Reference Guide for the Model XM128 ISDN Digital Modem
•Make sure the telephone company provides you with:
–The switch type information
Ask the telephone company representative which switch type is available in your area. Select the appropriate worksheet in this appendix and complete the information to use as a guide. The three types of worksheets provided are AT& T 5ESS, Northern Telecom
–The switch protocol
Ask the telephone company representative which switch protocol you will be using to communicate with the telephone company switch.
–The SPID numbers
Determine the number of SPID numbers your configuration requires and request that quantity.
–The Directory numbers
In most cases, you will have two directory numbers. Determine and request the appropriate quantity.
ISDN Reference |