3com MSR 20 Manual De Usuario
204
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.
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.
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
1
Operating mode
CE1
ISDN PRI
R2
Interface rate
2.048 Mbps
Cable
E1 120-ohm balanced twisted pair
cable
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.