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Installation Manual
Quidway Eudemon 200 Firewall
Chapter 7 Interface Module
7-9
optical port of the peer device; insert one end of another optical fiber into the Tx optical
port of 1MFX/1SFX, and the other end into the Rx optical port of the peer device.
Step 2:
Power on the firewall and check the status of the LINK LED on the 1MFX/1SFX
panel. ON means the Rx link has been connected and OFF means the Rx link is not
connected. In the latter case, check the line.
7.6 4E1
7.6.1 Introduction
4E1 is 4-port channelized E1 interface module. The 4E1 module not only supports FE1
mode which can form only a bundle. In other words, the time slots can only be bundled
into one channel at the speed of nx64K, given n=1-31, but also a 4E1 module supports
channelized E1 (CE1) mode and PRI mode.
7.6.2 Interface Attributes
Table 7-6 describes the interface attributes of 4E1.
Table 7-6
Interface attributes of 4E1
Description
Attribute
4E1
Connector
DB-25
Connector
number
1
Interface
standard
G.703, G.704
Interface speed
2.048Mbps
Cable
E1 75-ohm non-balanced coaxial cable
E1 120-ohm balanced twisted-pair cable
Coaxial connector, network connector, 75-to-120-ohm adapter (with BNC
connector)
Operating mode
FE1, CE1, PRI
Supported
network protocol
IP
Novell
IPX
Supported
service
Backup
Terminal access service
Supported
PPP