3Com Router Module Guide
Chapter 2 Smart Interface Cards
2-21
Table 2-12
Interface attributes of ROUTER 1-PORT FRACTIONAL T1 SIC
Attribute
Description
Connector type
RJ-45
Number of connectors
1
Interface standard
G.703/T1.102, G.704, AT&T TR 54016, AT&T TR 62411, ANSI T1.403
Interface rate
1.544Mbps
Cable type
T1 cable (100-ohm standard shielded network cable)
Operating mode
cT1, ISDN PRI
FT1(supported by ROUTER 1-PORT FRACTIONAL T1 SIC only)
Supported service
Backup
Terminal access
ISDN (supported by SIC-TPRI ony)
2.5.4 Interface LEDs
ROUTER 1-PORT FRACTIONAL T1 SIC panel is shown in the following figure:
Figure 2-21
ROUTER 1-PORT FRACTIONAL T1 SIC panel
The status description of the LEDs is given in the following table:
Table 2-13
Description of the LEDs on ROUTER 1-PORT FRACTIONAL T1 SIC panel
LED
Description
LINK/ACT
ON means the carrier signal has been received.
OFF means no carrier signal has been received.
Blinking means data is being transmitted or/and received.