User guide

MAXCS ACC 6.7.1 Administration Manual 403
Technical Information for PRI with Voice
Switch Type:
• 5ESS (recommended)
• DMS (recommended)
• NI-2 (recommended)
• 4ESS
Framing:
• Super Frame (SF)/D4
• Extended Super Frame (ESF) (recommended)
Line Coding:
• Alternate Mark Inversion (AMI)
• B8ZS (recommended)
Physical Termination:
• RJ-48X or RJ-48C
Wire:
• 4 wires
PRI Channel Assignment
D Channels Assignment—24th channel (channel ID 23)
Note: MAXCS ACC/ACM can configure any channel in a PRI span to be the D channel.
The default setting is the last channel. Every span should select a D channel
within the span. Shared D channel (NFAS) or back up D channel is not
supported
.
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.
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