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Universal Broadband Router Hardware Installation Guide

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Cisco uBR10012 Universal Broadband Router Hardware Installation Guide
OL-18259-01
Chapter 5 Maintaining the Cisco uBR10012 Router
Removing and Replacing a Timing, Communication, and Control Plus Card
Removing and Replacing a Timing, Communication, and Control
Plus Card
Use the following procedure to install a new Timing, Communication, and Control Plus (TCC+) card or
to replace an existing TCC+ card. If two TCC+ cards are installed for redundant operation, one of the
cards can be removed and replaced without interrupting system operations.
Note The product order number for the TCC+ card is UBR10-TCC+=
Step 1 Attach an antistatic wrist strap to your wrist and to a bare metal, unpainted surface on the chassis or
frame.
Step 2 Face the back of the Cisco uBR10012 chassis. If necessary, clear aside enough interface and power
cables to allow sufficient space to work.
Step 3 If installing a new TCC+ card, remove the blank slot cover and discard, and then proceed to step 8.
Otherwise, disconnect the clock cables from the TCC+ card being replaced.
Step 4 Loosen the top and bottom captive screws on the TCC+ card (see Figure 5-33).
Figure 5-33 TCC+ Card Captive Screws
Step 5 Verify that the maintenance LED is lighted on the TCC+ card you are removing. This LED indicates that
the card can be removed from the chassis without interrupting systems operations.
Step 6 Using the handle, pull the TCC+ card out of the slot and place it on an antistatic surface, or in an
antistatic bag (see
Figure 5-34).
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