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 DMS-100, and Siemens EWSD.

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

G-5

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NETGEAR XM128 ISDN manual Reference Guide for the Model XM128 Isdn Digital Modem