Cisco Systems Cisco uBR10012 manual Connect the clock cables to the TCC+ card

Chapter 5 Maintaining the Cisco uBR10012 Router

Removing and Replacing a Timing, Communication, and Control Plus Card

Figure 5-35 Inserting the TCC+ Card

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Step 10 Secure the line card in the chassis by tightening the top and bottom captive screws (see Figure 5-33).

Caution Always tighten the captive screws on each TCC+ card. These screws prevent accidental removal and provide proper grounding for electromagnetic interference (EMI) shielding.

Step 11 When fully inserted, the TCC+ card cycles through its power-on self-test. The Power LED lights (green) and the Status LED then briefly lights (yellow). If this is the primary (or only) TCC+ card, the Status LED then lights a solid green. On the backup TCC+ card, the Status LED should start flashing green after a few moments. If these LEDs do not operate as described, go to the “Troubleshooting Installation Problems” section on page 4-2.

Step 12 Connect the clock cables to the TCC+ card.

Caution The TCC+ card can connect only to a national clock source such as a GPS receiver or Building Integrated Timing Supply (BITS) clock. The Cisco uBR10012 router does not support directly connecting the RJ-45 connectors on the TCC+ cards to an outside plant line or telco-provided T1/E1 clock source. You can use an outside or telco-provided T1/E1 clock source only by connecting the source to the TCC+ cards using a CSU/DSU or other equipment that is approved to FCC part 68 and ANSI/UL1950 for the connection to the Public Switched Telephone Network (PSTN).

Note It is not necessary to configure the TCC+ card if you are installing a replacement card in the same slot. The system automatically downloads the necessary configuration information from the PRE module.

Step 13 Configure the TCC+ card if necessary (see the “Formatting PC Media Cards” section on page 3-66, or the Cisco uBR10012 Router Software Configuration Guide).

	Cisco uBR10012 Universal Broadband Router Hardware Installation Guide
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