ADTRAN 1200051L1 User Manual

Also see for ISU 2x64: Using Specifications

Contents

ADTRAN 1200051L1 User Manual Manual pdf 46 page image

Chapter 6. Configuration32 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1DSmart Dial StringsIn some cases during a dial session it may be desired to changethe 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 tospeech, #2 to Audio, #3 to 56K, and #4 to 64K.Setting the Terminal IDTerminal identification is assigned by the local telephone com-pany and consists of a SPID and LDN number.Setting the SPIDIn North America, the SPID is a sequence of digits used to identifyISDN terminal equipment to the ISDN switch. The SPID is assignedby the local phone company when the ISDN line is installed and usu-ally looks similar to the phone number. Obtain the SPIDs from thetelephone 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. Multipointlines may have one or two SPIDs. If the line has only one SPID, thenit must be entered in SPID DTE#2. It is recommended to use twoSPIDs with the ISU 2x64, with a SPID assigned to each DTE port.When entering a SPID using the front panel, use the Up and Downarrow keys to select between SPID DTE#1 and SPID DTE#2. PressEnter to select the DTE. Use the keypad to enter the SPID. Whilekeying/editing a SPID, the Down arrow allows backspacingthrough the number string to correct mistakes. The Up arrow scrollsback 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 SPIDusing the VT 100 terminal, select the option number correspondingto the appropriate DTE and press Return. Enter the number usingthe 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.