Chapter 3 Installing Supervisor Engines

Attaching the Network Interface Cables

Attaching Optical Network Interface Cables

Before you remove the dust plugs from the connector optical bores and make any connections, observe the following guidelines:

Always keep the protective dust plugs on the unplugged fiber-optic cable connectors and the transceiver optical bores until you are ready to make a connection.

Caution Do not remove the plugs from the transceiver optical bores or the fiber-optic cable until you are ready to connect the cable. The plugs protect the transceiver optical bores and cable from contamination.

Always inspect and clean the SC or the LC connector end-faces just before making any connections. Refer to the Tip on inspecting and cleaning fiber-optic connections for the location of a document that describes the fiber-optic inspection and cleaning process.

Always grasp the SC or the LC connector housing instead of the fiber-optic cable to plug or unplug the fiber-optic cable.

To install the optical interface cables, follow these steps:

Step 1 Remove the dust plugs from the network interface cable optical connectors. Save the dust plugs for future use.

Step 2 Immediately inspect and clean the optical connector’s fiber-optic end faces.

Tip For complete information on inspecting and cleaning fiber-optic connections, see the document at this URL:

http://www.cisco.com/en/US/tech/tk482/tk876/technologies_white_paper09186a0080254eba.shtml

Mode-Conditioning Patch Cord

A mode-conditioning patch cord is recommended for use with an LX/LH GBIC transceiver or an LX/LH SFP transceiver and multimode fiber (MMF) to allow reliable laser transmission. Table 3-2lists the three types of mode-conditioning patch cords available from Cisco:

Table 3-2 Mode-Conditioning Patch Cords

Mode-Conditioning Patch Cord

Description

 

 

CAB-GELX-625=

IEEE 802.3z-compliant optical fiber assembly consisting

 

of a single-mode fiber permanently coupled off-center to a

 

62.5-micron multimode optical fiber with duplex SC male

 

connectors at both ends. The patch cord is 3 meters (9.84

 

feet) in length.

 

 

Catalyst 6500 Series Supervisor Engine Guide

3-18

OL-7397-03

 

 

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Cisco Systems DSN09EVS720ACK9 manual Attaching Optical Network Interface Cables, Mode-Conditioning Patch Cord

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