Reference Guide for the Model XM128 ISDN Digital Modem
G-8 ISDN Reference
Order Form for EWSD (NI-1 ISDN )
To order ISDN service for the EWSD switch, provide the information on this form to your local
telephone company by photocopying and faxing this order form.
First Name: _______________ Last Name: _______________
Address:___________________________________________
City:_____________________ State:________ Zip:________
Telephone (analog): __________________________________
Refer to Tabl e G-3 for information about your configuring your ISDN line for the EWSD switch.
Information the telephone company must provide:
Switch protocol: __ NI-1 __ Custom
Number of SPIDs: __ 0 __ 1 __ 2
ISDN # 1 _______________ SPID #1 _______________
ISDN # 2 _______________ SPID #2 _______________
TableG- 3. ISDN line configuration
Line type Standard (2B+D) NI-1
Line code 2B1Q
Interface Type U interface with RJ-45 jack
Access Rate 64 Kbps
Directory numbers, logical terminals 2
Bearer Service Circuit Switch Voice and Data on any B Channel
Circuit Switched Service Yes
Packet Switched Service No
Terminal Endpoint Identifier (TEI) Dynamic
Electronic Key telephone sets (EKTS) No