3-18
Catalyst 6500 Series Supervisor Engine Guide
OL-7397-03
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:
Ta b l e 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.
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