I/O Modules; I/O Port Module Media Types - Cabletron Systems SmartCell 6A000 User Manual

Hardware Components
Three types of I/O modules are available with different physical media types, but all are based on the same basic card
design.
Table A-3
Module Type
155 Mbps STS-3c/STM-1
SMF/MMF, 4 ports
155 Mbps STS-3c/STM-1
MMF, 4 ports
155 Mbps STS-3c/STM-1
UTP5, 4 ports
155 Mbps STS-3c/STM-1
UTP5, 4 Ports
Figure A-2 I/O modules
Appendix A-4 SmartCell 6A000 User Guide

I/O port module media types

Characteristics
Provides one single-mode fiber optic (SMF) and three multimode fiber optic (MMF)
user interfaces, physically connected with male SC-type fiber optic cables. The first of
the four ports is the single-mode connection.
Provides four SC-Duplex multimode fiber optic (MMF) user interfaces, physically
connected with male SC-type fiber optic cables.
Provides four Category 5 unshielded twisted pair (UTP-5) user interfaces, physically
connected with male RJ-45 cables.
155 Mbps STS-3c/STM-1
MMF, 4 Ports
Features and Specifications
155 Mbps STS-3c/STM-1
SMF/MMF, 4 Ports