 2x64 is in test or there is not an active call Off Link Down causes the DSR signal to be disasserted when the ISDN interface is not ready Flow Control asynchronous data format Selecting Hardware Flow see Figure 6 18 allows the ISU 2x64 received data to be presented to the DTE interface only when RTS request to send is asserted and allows DTE transmit data to be presented to the 2x64 when CTS is asserted Software Flow con trol uses XON XOFF inband to control data transferred between the DTE and the ISU 2x64 Selecting No Flow Ctrl disables flow control Either Hardware of Software flow control should be used when asynchronous BONDING or D
138. tting up xxxxx can be any of the following BONDING Bandwidth on Demand Interoperability Users Group protocol CLEAR CHAN No rate adaptation protocol allows use of maximum bandwidth 61200051LT 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 97 Appendix B Current Status Messages DSTOP DSU 57 6 Async rate adaptation protocol DSU57 6 ADTRAN DSU asynchronous protocol FALLBACK FALLBACK rate adaptation protocol SAP Simple Adtran Protocol TLINK TLINK rate adaptation protocol v120 V 120 rate adaptation protocol v110 V 110 rate adaptation protocol 98 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Appendix C Status Buffer Messages Messages shown entirely in capital letters are generated by the ISDN network Messages with lower case letters are generated by the ISU 2x64 Answer 1 2 The ISU answered a call on either the first or second B channel The calling phone number is displayed if available ACCESS INFO_DISCARDED The network was unable to deliver access information to the far end Back to online ISU 2x64 went back on line Bad async BPS The BONDING protocol determined that the selected asynchro nous bit rate is not supported Bad AT bit field User issued an AT command with an argument that was out of range Bad B channel Bonding negotiation determined the delay in one of the Bearer channels was uncorrectable Bad call type ISU 2x64 place
139. way transmission of digitized video images between two or more locations Videoconferencing requires a wideband transmission facil ity Transmitted images may be freeze frame where television screen is repainted every few seconds to every 20 seconds or full motion Bandwidth requirements for two way video conferencing range from six MHz for analog full motion full color commercial grade TV to 56 kbps for digitally encoded freeze frame to 1 544 kbps for high quality full color full motion TV X 25 A packet data transfer protocol for the B and D channels Defines the interface be tween data terminal equipment DTE and data circuit terminating equipment DCE for terminals operating in the packet mode and connected to public data networks by dedicated circuits 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 143 Glossary 144 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Numerics 2B1Q leased digital service 47 5ESS custom line additional parameters 130 5ESS features 131 A adapters RS 530 to V 35 14 always tone 44 answer call 64 answer tone setting 43 async rev 58 AT command processor 38 AT commands 36 37 89 AT commands 85 89 AT amp T 5ESS 28 audio 31 auto answer 40 setting 42 autobaud 54 B channel aggregation 86 bit rate 51 BONDING mode 1 56 Index busy out port disabled 34 enabled 34 setting 33 C call screening setting 45 call type setting 31
140. witch protocl 2 Call type 3 Terminal ID 4 Busy Out 5 Dial options 6 Auto answer 7 Answer tone 8 Connect Timout 9 Call Screening 1 Dial Line 2 Leased Line 1 Disabled 2 Enabled 3 Dump all calls Figure 6 6 Dial Line Auto Answer Menu Tree V 25 ASYNC Dialing V 25 bis specifies that the characters should be ASCIL 7 bits even parity and one stop bit However for versatility the ISU 2x64 allows the data bits parity and stop bits as defined under Data Format See Figure 6 7 40 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1 1D Chapter 6 Configuration 1 Netw options 1 Bit Rate L_3 RTS Options __ 4 CTS Options 1 Asynchronous 2 DTE options Z i 3 CONFIG p 2 Synchronous 5 CD Options 3 Protocol 6 DTR Options 4 Quick setup 7 DSR Option 5 Security 8 Flow Control 1 Data Bits 1 8 Data bits 6 Remote Config 9 Data Format 2 Parity Bits Figure 6 7 Data Bits Menu Tree The setting in Figure 6 8 allows for V 25 bis messages in asyn chronous start stop data format 1 Switch protocl 2 Call type 1 Dial Line 3 Terminal ID Ta roni Panel 1 Netw options 2 Leased Line 4 Busy Out 1 V 25 HDLC 3 CONFIG 2 DTE options 5 Dial options 2 V 25 ASYNC 3 Protocol 6 Auto answer g 3 V 25 BISYNC 4 Quick setup 7 Answer tone SEDisabled 4 V 25 HDLC FLAG 5 Securtiy 8 Connect Timout 6 Remote Config 9 Call Screening Figure 6 8 V
141. y the ISU 2x64 With the External option selected the ISU 2x64 slaves to an external transmit timing source The external clock is provided to the ISU 2x64 by the external transmit clock signal at the DTE connector 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 53 Chapter 6 Configuration 3 CONFIG This signal is echoed by the ISU 2x64 to the transmit clock signal on the DTE connector See Figure 6 20 for the menu tree 1 Bit Rate 2 Connector Type 3 RTS Options 1 Netw options 2 DTE options 3 Protocol 1 Asynchronous 2 Synchronous 6 DTR Options 7 DSR Options 8 Transmit Clock 4 Quick setu 5 Security 6 Remote Config 1 Normal 2 External Figure 6 20 Transmit Clock Menu Tree Autobaud The ISU 2x64 has a DTE rate adjustment feature autobaud which automatically adjusts the bit rate on the DTE port connec tor to match that of the connected terminal For any terminal rate from 300 bps through 115 2 kbps type AT and a carriage return The ISU 2x64 will adjust to that rate The DTE port must be set for AT commands under Dial Options for autobaud to become acti vated ona port The autobaud feature is only allowed to be active on one DTE port at a time If both DTE 1 and DTE 2 are set for AT com mands under Dial Options then autobaud will be active on DTE 2 only To make autobaud active on DTE 1 change the Dial Options on DTE 2 from AT comman
142. your local telephone company and long distance pro viders can sometimes be complicated This appendix guides you and your telephone company in specifying and obtaining your ISDN service requirements To support most of the features in the ISU 2x64 your telephone service needs to meet certain requirements A general descrip tion of these requirements follows Depending on your actual data service needs some features may be deleted Other features may not be available in your area Also features may be deleted for economic reasons depending on your needs and local tariffs Talk to your telephone company first and find out which of the services listed on the following pages are provided The following form has been designed to assist you Complete and FAX this form to your telephone company to request the proper type of ISDN telephone line for use with the ADTRAN ISU 2x64 61200051L1 1D ISU 2x64 Dual Port ISDN Service Unit User Manual 125 Appendix F Ordering ISDN Without IOCs ISDN Service Ordering Information for the ADTRAN ISU 2x64 For ADTRAN ISU 2x64 applications the following guide can be used as an aid in ordering basic ISDN service from your local telephone company The ADTRAN ISU 2x64 ISDN Service Unit part numbers 1200051L1 and 1200051L3 includes NT1 and Terminal Adapter functionality and supports data at rates up to 128 kbps The ADTRAN ISU 2x64s part numbers 1200051L2 and 1200051L4 are tradi tional Terminal Adap

ADTRAN ISU 2X64 Two-Way Radio User Manual

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