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Installing the GBIC Module or SFP Module Interface Cables

Figure 11

Note

Different manufacturers have different types of latching mechanisms for Gigabit Ethernet SFP modules.

There is no correlation of the type of latch to the model (such as SX or LH) or technology type (such as

Gigabit Ethernet) of SFP modules. See the label for the SFP technology type and model. The SFP

modules use LC-type connectors.

Installing the GBIC Module or SFP Module Interface Cables

This section describes how to attach the interface cables to the GBIC module or SFP module.

Optical fiber cables are commercially available; they are not available from Cisco Systems.

Note

Attaching Multimode and Single-Mode Optical Fiber Cables

Attach the appropriate optical fiber cable directly to the SC-type receptacle on the GBIC module or the

LC-type connector on the SFP module. You can use either simplex or duplex connectors for most

devices. (See

•

If you plan to use a GBIC-LX/LH or GLC-LH-SM at distances greater than 984.25 feet (300 meters)

Caution

over 50/125-micron or 62.5/125-micron multimode fiber, to prevent data transmission problems you

must use the mode-conditioning patch cord. (See the

section on page

Gigabit Interface Converter (GBIC) Module and Small Form-Factor Pluggable (SFP) GBIC Module Installation Information and Specifications

SFP Module Showing a Variety of Latches

Sliding latch

Swing and slide latch

Figure

12.)

For simplex connectors, two cables are required, one cable for transmit (TX) and a second cable for

receive (RX).

For duplex connectors, only one cable that has both TX and RX connectors is required.

22.)

Swing latch

"Attaching the Mode-Conditioning Patch Cord"

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