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3Com Router 5000 and Router 6000 v2.41
Module Guide
Chapter 4 Flexible Interface Cards (Router 6000)
4-21
Caution:
Before connecting an FIC card, identify the type of the equipment to be connected (that is, the
synchronous/asynchronous mode, DTE/DCE mode, and so on), signaling criterion required by the
access equipment, baud rate, and line clock.
Step 1: Identify type of the interface to be connected and then choose the correct
synchronous/asynchronous serial interface cable.
Step 2: Plug the DB-28 connector of the cable to the corresponding DB-28 port on the
FIC-SAE card.
Step 3: Connect the other end of the cable as follows:
z If the WAN is a DDN line, connect the cable to the port on the CSU/DSU.
z If the WAN is a dialup line, connect the cable to the serial port of an analog
modem.
Step 4: Power on the router, and check behavior of the LINK LED on the FIC-SAE
panel. It is OFF when fault occurs on the line and signal is not synchronized. Check
the line status.
4.7 Router 4-Port CE1/PRI FIC
4.7.1 Introduction
I. Router 4-Port CE1/PRI FIC
Router 4-Port CE1/PRI FIC, the 4-port channelized E1/PRI interface card, transmits,
receives, and processes E1 data traffic. In addition, you can use the card for other
purposes, such as CE1 access and the ISDN PRI function.
4.7.2 Interface Attributes
The following table describes the interface attributes of the FIC-E1 and FIC-E1-F
cards.
Table 4-14 Interface attributes of the FIC-E1 and FIC-E1-F cards
Description
Attribute
Router 4-Port CE1/PRI
FIC
Connector
DB-25