3com MSR 20 Manual Do Utilizador

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C
HAPTER
 4: F
LEXIBLE
 I
NTERFACE
 C
ARDS
FIC-2VT1
Introduction
2-port T1 voice interface module (FIC-2VT1) can handle dense voice signals in VoIP 
system. It provides two CE1/PRI ports, allowing the access of 48 channels of voice 
signals.
n
VCPM is provided to users together with FIC-2VT1. Users can select VPM 
module as needed.
VPM module is installed on the main board of FIC-2VT1.
Interface Attributes
The interface attributes of FIC-2VT1 are given in the following table.
Interface LEDs
FIC-2VT1 panel is shown in the following figure:
Figure 248   FIC-2VT1 panel
Description of the LEDs on FIC-2VT1 panel is given in the following table:
Table 147   Interface attributes of FIC-2VT1
Attribute Description 
Connector RJ45 
Number of connector 
Interface standard 
G.703/T1.102
G.704
AT&T TR 54016
AT&T TR 62411
ANSI T1.403 
Interface rate 
1.544 Mbps 
Cable type 
T1 cable (100-ohm standard shielded 
cable) 
Operation mode 
CT1
ISDN PRI 
Services Backup
Terminal access
ISDN