the User Manual
Contents
1. mode type BYE Commands Help H or Function Command Set Password ccccccsecceeeeees PW Set Port IDe ice aN ve ees ID Configure Port Functions CP Configure LAN cccsceeeee CL Configure Modem 06 CM Direct Connect ccccceeees DC Set Prompt ccccccccseceeeeeees SP Set Input Port Rate SR Set Disconnect Characters SD Show Status ccccccccsecceeceees SS Show Port Information SI Show Connections 066 SC Kill Connections 00065 KC Exit Setup heiii apei BYE Reset and Clear Memory RC Reset and Keep Memory RS Paragraph 5 4 2 5 4 3 5 4 4 5 4 5 5 4 6 5 4 7 5 4 8 5 4 9 5 4 10 5 4 11 5 4 12 5 4 13 5 4 14 5 4 15 5 4 16 5 4 17 5 4 2 5 4 3 5 4 4 5 4 5 Set Password The set password PW command is used to set a password for the Input ports and or for the Setup function This will deter unauthorized use of the system Passwords can be up to 16 characters and cannot contain lt space gt lt Enter gt or lt Esc gt Passwords are case sensitive After three 3 failed attempts the Access Switch will automatically disconnect To remove a password type a single lt space gt and lt Enter gt Set Port ID Set Port ID ID allows the user to name each port on the switch Names must be unique must begin with an alpha character and a2. 9600 8 N 1 and no flow control Connecting a Modem for remote access It is suggested that a dial up modem also be connected to allow remote access Using a terminal set at 9600 bps issue the following commands to the modem before connecting it to the access switch AT amp F S0 1 amp D2 amp C1 amp W Use the cable labeled MODEM TO COMPOSITE to connect the modem to the access switch Input Port 1 To configure your Access Switch to work with the external DCB dial up modem first attach the modem to input port 1 1 IN DTE using the Modem to Composite cable provided Next attach a terminal or PC to input port 2 2 IN DTE using the green cable and the appropriate adapter Set the terminal for 9600 8 N 1 and no flow control When you see the Access gt gt prompt follow the instructions below User responses are shown in BOLD To configure your Access Switch to work with the optional internal dial up modem attach a terminal or PC to input port 2 2 IN DTE using the green cable and the appropriate adapter supplied Set the terminal for 9600 8 N 1 and no flow control When you see the Access gt gt prompt follow the instructions below User responses are shown in BOLD To Disconnect enter D D D Access gt gt SETUP lt Enter gt ATTENTION There is no Setup Password Enter PW to set password KERK AS 8 Access Switch V7 7 x gt gt Enter H lt CR gt for Help SETUP gt gt CM lt Enter gt 3 4 3 C
3. Access Switch TABLE OF CONTENTS SECTION 1 DESCRIPTION sssssscscsssssssssscsscccceeeceeesscsscsseseeseeeseesees 2 SECTION 2 SPECIFICATIONS cscccssssssssssssscccceeececessssscscesseseeeseesees 4 SECTION 3 INSTALLATION sccscsccssssssssscssccccesecenessssscscesseeeeeseeeees 6 SECTION 4 FRONT PANEL CONTROLS AND INDICATORG 13 SECTION 5 SETUP FUNCTIONS cccccssssssssscsccccccecessssscsceseeeeeeneeeees 14 SECTION 6 INTERFACE SIGNALS AND CABLING cccccssssseees 18 SECTION 7 TROUBLESHOOTIING ss0ssscsscscccecssssssssscsccseeeeeeseesees 22 SECTION 8 WARRANT Y cccccssssssssccccceccecsssssscscccsesecessssscsseseeseeeneesees 23 Data Comm for Business Inc March 30 2006 PO Box 6329 Firmware Version 7 7 Champaign IL 61826 6329 217 897 6600 www dcbnet com 8500023 DESCRIPTION The DCB Access Switch is an ASCII character controlled switch used to connect a maximum of six RS 232 asynchronous control devices to a maximum of 152 asynchronous output ports Connection is made by entering a port number or port name Disconnection is accomplished by entering a disconnect code string or by lowering an RS 232 control lead Either the port being controlled or the originating port can lower a control lead to force a disconnect The DCB Access Switch can be used to access any asynchronous device from a terminal or PC The Access Switch is specifical
4. DICATORS Forte 121 102 ACCESS SWITCH Feria an iz20 MASTER 3LAVE poria t IB m ma a Powe E Controls The only control on the front panel is a RESET switch Pressing this switch will reset the access switch and keep the configuration intact Indicators AS 24M and AS 32S MASTER Indicates the unit is an AS 24M SLAVE Indicates the unit is an AS 32S expansion chassis 121 152 Expansion ports 121 152 are active 89 120 Expansion ports 89 120 are active 57 88 cecesceeees Expansion ports 57 88 are active 25 56 cee ceceeceee Expansion ports 25 56 are active POWER On when power is applied to the unit AS 04 thru AS 32 The only indicator on the AS 04 thru AS 32 is POWER 5 1 5 2 5 3 5 4 5 4 1 SETUP FUNCTIONS Introduction The setup functions are used to set a user defined prompt disconnect strings and port IDs names kill connections or reset the unit Since any input port can access the setup functions a case sensitive password can be set to limit access Connections and Terminal Setup Connect a local terminal to the access switch as described in Paragraph 3 4 1 Using the Setup Functions The setup functions are accessed by typing SETUP at the Access gt gt prompt The prompt will change to SETUP gt gt indicating that you are in setup mode To display the command set type H To exit setup
