3com MSR 20-20 사용자 설명서

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C
HAPTER
 4: F
LEXIBLE
 I
NTERFACE
 C
ARDS
FIC-1VE1
Introduction
1-port E1 voice interface module (FIC-1VE1) can handle dense voice signals in VoIP 
system. It provides a CE1/PRI/R2 port, allowing the access of 30 channels of voice 
signals.
n
VCPM is provided to users together with FIC-1VE1. Users can select VPM 
module as needed.
VPM module is installed on the main board of FIC-1VE1.
Interface Attributes
The interface attributes of FIC-1VE1 are given in the following table.
Interface LEDs
FIC-1VE1 panel is shown in the following figure:
Figure 250   FIC-1VE1 panel
Description of the LEDs on FIC-1VE1 panel is given in the following table:
Table 149   Interface attributes of FIC-1VE1
Attribute Description 
Connector DB-15 
Number of connectors 
Operating mode 
CE1
ISDN PRI
R2 
Interface rate 
2.048 Mbps 
Cable 
E1 120-ohm balanced twisted pair 
cable
75ohm-to-120ohm adapter
Network interface connector 
Supported service 
1) R2 signaling
2) DSS1 signaling
3) IP Fax
4) General VoIP features in Comware
Table 150   Description of the LEDs on FIC-1VE1 panel
LED Description 
LINK 
OFF means no link is present;
ON means a link is present.