Technical information for e1 with voice, E1 channel assignment, Csu/dsu requirements – AltiGen MAXCS 7.0 Update 1 ACM Administration User Manual
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Appendix B: Required Service Parameters
414
MaxCS 7.5 Administration Manual
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.