3Com Router Module Guide
Chapter 2 Smart Interface Cards
2-13
Step 4: Check the LED on the SIC panel: ON means the SIC is normally powered on.
If it is OFF, contact the agent.
2.4 ROUTER 1-PORT FRACTIONAL E1 SIC
2.4.1 Introduction
1-port channelized E1/cE1/PRI compatible interface card supports:
z
Transmission/Receiving and handling of E1 data streams;
z
CE1 (channelized E1) access;
z
ISDN PRI function;
z
Remote loopback and local loopback functions, facilitating fault test and location.
It is possible to use the card for multiple purposes through different configurations.
Following are the differences between SIC-EPRI and 1-port Fractional E1 interface
card (ROUTER 1-PORT FRACTIONAL E1 SIC):
z
FE1 mode of ROUTER 1-PORT FRACTIONAL E1 SIC can support only one
channel bundle (the rate is n x 64kbps, n=1-31), while the 31 channels can be
grouped into multiple arbitrary bundles by SIC-EPRI;
z
ROUTER 1-PORT FRACTIONAL E1 SIC does not support PRI mode.
2.4.2 Appearance
Figure 2-13
ROUTER 1-PORT FRACTIONAL E1 SIC
2.4.3 Interface Attributes
The interface attributes of ROUTER 1-PORT FRACTIONAL E1 SIC are given in the
following table:
