- CABLETRON Systems, Inc, SmartSwitch User's Guide 2E42-27, 2E42-27R, 2E43-27, 2E43-27R

Chapter 1: Introduction
1-8 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide
1.4.10 Optional Features
Options for the 2E4X-27 include Fast Ethernet Interface Modules and
High Speed Interface Modules to add additional interface capability.
Cabletron Systems provides Fast Ethernet Interface Modules 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.
.
High Speed Interface Modules (HSIMs) are available from Cabletron
Systems for additional connectivity to various networking technologies.
The HSIMs available for the 2E4X-27 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, which has an impedance of 85 to
111 ohms, and Shielded Twisted Pair (STP)
cabling.
FE-100FX
Uses SC
connector
Supports multimode fiber optic cabling.
FE-100F3
Uses SC
connector
Supports single mode fiber optic cabling.