5. J 45 1 NC 1 ANoaw r WD Nwoanm amp WS TROUBLESHOOTING If the installation is new and you are having trouble be sure you are using the correct cables and that your terminal is set up correctly see paragraph 3 3 If the Access Switch had been working and quit reset the unit If reset does not help power the Access Switch off and back on If that does not clear up the problem contact DCB Customer Support at 217 897 6600 for assistance Forgot the password If you forget the password you may do either of the following 1 Call DCB Technical Support at 217 897 6600 between the hours of 8 00 and 5 00 central time You must have a dial up modem attached to the Access Switch and provide us with the phone number Technical Support personnel will then dial in to your Access Switch and clear the password s You may then enter another password if desired 2 If you cannot provide dial up access to the unit you must return it to DCB to have the password s cleared Call Technical Support for an RMA number before returning the equipment See page 21 for procedures and ship to address 22 WARRANTY The Access Switch is warranted to be free of defects in manufacturing or materials for two years Data Comm for Business Inc will repair or replace any equipment proved to be defective for two years from date of purchase All warranty work is F O B Dewey IL This warranty is exclusive of abuse misuse accidental damage acts of God o
6. ONFIGUR T MODEM Port 1 as modem port currently set to NO Enter YES or NO Y lt Enter gt Current Modem Commands amp C1 amp D2S0 1 W New Commands enter CLEAR for default lt Enter gt Current dialout port timeout 15 seconds New timeout lt Enter gt SETUP gt gt BYE lt Enter gt To Disconnect enter amp DADAD Access gt gt The internal modem is connected to input port 1 1 IN DTE and this port cannot be used by a terminal Equipment to be monitored should be connected to access switch output ports using cables described in Section 6 2 Configuring the optional Ethernet Port AS 8 16 24 or 32 only Configuration of the Ethernet port must be done using a terminal or PC connected to input Port 2 2 IN DTE Connect the terminal per paragraph 3 4 1 When you see the Access gt gt prompt follow the instructions below User responses are shown in BOLD Access gt gt SETUP lt Enter gt ATTENTION There is no Setup Password Enter PW to set password EREE AS 8 Access Switch o V7 7 x gt gt Enter H lt CR gt for Help SETUP gt gt CL lt Enter gt zJ CONFIGURE LAN Reading config Please wait 1234 DHCP disable Local Address 192 168 2 1 Gateway Address 0 0 0 0 Subnet Mask 255 255 255 0 Local Port 3000 MAC address 00 08 00 d2 14 72 Enable DHCP Y N N lt Enter gt New Address Enter the local LAN address for this d
7. ange of port numbers are inactive LE LSE I Ie PETOR yyy a a i AS 24M Port Layout TEP ES EEE ion ee R ee O TECE AS 32S Port Layout 3 5 Operation A port is selected by either entering the port number or the port ID at the Access gt gt prompt When connected to an accessed device the Access Switch provides an 8 bit transparent data path Typing H at the Access gt gt prompt will display the following help screen Input Port Help Helpies e e A a E H Set 7 data bits even parity P7E Set 7 data bits odd parity P70 Set 7 data bits mark parity P7M Set 7 data bits space parity P7S Set 8 data bits no parity P8N Show Port Information SI Enter Setup cccccecceeeceecceeeeees SETUP Disconnect ccecceeeceeeceeeeeeeeees BYE To Connect enter port number or ID To Disconnect Enter D D D Access gt gt The connection from the input port to the accessed output port is broken immediately when the disconnect string is received The default disconnect string is D D D where represents the Ctrl key The disconnect characters are buffered and not immediately passed to the accessed port If the complete disconnect string is not received the buffered characters are released to the accessed port and there is no disconnect 4 1 4 2 4 2 1 4 2 2 FRONT PANEL CONTROLS AND IN
