3Com Router Module Guide
Chapter 4
4-20
4.4 ROUTER 4-PORT CE1/PRI FIC
4.4.1 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.
4.4.2 Interface Attributes
The following table describes the interface attributes of the FIC-E1 and FIC-E1-F
cards.
Table 4-10
Interface attributes of the FIC-E1 and FIC-E1-F cards
Description
Attribute
ROUTER 4-PORT
CE1/PRI FIC
Connector
DB-25
Number of
connectors
1
Interface
standard
G.703, G.704
Interface rate
2.048 Mbps
Cable type
E1 75-ohm unbalanced coaxial cable
E1 120-ohm balanced twisted-pair cable
120-ohm 4E1 adapter cable (ROUTER 4-PORT CE1/PRI FIC)
75-ohm 4E1 adapter cable (ROUTER 4-PORT CE1/PRI FIC)
Coaxial connector, network connector, 75-to-120-ohm adapter (with BNC
connector)
Supported
service
Backup
Leased line