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3Com Router 5000 and Router 6000 v2.41
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: