Replacing an SRX Clustering Module on the SRX3400 Services Gateway

When installed, the SRX Clustering Module (SCM) is located in the rear slot labeled RE1 on the services gateway.

To replace the SCM:

  1. Place an electrostatic bag or antistatic mat on a flat, stable surface.
  2. Attach an 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.
  3. If you have not already done so, power off the services gateway 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 services gateway is shutting down. Wait for the services gateway to shut down before proceeding.

  4. Loosen the captive screws at each end of the SCM faceplate.
  5. Pull open the ejector handles to unseat the SCM.
  6. Grasp the SCM by the ejector handles and slide it halfway out of the chassis.

    Figure 56: Removing an SCM

    Removing an SCM
  7. Place one hand underneath the SCM to support it and slide it completely out of the chassis.
  8. Place the SCM on the antistatic mat.
  9. Carefully align the sides of the replacement SCM with the guides inside the chassis.
  10. Slide the SCM into the slot until you feel resistance, and then press the SCM faceplate until it engages the connectors.
  11. Press both of the ejector handles inward to seat the SCM.
  12. Tighten the captive screws at either end of the SCM faceplate.

    Figure 57: Installing an SCM

    Installing an SCM
  13. Power on the services gateway by pressing the Power button on the front panel of the SFB for three to five seconds.

    If the services gateway is configured for chassis clustering, the OK/FAIL LED on the SCM faceplate should blink green, then light steadily. For more information about configuring and managing chassis clusters, see the chapter “Chassis Cluster” in the Junos OS Security Configuration Guide PDF Document.

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