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Replace the Standard CBs in the T-series Routing Platform

Before you connect an offline T-series routing platform to the JCS 1200 platform, you must replace the standard control boards (CBs) with T-CBs. To replace the CBs with T-CBs:

  1. If the routing platform is powered on, issue the request system halt both-routing-engines operational mode command from the console or other management device connected to the routing platform. The command shuts down the Routing Engines cleanly, so their state information is preserved.
    user@host> request system halt both-routing-engines

    Wait until a message appears on the console confirming that the operating system has halted. For more information about the command, see the JUNOS System Basics and Services Command Reference.

  2. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis. For more information about ESD, see the JCS 1200 Platform Hardware Guide.
  3. Switch both circuit breakers on each power supply faceplate to the off position (O).

    Note: The CBs and T-CBs are hot-removable and hot-insertable if the routing node contains redundant host subsystems. However, we recommend that you power off the routing platform before you replace the CBs and T-CBs.

  4. Set the switches on each T-CB:
  5. Replace each CB with a T-CB. Use the standard replacement procedure described in the hardware guide for your routing platform.
  6. You can optionally upgrade the Routing Engines in the routing platform. To replace each Routing Engine, follow the standard replacement procedure described in the hardware guide for your routing platform.

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