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MultiModemISI Hybrid Series, ISIHI-2S 141
Appendix
M5 (previously
Generic Data M-1DN
)
• 2B Service
• Alternate voice/data on each B channel
• One directory number
Not available for services provided with Northern Telecom or AT&T switches. Since two
directory numbers are required for 2B operation, use Capability S.
Ordering ISDN Without IOCs
The form below can guide you and your telephone company in specifying and obtaining
ISDN service when IOCs are not used. To support most ISDN TA features, telephone
service must meet certain requirements. These requirements are described in the
following sections. Some features may be added or deleted, depending on your actual
data service needs and availability in your area. Before ordering, talk to your telephone
company about which services are provided in your area.
Complete and fax the form below to your telephone company to request the proper ISDN
line for use with your ISDN TA module.
Name: ______________________________________________________________
Address: ____________________________________________________________
City: _____________________________ State: _____________________________
ZIP Code: _________ Daytime Telephone Number: __________________________
1. Request an ISDN BRI (Basic Rate Interface) line with:
• U-Interface Reference Point
• 2B1Q Line Coding.
2. Choose one of the following:
________ 2B+D Service (supports up to 128 Kbps), or
________ 1B+D Service (supports up to 64 Kbps).
3. Indicate the ISDN Switch Type and Software Protocol you will be using:
________ AT&T 5ESS with:
________ Custom, 5E6 and later software, or
________ NI1 (National ISDN-1)
________ Northern Telecom DMS-100 with:
________ BCS-32 and later software (Pvc1), or
________ National ISDN-1 (Pvc2)
________ Siemens EWSD with National ISDN-1
4. Request that the ISDN line you are ordering allocates one dynamic TEI (Terminal
Endpoint Identifier) per phone number.