Screen Reference
DS1 Circuit Pack
Administrator’s Guide for Avaya Communication Manager
793
November 2003
Signaling Mode
This field selects the signaling method used for the DS1 link. This mode must match the method used on
the other end of the link, so work with your network services provider to determine the appropriate entry
for this field.
MAINTENANCE PARAMETERS
Alarm When PRI Endpoint Detached
Use this field for DS1 circuit packs connected to Roll-About Video equipment. This field appears only
when the
Connect
field is line-side.
Valid entries
Usage
CAS (Channel
Associated
Signaling)
Enter CAS for out-of band signaling with E-1 service. This setting
yields 30 64-kbps B-channels for voice or data transmission.
Channel 0 is used for framing while channel 16 carries signaling.
robbed-bit
Enter robbed-bit for in-band signaling with T-1 service. This
setting yields 24 56-kbps B-channels for voice transmission.
isdn-pri
Enter isdn-pri for either T-1 or E-1 ISDN service. This setting
supports both Facility Associated Signaling and Non-Facility
Associated Signaling.
isdn-ext
Enter isdn-ext for either T-1 or E-1 ISDN service. This setting
supports only Non-Facility Associated Signaling.
common-chan Enter
common-chan, for out-of-band signaling with T-1 service.
This setting yields 23 64-kbps B-channels for voice or data
transmission. Channel 24 is used for signaling.
Valid entries
Usage
y/n
Enter y if you want the server running Avaya Communication
Manager to generate an alarm when the DS1 board detects a loss of
signal (for example, if the video equipment is disconnected).