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Cisco CRS-1 Carrier Routing System 8-Slot Line Card Chassis Installation Guide
OL-6256-08
Chapter 4 Installing and Removing MSCs, PLIMs, and Associated Components
How to Install or Remove a Small Form-Factor Pluggable (SFP) Module
What to Do Next
After performing this task, replace any front cover plates.
Verifying the Installation of a PLIM
This section describes how to verify that the PLIM has been properly installed.
Figure 4-36 shows the PLIM front panel (in this case a 16 x OC-48c/STM-16c packet-over-SONET
[POS]).
Figure 4-36 PLIM Front Panel
Troubleshooting the PLIM
If the installed or replaced PLIM fails to operate or to power up on installation:
• Make sure that the PLIM is seated firmly in the Cisco CRS-1 8-slot line card chassis slot. One easy
way to verify physical installation is to see whether the front faceplate of the PLIM is even with the
fronts of the other PLIMs installed in the card cage.
• Check whether the ejector levers are latched and that the captive screws are fastened properly. If you
are uncertain, unlatch the levers, loosen the screws, and attempt to reseat the PLIM.
• Examine the alarm LEDs on the RP to see if there are any active alarm conditions.
• Examine the power shelves to see whether the chassis, as a whole, is receiving power.
Use the status LEDs, located on the PLIM faceplate, to verify the correct installation of the card:
There are two types of LEDs on a PLIM: the board-level LED labeled Status and the port-level LEDs
that are labeled differently depending on the PLIM type. When the PLIM is properly installed, the Status
LED turns green. If this LED is off, verify that the MSC is installed correctly. For details on the
information provided by the port-level LEDs, see the documentation specific to that PLIM.
How to Install or Remove a Small Form-Factor Pluggable (SFP)
Module
This section contains the following procedures:
• Installing a Bale-Clasp SFP Module
• Removing a Bale-Clasp SFP Module
For general information about SFP modules, see the “Information About Small Form-Factor Pluggable
(SFP) Modules” section on page 4-12. For information on SFP optical cleaning, see “Inspection and
Cleaning Procedures for Fiber-Optic Connections,” at the following URL:
http://www.cisco.com/warp/public/127/cleanfiber2.html
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