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Appendix B: Required Service Parameters
422 AltiWare ACM 5.1 Administration Manual
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.