3com 3C13701 User Manual
3Com Router 5000 and Router 6000 v2.41
Module Guide
Module Guide
Chapter 2 Smart Interface Cards
2-20
Step 5: Check the status of LINK LED on the Router 1-Port Fractional E1 SIC panel:
ON means the link is connected and OFF means the link is not connected. In the latter
case, check the line.
ON means the link is connected and OFF means the link is not connected. In the latter
case, check the line.
2.5 Router 1-Port Fractional T1 SIC
2.5.1 Introduction
1-port channelized T1/cT1/PRI compatible interface card supports:
z
Transmission/Receiving and handling of T1 data streams;
z
cT1 (channel T1) access;
z
ISDN PRI function;
z
Remote loopback and local loopback, facilitating the effective and flexible
debugging.
debugging.
It is possible to use the card for multiple purposes through different configurations.
Following are the differences between and 1-port Fractional T1 interface card (Router
1-Port Fractional T1 SIC):
1-Port Fractional T1 SIC):
z
FT1 mode of Router 1-Port Fractional T1 SIC can support only one channel
bundle (the rate is n x 56 kbps, n=1-24), while the 24 channels can be grouped
into multiple arbitrary bundles by SIC-TPRI.
bundle (the rate is n x 56 kbps, n=1-24), while the 24 channels can be grouped
into multiple arbitrary bundles by SIC-TPRI.
z
Router 1-Port Fractional T1 SIC does not support PRI mode.
2.5.2 Appearance
Figure 2-20 Router 1-Port Fractional T1 SIC
2.5.3 Interface Attributes
The interface attributes of Router 1-Port Fractional T1 SIC are given in the following
table:
table: