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Cisco ONS 15454 SDH Troubleshooting Guide, R5.0
July 2005
Chapter 1 General Troubleshooting
1.12.2 Faulty Fiber-Optic Connections
For a list of available GBICs and SFPs for Ethernet cards and FC_MR-4 cards, refer to the
Cisco ONS 15454 SDH Reference Manual Chapters 5 and 6, respectively. For a list of available SFPs for
TXP and MXP cards, refer to the Cisco ONS 15454 DWDM Installation and Operations Guide.
Note The GBICs are very similar in appearance. Check the GBIC label carefully before installing it.
Remove GBIC or SFP Connectors
Step 1 Disconnect the network fiber cable from the GBIC SC connector or SFP LC duplex connector.
Warning
Invisible laser radiation may be emitted from disconnected fibers or connectors. Do not stare into
beams or view directly with optical instruments.
Statement 1051
Step 2 Release the GBIC or SFP from the slot by simultaneously squeezing the two plastic tabs on each side.
Step 3 Slide the GBIC or SFP out of the Gigabit Ethernet module slot. A flap closes over the GBIC or SFP slot
to protect the connector on the Gigabit Ethernet card.
Step 4 To replace a GBIC, see the “Install a GBIC with Clips” procedure on page 1-142 or the “Install a GBIC
with a Handle” procedure on page 1-143. To replace an SFP, see the “Replace Faulty GBIC or SFP
Connectors” procedure on page 1-141.
Install a GBIC with Clips
Step 1 Remove the GBIC from its protective packaging.
Step 2 Check the label to verify that the GBIC is the correct type (SX, LX, or ZX) for your network.
Step 3 Verify that you are installing compatible GBICs; for example, SX to SX, LX to LX, or ZX to ZX.
Step 4 Grip the sides of the GBIC with your thumb and forefinger and insert the GBIC into the slot on the
E1000-2, E1000-2-G, G1000-4, or G1K-4 card (Figure 1-56).
Note GBICs are keyed to prevent incorrect installation.
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