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Replacing the Switch Fabric Board on the SRX3400 Services Gateway

The SFB is accessible from the front panel, in the topmost slot. It weighs approximately 5.1 lb (2.3 kg). Before you replace the SFB, you must power off the Services Gateway.

To replace an SFB:

  1. 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 Preventing Electrostatic Discharge Damage to the SRX3400 Services Gateway.
  2. If you have not already done so, power off the device by pressing the Power button on the front panel of the Switch Fabric Board (SFB) for three to five seconds.

    The PWR LED blinks to show you that the device is shutting down. Wait for the device to shut down before proceeding.

  3. Place an electrostatic bag or antistatic mat on a flat, stable surface.
  4. Disconnect any cables attached to the AUX, USB, or Ethernet ports.
  5. Loosen the screws on either end of the SFB front panel.
  6. Pull open the ejector handles and slide the SFB halfway out of the chassis.
  7. Place one hand underneath the SFB to support it and slide it completely out of the chassis.
  8. Place the SFB on the antistatic mat.

    Figure 48: Removing the SFB

    Image g036026.gif

  9. If you are not replacing the SFB now, install a blank panel over the empty slot.
  10. Carefully align the sides of the replacement SFB with the guides inside the chassis.
  11. Slide the SFB into the chassis until you feel resistance.
  12. Grasp both ejector handles and press toward the center of the card to fully seat the SFB.
  13. Tighten the screws on either side of the card.
  14. Reconnect any cables previously attached to the AUX, USB, or Ethernet ports.

    Figure 49: Inserting the SFB

    Image g036025.gif

  15. Power on the Services Gateway by pressing the Power button on the front panel of the SFB for three to five seconds. Wait for the device to start.
  16. Verify that the SFB is functioning normally by checking the LEDs on its faceplate. The SFB STATUS LED should light steadily green a few minutes after the device is powered on. If the SFB STATUS LED is red, remove and install the SFB again. If the SFB STATUS LED still lights steadily red, the SFB is not functioning properly. Contact your customer support representative.

    To check the status of the SFB:


    user@host> show chassis environment fpc 0
    CB 0 status:
  State                      Online Master
  Temperature                30 degrees C / 86 degrees F
  Power 1
    1.2 V                     1202 mV
    1.5 V                     1511 mV
    1.8 V                     1798 mV
    2.5 V                     2481 mV
    3.3 V                     3306 mV
    5.0 V                     4956 mV
    12.0 V                   12084 mV
    1.25 V                    1250 mV
    3.3 V SM3                 3287 mV
    5.0 V RE                  5046 mV
    12.0 V RE                11910 mV
  Power 2
    11.3 V bias PEM          11292 mV
    11.3 V bias FPD          11156 mV
    11.3 V bias POE 0        11253 mV
    11.3 V bias POE 1        11272 mV
  Bus Revision               42
  FPGA Revision              1

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