Altigen AltiContact Manager Version 5.0A, Administration Manual

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Board Configuration
AltiContact Manager Administration Manual 6-15
6. Board
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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 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 E1service.
E1 Service Request Information
When ordering E1 service, provide the following service request
information:
Equipment Information
Product Manufacturer - AltiGen Communications, Inc.
Product Name - AltiServ PBX Phone System
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