8. ata will remain intact 6 6 1 6 2 6 2 1 Pin w Ne DnA INTERFACE SIGNALS AND CABLING Connector Pin Reference Port Interface Input Ports Signal Data Terminal Ready Signal Ground Receive Data Transmit Data Clear to Send 8 wire RJ45 RJ 45 Plug Positions Function Not Used Not Used Wakeup input turning on from off generates the autobaud sequence or Access gt gt prompt Turning off DTR will drop the connection Data output from switch Data input to switch Device present output normally on Toggles off for 5 seconds then back on after user enters BYE at the Access gt gt prompt This should be wired to DTR on dial in modems to cause the call to drop after typing BYE Not Used 6 2 2 Pin m DnA o0 6 2 3 Pin N aN opr Ww Output Ports Signal Data Set Ready Data Carrier Detect Data Terminal Ready Signal ground Receive Data Transmit Data Clear to Send Request to Send Expansion Ports Signal Not Used Data Carrier Detect Not Used Signal ground Receive Data Transmit Data Request to Send Function 12V Out Wakeup output turns on after port is selected turns off when there is no connection from one of the input ports Must be asserted for dial out operation Dial out ports are not scanned for input unless DTR is asserted Data output from switch Data input to switch Device present output normally on Toggles o
9. evice lt Enter gt New Gateway Enter Gateway if required lt Enter gt New Mask Change Mask if required lt Enter gt New Port Change Port if required lt Enter gt DHCP disable Local Address 192 168 2 1 Gateway Address 0 0 0 0 Subnet Mask 255 255 255 0 Local Port 3000 Save new config Y N Y lt Enter gt Writing config Please wait SETUP gt gt BYE lt Enter gt To Disconnect enter ADADSD Access gt gt Connect the Access Switch to the local LAN using the Ethernet port on the rear of the unit You should now be able to Telnet to the Access Switch using the Local Port number 3 4 4 Port Layout fit EE AS 04 4 port unit POWER 2IN DTE 1 IN DTE O KLALI AS 08 8 port unit POWER 2IN DTE ETHERNET EEEE IGA AS 08 with Internal Modem and Ethernet Options The IN ports are for connecting the controlling terminal or modem The ports to the right labeled 1 through 4 or 8 are connected to the devices to be accessed The accessed devices can be any equipment with an RS 232 management or console port See Section 6 for cabling guidance The AS 24M can be expanded up to 152 ports using AS 32S expansion units On the master unit expansion port 1 connects expansion chassis ports 25 to 56 expansion port 2 connects to ports 57 to 88 port 3 to ports 89 to 120 and port 4 to ports 121 to 152 If no AS 32S expansion chassis is connected to a particular expansion port that r
10. ff for 5 seconds on disconnect Device present input must be asserted for connection to port Turning off RTS will drop the connection Function Output used to signal slave that connection is made Data output from switch Data input to switch Not Used Input used to detect connection of slave 6 3 Cables 6 3 1 Input Port to a Terminal or PC supplied RJ 45 DB 25 DE 9 1 NC 2 NC 3 lt 20 4 4 1 5 5 3 2 6 lt __ 2 3 7 5 8 6 6 8 1 8 lt _ 4 7 6 3 2 Input Port to a Modem for remote access supplied RJ 45 DB 25P 1 NC 2 NC 3 ______ 8 4 1 5 gt 2 6 3 eo gt se 20 8 lt _ 5 6 3 3 Output Port to DCB Network Management Port Access Switch Network Management Port RJ 45 RJ 45 DE 9P 1 NC 1 2 3 4 3 2 4 4 7 5 _ gt gt 6 2 6 4 5 3 1 8 8 lt _____ 7 5 6 3 4 Output Port to another DTE IBM RJ 45 DB 25 DE 9 1 __ _ gt 6 6 2 8 1 3 lt _ 20 7 4 1 5 5 3 2 6 lt __ 2 3 7 gt 5 8 8 lt ___ _ 4 4 6 3 5 Output Port to another DCE dial out modem IBM RJ 45 DB 25 DE 9 1 NC 2 _ _ _ 20 4 3 NC 4 _ __ 7 5 _ _ _ _ gt 2 6 4 3 1 4 8 1 6 ANN W OI 6 3 6 Master Unit Expansion Ports to Slave Units supplied RJ 45 R
11. ly designed to provide access to Network Management Ports on DCB equipment either locally or via dial up modems from a remote location The Access Switch is available in 4 thru 32 port models AS 04 AS 08 AS 16 AS 24 and AS 32 and an expandable AS 24M version The AS 04 thru AS 32 models have 2 input ports and 4 8 16 24 or 32 output ports making them an ideal switch for smaller systems The AS 24M is a 24 channel master unit with 6 input ports and 24 output ports The AS 24M can be expanded by attaching up to four AS 32S slave units Each AS 32S has 32 ports which increases the Access Switch from 24 ports to 56 88 120 or 152 ports The Access Switch allows both local terminal and remote dial in access All input ports can be active at the same time The user always gets positive feedback there is no blind switching Before connect and after disconnect the Access Switch gives the user an Access gt gt or user defined prompt Port switching requires no cryptic code entry Ports can be named and accessed by that name or by port number If the device being accessed can be forced to lower an RS 232 control lead on command as is the case with DCB products the hardware disconnect method can be used This makes the switch 100 data transparent and suitable for use between devices that do binary file transfers Data transparency also insures that no control codes will inadvertently cause a disconnect Using hardware disconnect a dial i
