Cabletron Systems 6E122-26, User Manual, Page: 20 / 184

Chapter 1: Introduction
1-8 6E122-26, 6E132-25, 6E123-26 and 6E133-25 User’s Guide
1.4 OPTIONAL FEATURES
Options for the 6E12X-26 and 6E13X-25 are Fast Ethernet Interface
Modules and High Speed Interface Modules, which add remote uplink
capability.
Cabletron Systems provides Fast Ethernet Interface Modules for the
6E12X-26 to support uplinks to 100 Mbps Ethernet backbones or high
speed connections to local servers. The Fast Ethernet Interface Modules
are listed in
Table 1-1 .
Cabletron Systems provides High Speed Interface Modules for the
6E13X-25 to provide for additional connectivity to other high speed
networking technologies such as ATM, WANs and FDDI. The HSIMs
available for the 6E13X-25 are listed in the Release Notes.
Table 1-1 Fast Ethernet Interface Modules
P/N Description Application
FE-100TX
Uses RJ45
connector
Supports Category 5 Unshielded Twisted Pair
(UTP) cabling with an impedance between 85
and 111 ohms.
FE-100FX
Uses SC
connector
Supports multimode fiber optic cabling.
FE-100F3
Uses SC
connector
Supports single mode fiber optic cabling.