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Removing and Installing Routing and Control Boards

 

Handling and Storing Routing and Control Boards

Holding Routing and Control Boards

Pay proper attention to the way you are holding Routing and Control Boards (RCBs). RCBs are installed horizontally and it is best to hold them by the sides of the units when they are not in the chassis.

To handle and store an RCB properly:

  1. Orient the RCB so that the faceplate is toward you.
  2. Grasp each side of the unit firmly as you slide the unit out of the chassis.
  3. Take care not to strike the unit against any object as you carry it.Caution

    Never hold the RCB by the connector edge. The connectors are fragile and the RCB will not seat properly if the connector is damaged.

  4. If you must rest an RCB on an edge, place a cushion between the edge and the surface.Caution

    Do not stack RCBs on top of one another or on top of any other component.

  5. Place each RCB in an individual antistatic bag or separately on an antistatic mat that is placed on a flat, stable surface.

Storing Routing and Control Boards

You must store RCBs either in the chassis or in a spare shipping container, horizontally and sheet-metal side down. Do not stack these units on top of one another or on top of any other component. Place each unit separately in an antistatic bag or on an antistatic mat placed on a flat, stable surface.

Note

Because these units are heavy, and because antistatic bags are fragile, inserting the line card into the bag is best done by two people.

To insert an RCB into an electrostatic bag:

  1. Hold the unit horizontally with the faceplate toward you.
  2. Have the second person slide the opening of the antistatic bag over the connector edge and then pull the bag to cover the unit.

If you must insert an RCB into a bag by yourself:

  1. Lay the unit horizontally on an antistatic mat that is on a flat, stable surface with the sheet metal side down.
  2. Orient the unit with the faceplate toward you.
  3. Carefully insert the connector edge into the opening of the bag and pull the bag toward you to cover the unit.

Removing a Routing and Control Board

An MX10008 can have one or two Routing and Control Boards (RCBs), depending on the configuration. RCBs can be installed in either of the two top slots on the front of the chassis.

In redundant configurations, an RCB is a hot-removable and hot-insertable field-replaceable unit (FRU). In base configurations, you need to install a second RCB before removing a failing RCB in order to prevent the router from shutting down. We recommend that you take base systems offline before replacing the RCB.

Before you remove an RCB, ensure that you have the following items:

  • An electrostatic discharge (ESD) grounding strap

  • An antistatic mat

  • Cover panel for the empty slot if you are not replacing the RCB.

Caution

In base configurations, removal of the RCB causes the system to shut down. In redundant configurations, removal of the RCB causes the system to reboot and start the election process for a new primary.

To remove an RCB:

  1. Place an antistatic bag or antistatic mat on a flat, stable surface.
  2. Use the following CLI commands to take the RCB offline.
    user@host>request vmhost power-off other-routing engine
    yes
    user@host>request chassis cb slot slot-number offline

    You can use the show chassis environment cb | match State CLI command to verify that the RCB is offline.

    user@host>show chassis environment cb | match State
  3. Wrap and fasten one end of an ESD strap around your bare wrist, and connect the other end of the strap to the ESD point on the chassis (see Figure 1).
    Figure 1: ESD Point on the Front of an MX10008
    ESD Point on the Front
of an MX10008
      1
    ESD point
     
  4. Simultaneously rotate the RCB handles counterclockwise to unseat the RCB.
  5. Grasp the handles, and slide the RCB about halfway out of the chassis (see Figure 2).
    Figure 2: Removing a Routing and Control Board
    Removing a Routing and
Control Board
  6. Grasp each side of the RCB and slide it completely out of the chassis.
  7. Place the RCB on the antistatic mat.
  8. If you are not replacing the RCB now, install a cover panel in the empty slot.

Installing a Routing and Control Board

An MX10008 can have one or two Routing and Control Boards (RCBs), depending on the configuration. RCBs can be installed in either of the two top slots on the front of the chassis.

In redundant configurations, an RCB is a hot-removable and hot-insertable field-replaceable unit (FRU). In base configurations, you need to install a second RCB before removing a failing RCB in order to prevent the router from shutting down.

Before you install a RCB, ensure that you have an electrostatic discharge (ESD) grounding strap.

To install an RCB:

  1. Wrap and fasten one end of an ESD strap around your bare wrist, and connect the other end of the strap to the ESD point on the front of an MX10008 (see Figure 3).
    Figure 3: ESD Point for MX10008 Chassis Front
    ESD Point for MX10008 Chassis
Front
      1
    ESD point
     
  2. Either remove the cover panel from the available RCB slot (see Figure 4) or remove the failing RCB (see Removing a Routing and Control Board).
    Figure 4: Removing a Routing and Control Board Cover Panel
    Removing a Routing and Control
Board Cover Panel
  3. Remove the new RCB from the electrostatic bag and inspect it for any damage before installing it into the chassis.
  4. Lift the RCB by its sides, being careful not to strike the connectors against any object.
  5. Carefully align the sides of the RCB with the guides inside the chassis.
  6. Slide the RCB into the chassis, carefully ensuring that it is correctly aligned.
  7. Grasp both handles and simultaneously rotate them clockwise until the RCB is fully seated and the handles are vertical (see Figure 5).

    The RCB begins the power-on sequence after it is fully seated.

    Figure 5: Routing and Control Board Installation
    Routing and Control Board
Installation
  8. To verify that the RCB is functioning normally, check the PWR LED on its faceplate and the CONTROL BOARDS LED on the status panel. Both LEDs should light steadily shortly after the RCB is installed. If the PWR LED is blinking yellow, there might be insufficient power available. Ensure that you have adequate power for the additional unit.

    You can also use the the show chassis environment cb command to verify that the RCB is online.