12. n modem can be used for remote computer support and for accessing the communications equipment The Access Switch allows output ports to be defined as DATA POWER or DIALOUT The default setting is DATA Ports defined as POWER ports are attached to the DCB APS 01 Access Power Switch Commands to the POWER ports allow the power to be turned ON turned OFF or CYCLED by the APS 01 The APS 01 will switch up to a 15 amp 110 VAC load DIALOUT allows the output port to function as a normal DATA port while also allowing the attached device to dial out through the modem A typical application is a connection from the Access Switch to a server where connections are made to the server in DATA mode for configuration and control of the server The server uses the DIALOUT mode to send paging messages to indicate server status For more information refer to Section 5 paragraphs 5 4 4 through 5 4 5 Options e Internal 56K Dial Up Modem Not available on AS 24M e Ethernet port for LAN access Not available on AS 4 or AS 24M 2 1 2 1 1 2 2 2 3 2 4 SPECIFICATIONS Port Rate Input Ports Autobaud to 1200 2400 9600 19 200 or 38 400 bps OR fixed at 1200 2400 4800 9600 19 200 or 38 400 bps asynchronous only Output Ports AS 24M 32S Matches input port rate up to 9600 bps Rate conversion from 19 200 to 9600 is automatic AS 04 through AS 32 Independently set for 1200 2400 4800 9600 19 200 38 400 or Follows Inp
13. ou can easily reach the rear panel to connect the cables The access switch has an external power supply that is plugged into a 120 VAC outlet Setup Setup of the access switch is done using a terminal connected to input port 2 Use the green cable supplied with the unit and the appropriate adapter for either a terminal or PC From the factory the input ports are set to autobaud on the lt Enter gt key Usually two keypresses are all that are required When connected you should see an Access gt gt prompt on the screen Parity is defaulted to space If your terminal is set for even odd or mark parity type H lt Enter gt and set the parity to match your terminal see Section 3 5 Type SETUP to access the setup functions See Section 5 for an explanation of the setup functions If you have the internal modem option follow the procedure in paragraph 3 4 2 to configure the Access Switch to use the modem If you have the Ethernet port option follow the procedure in paragraph 3 4 3 to configure the Ethernet port to work on your LAN If you have BOTH the internal modem and Ethernet port options you cannot use both at the same time 3 4 3 4 1 3 4 2 Connections Connecting a Terminal for local access A local terminal or PC is required for setup and should be left connected to Input Port 2 Attach the terminal to input port 2 2 IN DTE using the green cable and the appropriate adapter supplied Set the terminal for
14. output port is automatically set at 9600 bps The rate conversion is automatic and transparent to the user Output ports only support rates of 1200 2400 or 9600 5 4 10 5 4 11 5 4 12 5 4 13 5 4 14 5 4 15 5 4 16 5 4 17 Set Disconnect Characters The default disconnect character string is D D D The indicates the Ctrl key This sequence may be changed or disabled using the SD command Show Status The Show Status SS command displays basic information about the Access Switch such as firmware version disconnect string and number of ports Show Port Information The Show Port ID command ID displays the names for all possible ports The display is paged and may be exited at any time by pressing the Esc key Show Connections The Show Connections SC command displays the output port connections for all input ports If there is no connection lt Idle gt is displayed Kill Connections This command allows the operator to disconnect kill connections through the switch This is handy when a connection exists to a device that someone else needs to access Exit Setup Type BYE to exit setup and return to the Access gt gt prompt Reset and Clear Memory This command will reset all configuration parameters to factory defaults Press Y to execute the command any other key to cancel Reset and Keep Memory The RS command performs the same function as the front panel Reset switch Configuration d
