Altigen ACM 6.7 Administrator's Manual page 452

• 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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MAXCS ACM 6.7 Administration Manual