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Interface Card and Interface Module Manual
H3C MSR 20/30/50 Series Routers
Chapter 2 Smart Interface Cards
2-36
2.10 SIC-1VT1
2.10.1 Introduction
1-port T1 voice interface card (SIC-1VT1) can handle dense voice signals in VoIP
system. It provides a CT1/PRI/R2 port, allowing the access of 23 channels of voice
signals.
Note:
z
When purchasing a SIC-1VT1 interface card, users should purchase a VCPM and
configure a VPM based on voice traffic.
z
No VCPM is required, but only a VPM needs to be installed on the main board when
MSR 20-1x series routers need to be equipped with a SIC-1VT1 interface card.
z
VCPM and VPM need to be installed on the main board when MSR 30 series
routers need to be equipped with a SIC-1VT1 interface card.
z
VCPM and VPM need to be installed on the MSCA card when MSR 50 series
routers need to be equipped with a SIC-1VT1 interface card.
2.10.2 Interface Attributes
Table 2-23
Interface Attributes of the SIC-1T1-F
Attribute
Description
Connector RJ45
Number of connector
1
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