Cisco 6509E Supervisor Guide - Page 86
Attaching Optical Network Interface Cables, Mode-Conditioning Patch Cord, Description
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Attaching the Network Interface Cables Chapter 3 Installing Supervisor Engines 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 Step 2 Remove the dust plugs from the network interface cable optical connectors. Save the dust plugs for future use. 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 CAB-GELX-625= Description 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. 3-18 Catalyst 6500 Series Supervisor Engine Guide OL-7397-03