T1 Advanced Setup

This menu is accessed from the System page by selecting Update Trunk Configurations.

This menu is accessed from the Admin Tasks list by selecting Trunks.

This menu allows setting of advanced T1 trunk settings that normally do not need to be changed. The Channel Setup option give access to a menu for configuring individual channels.

Trunk Parameters

•Clock Quality: Default = Network
Leave as Network unless advised otherwise by Avaya.

•Framing: Default = ESF
Selects the type of signal framing used (ESF or D4).

•CRC Checking: Default = On
Turns CRC on or off.

•Zero Suppression: Default = B8ZS
Selects the method of zero suppression used (B8ZS or AMI ZCS).

•CSU Operation:
Tick this field to enable the T1 line to respond to loop-back requests from the line.

•Line Signaling: Default = CPE
The field can be set to either CPE (Customer Premises Equipment) or CO (Central Office). This field should normally be left at its default of CPE. The setting CO is normally only used in lab back-to-back testing.

•Haul Length: Default = 0-115 feet
Sets the line length to a specific distance.

•Channel Unit: Default = Foreign Exchange
This field should be set to match the channel signaling equipment provided by the Central Office. The options are Foreign Exchange, Special Access or Normal.