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Replacing SFP and XFP Transceivers on I/O Cards on the SRX3400 Services Gateway

Small Form-factor Pluggable (SFPs) and 10-Gigabit Small Form-factor Pluggable (XFPs) are optical transceivers that are installed in IOCs. SFPs and XFPs are hot-insertable and hot-removable. Removing an SFP or XFP does not interrupt IOC functioning, but the removed SFP or XFP no longer receives or transmits data.

Note: Juniper strongly recommends the use of Juniper transceivers. Juniper cannot guarantee correct operation if non-Juniper transceivers are used. The transceiver type can be different in each port, as long as a supported part number is used.

To replace an SFP or XFP transceiver:

  1. Have ready a replacement transceiver or a transceiver slot plug, an antistatic mat, and a rubber safety cap for the transceiver.
  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.
  3. Label the cables connected to the transceiver so that you can reconnect them correctly later.

    Warning: Do not look directly into a fiber-optic transceiver or into the end of a fiber-optic cable. Fiber-optic transceivers contain laser light sources that can damage your eyes.

  4. Remove the cable connector plugged into the transceiver.
  5. Carefully drape the disconnected cables to prevent the cable from developing stress points.

    Caution: Avoid bending fiber-optic cable beyond its minimum bend radius. An arc smaller than a few inches in diameter can damage the cable and cause problems that are difficult to diagnose.

  6. Pull the ejector handle out from the transceiver to unlock the transceiver.

    Caution: Make sure that you open the ejector handle completely until you hear it click. This prevents damage to the transceiver.

    Use needlenose pliers to pull the ejector handle out from the SFP.

  7. Grasp the transceiver ejector handle and pull the transceiver approximately 0.5 in. (1.3 cm) out of the IOC.
  8. Using your fingers, grasp the body of the transceiver and pull it the rest of the way out of the IOC.

    Figure 58: Removing SFPs or XFPs

    Image g002266.gif

  9. Place a rubber safety cap over the transceiver.
  10. Place the removed transceiver on an antistatic mat or in an electrostatic bag.
  11. Repeat steps 3 through 10 for each transceiver you need to replace.
  12. Take each new transceiver to be installed out of its electrostatic bag and identify the port on the IOC where it will be installed.
  13. Verify that each transceiver is covered by a rubber safety cap. If it is not, cover the transceiver with a safety cap.
  14. Carefully align the transceiver with the slots in the IOC . The connectors should face the IOC.
  15. Slide the transceiver until the connector is seated in the IOC slot. If you are unable to fully insert the transceiver, make sure the connector is facing the right way.
  16. Close the ejector handle of the transceiver.
  17. Remove the rubber safety cap from the transceiver and the end of the cable. Reconnect the cables into the transceivers.
  18. Verify that the status LEDs on the IOC faceplate indicate that the SFP or XFP is functioning correctly. You can also verify that the IOC is functioning by issuing the show chassis fpc pic-status command.

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