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Removing and Installing Routing and Control Boards

 

How to Handle and Store an MX10016 Routing and Control Board

The MX10016 chassis has several field-replaceable units (FRUs) that have fragile components. To avoid damaging the routing and control boards (RCBs), you must follow safe handling practices.

Handling Routing and Control Boards

Pay proper attention to how you are handling Routing and Control Boards (RCBs). Because RCBs are installed horizontally, we recommend that you hold them by the sides of the units when they are not in the chassis.

To handle an RCB properly:

  1. Orient the RCB so that the faceplate of the unit 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 an RCB by the connector edge. The connectors are fragile. You cannot seat an RCB properly if the connectors are damaged.

  4. If you must rest an RCB on an edge, place a cushion between the connector 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 electrostatic bag or separately on an antistatic mat that is placed on a flat, stable surface.

Storing RCBs

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 in an individual electrostatic bag or separately on an antistatic mat placed on a flat, stable surface.

Note

Because RCBs are heavy, and because electrotatic bags are fragile, inserting an RCB into the bag is best done by two people.

To insert an RCB into an electrostatic bag with the help of another person:

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

To 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 of the unit facing down.
  2. Orient the unit with the faceplate toward you.
  3. Carefully insert the connector edge into the opening of the bag, and then pull the bag toward you to cover the unit.

Removing a Routing and Control Board

An MX10016 can have one or two Routing and Control Boards (RCBs), depending on the configuration. You can install an RCB 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 off 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 selection process for a new primary RCB.

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 MX10016
    ESD Point on the Front of an MX10016
  4. Simultaneously rotate the RCB handles counterclockwise to unseat the RCB.
  5. Grasp both 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 MX10016 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 MX10016 (see Figure 3).
    Figure 3: ESD Point on the Front of an MX10016
    ESD Point on the Front of an
MX10016
  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 the RCB 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 ensuring that it is correctly aligned.
  7. Grasp both the 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.

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

    See Power Requirements for MX10016 Components to ensure that you have adequate power for the newly installed RCB.