Inc. Fast Ethernet Switch Installation Guide

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3.3 Gigabit Ethernet Slots
Each Gigabit Ethernet slot can accommodate one optional Gigabit Ether-
net module for your Gigabit connection. The following modules are avail-
able for selection:
Module Wavelength Connector type Fiber cable
2240-SX 850nm SC Multimode fiber
2240-SXJM 850nm MT-RJ Multimode fiber
Module Fiber cable used Maximum length
2240-SX 50/125µm 500 meters
2240-SX 62.5/125µm 220 meters
2240-SXJM 50/125µm 500 meters
2240-SXJM 62.5/125µm 220 meters
Module Outline
The following figure illustrates two examples of Gigabit modules. Differ-
ent types of modules are mounted with different fiber connectors.
Gigabit Ethernet Modules (Top view)
Auto-negotiation function