Appendix B: Required Service Parameters

Service Parameters/Request Information for E1

To subscribe to E1 service, certain parameters are required to establish service. The information provided below identifies the recommended and supported parameters for

E1 service. When ordering E1 service, provide the following service request information:

Equipment Information

PBX Manufacturer—AltiGen Communications, Inc.

CSU/DSU—ADTRAN T1 ACE (recommended) or other CSU/DSU

Technical Information for E1 with Voice

Switch Type:

Austel TS014

ETSI NET5 (recommended)

NT DMS-100

Framing:

No CRC (recommended)

CRC4

Line Coding:

Alternate Mark Inversion (AMI)

HDB3 (recommended)

Physical Termination:

RJ-48X or RJ-48C

Wire:

4 wires

E1 Channel Assignment

Data Channels Assignment—1st channel (channel ID 0)

Channels Assignment—17th channel (channel ID 16)

Hunting—Most Idle, Least Idle, Ascend, Descend

DNIS Digits—can be 3 to 10 digits

CSU/DSU Requirements

The CSU (channel service unit) is a device used to connect a digital trunk line coming in from the phone company to the PBX. A CSU can terminate signals, repeat signals, and respond to loopback commands sent from the central office.

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AltiGen comm ACM 5.1 manual Service Parameters/Request Information for E1, Technical Information for E1 with Voice