3com 3C13701 User Manual

Page of 187
3Com Router 5000 and Router 6000 v2.41 
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 
RJ45 
Number of connectors 
Interface standard 
G.703/T1.102, G.704 
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: 
Fractional T1
 
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 
OFF means the link is not connected. ON means the link is 
connected and frame synchronization signal can be correctly 
received. 
ACT 
OFF means no data is being transmitted or received; blinking 
means data is being received or/and transmitted.