15. r consequential damages DCB liability shall not exceed the original purchase price All equipment returned for repair must be accompanied by a Returned Material Authorization RMA number To receive an RMA number call 217 897 6600 between the hours of 8 AM and 5 PM central time Equipment must be shipped prepaid to DCB and will be returned at DCB s expense Ship returned items to Data Comm for Business 2949 CR 1000E Dewey IL 61840 Data Comm for Business Inc PO Box 6329 Champaign IL 61826 6329 Tel 217 897 6600 Fax 217 897 1331 Email support dcbnet com 23
16. re limited to 15 characters To remove an entry type a single lt space gt and lt Enter gt Configure Port Functions Not available on AS 24M Individual output ports on some models can be configured to work with DCB s Access Power Switch APS 01 using the CP command Each port can be configured as either a DATA normal port or POWER port When configured as a POWER port the default power state of the APS 01 on or off and the power cycle time 1 999 seconds can be set This command is also used to set individual output port data rates of 1200 2400 4800 9600 19 200 38 400 or Follows Input Port In the AS 08 through AS 32 models ports can also be defined as DIALOUT to allow the attached device to use the modem for outbound calls see CM command below Dial out can be used to allow servers to dial paging services to report status etc Configure LAN Not available on AS 4 or AS 24M The Configure LAN command CL is used to configure the optional LAN port See paragraph 3 4 3 This command is not allowed if you are connected via the LAN port or the modem If no LAN port is installed an error message is returned 5 4 6 5 4 7 5 4 8 5 4 9 Configure Modem Not available on AS 24M Configure Modem is used to define Input Port 1 as a modem port When enabled the initialization string defined in the command is sent to the attached modem each time the modem goes off line and whenever the Access Switch is rese
17. t The default initialization string will configure most modems to work properly with the Access Switch If required the string can be modified by the user This also enables ports defined as DIALOUT using the CP command to use the modem for outbound calls When DIALOUT is enabled an inactivity timer is active to ensure calls are properly terminated The default time of 15 seconds is adequate for calls to paging services If your application requires outbound calls to other modems this timeout should be lengthened according to your specific requirements The time can be set from 1 to 255 seconds This timer does not affect normal inbound calls to the modem Direct Connect Not available on AS 24M The Direct Connect command sets up a direct connection between a terminal on Input Port 2 and a modem on Input Port 1 Use this command to manually configure a modem using AT commands Use the disconnect string D D D to return to the SETUP gt gt prompt Set Prompt The switch prompt defaults to Access gt gt SP is used to change this if desired Set Input Port Rate The Set Rate command SR sets the input port speed The factory default is autobaud Ports will autobaud at 1200 2400 9600 19 200 or 38 400 bps Fixed rates of 1200 2400 4800 9600 19 200 or 38 400 bps can also be set For the AS 24M only the output port rate follows the input port rate except in the case of 19 200 If an input port autobauds at 19 200 the
18. ut Port Connectors RS 232 RJ 45 8 wire Ethernet RJ 45 10 100 Auto sensing Modem RJ 11 2 wire dial line Parity Accepts any parity echoes even odd mark or space parity Input Port Commands Help Set Parity to even odd mark space or none Show Port ID Enter Setup Disconnect 2 5 2 6 2 7 Setup Functions Set Password Set Port ID Configure Port Not available on AS 24M Configure LAN Not available on AS 4 or AS 24M Configure Modem Not available on AS 24M Direct Connect Not available on AS 24M Set Prompt Set Input Port Rate Set Disconnect Characters Show Status Show Port IDs Show Connections Kill Connections Exit Setup Reset and Clear Memory Reset and Keep Memory Help Environmental Operation 0 to 65 C 10 to 85 relative humidity Storage 40 to 85 C 10 to 85 relative humidity Physical Electrical 10 x 9 34 x 4 14 AS 24 AS 32 AS 24M and AS 32S 10 x 9 34 x 2 AS 04 AS 08 and AS 16 120 VAC external power supply 30 43 watts 25 36 amps 3 1 3 2 3 3 INSTALLATION Unpacking The following is included with each Access Switch Access Switch and external power supply 2 Cables 1 for connecting a local terminal and 1 for a dial up modem Cable for connecting AS 32S to Master is supplied with the AS 32S Manual Information regarding warranty maintenance contract and repair Location Place the access switch in an uncluttered area where y
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