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Replacing an MX960 AS MSC

 

Removing an MX960 AS MSC

AS MSCs are hot-insertable and hot-removable. When you remove an AS MSC, the router continues to function.

The AS MSCs are located in the AS MLCs installed in the front of the router. An AS MSC weighs 1.4 lb (0.6 kg).

To remove an AS MSC (see Figure 1):

  1. Place an electrostatic bag or antistatic mat on a flat, stable surface to receive the AS MSC.
  2. Attach an ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis.
  3. Use one of the following methods to take the AS MSC offline:
    • Press its online/offline button. Use a narrow-ended tool that fits inside the opening that leads to the button. Press and hold the button until the AS MSC LED goes out (about 5 seconds).

    • Issue the following CLI command:

      user@host> request chassis pic fpc-slot fpc-slot pic-slot pic-slot offline

      For more information about the command, see the CLI Explorer.

  4. Slide the AS MSC out of the AS MLC card carrier by pulling the handles, and place it in the electrostatic bag or on the antistatic mat.
  5. If you are not reinstalling an AS MSC into the emptied AS MSC slot within a short time, install a blank AS MSC panel over the slot to maintain proper airflow in the AS MLC card cage.
Figure 1: Removing an AS MSC
Removing an AS MSC

Installing an MX960 AS MSC

To install an AS MSC (see Figure 2):

  1. Attach an ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis.
  2. Align the notches in the connector at the rear of the AS MSC with the notches in the AS MSC slot (slot 0—the top slot in the AS MLC ), and then slide the AS MSC in until it lodges firmly in the AS MLC.Caution

    Slide the AS MSC straight into the slot to avoid damaging the components on the bottom of the AS MSC.

  3. Use one of the following methods to bring the AS MSC online:
    • Press the AS MSC offline/online button until the LED light turns green.

    • Issue the following CLI command:

      user@host> request chassis pic fpc-slot fpc-slot pic-slot pic-slot online

      For more information about the command, see the CLI Explorer.

    The normal functioning status LED confirms that the AS MSC is online. You can also verify correct AS MSC functioning by issuing the show chassis fpc pic-status command..

Figure 2: Installing an AS MSC
Installing an AS MSC