3Com VCX V7122 SIP User Manual page 117

E1/T1 Trunk Settings
Figure 48
*Number indicates which Trunk is selected.
Trunks Status Color Indicator Key
Table 21
Indicator Color
White
Green
Yellow
Red
Blue
Orange
Modify the relevant Trunk configuration parameters; E1/T1 protocol type, Framing
4
method, Line code, and so on.
For CAS protocols, you must select CAS Protocol Type (T1 CAS or E1 CAS R2). In
addition, You must download the correct signaling CAS.dat file using HTTP
Download") or using the TFTP procedure.
3Com VCX V7122/SIP VoIP Gateway User Manual
Description
Disabled
Active-OK
RAI Alarm
LOS Alarm
AIS Alarm
DChannel Alarm
*
("HTTP
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