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Maintaining the PTX1000 Transceivers and Fiber-Optic Cables

 

Removing a Transceiver from the PTX1000

The transceivers for the PTX1000 are hot-removable and hot-insertable field-replaceable units (FRUs)—you can remove and replace them without powering off the PTX1000 or disrupting routing functions.

Before you begin removing a transceiver from a PTX1000, ensure that you have taken the necessary precautions for safe handling of lasers (see Radiation from Open Port Apertures Warning and Laser and LED Safety Guidelines and Warnings).

Ensure that you have the following parts and tools available:

  • Antistatic bag or an antistatic mat

  • Needlenose pliers

  • Rubber safety caps to cover the transceiver and fiber-optic cable connector

  • Dust cover to cover the port

To remove a transceiver from a PTX1000:

  1. Place the antistatic bag or antistatic mat on a flat, stable surface.
  2. Label the cable connected to the transceiver so that you can reconnect it correctly.Warning

    Do not look directly into a fiber-optic transceiver or into the ends of fiber-optic cables. Fiber-optic transceivers and fiber-optic cables connected to transceivers emit laser light that can damage your eyes.

    Warning

    Do not leave a fiber-optic transceiver uncovered except when inserting or removing a cable. The rubber safety cap keeps the port clean and prevents accidental exposure to laser light.

    Caution

    Do not bend fiber-optic cables beyond their minimum bend radius. Bending the cables beyond their minimum bend radius can damage the cables and cause problems that are difficult to diagnose.

  3. Remove the cable connected to the transceiver (see Disconnecting a Fiber-Optic Cable from the PTX1000). Cover the transceiver and the end of each fiber-optic cable connector with a rubber safety cap immediately after disconnecting the fiber-optic cables.
  4. Using your fingers, pull the ejector lever away from the transceiver to unlock the transceiver.Caution

    Before removing the transceiver, make sure you open the ejector lever completely until you hear it click. Doing this prevents damage to the transceiver.

  5. Grasp the transceiver ejector lever and gently slide the transceiver approximately 0.5 in. (1.3 cm) straight out of the port.Caution

    To avoid electrostatic discharge (ESD) damage to the transceiver, do not touch the connector pins at the end of the transceiver.

  6. Using your fingers, grasp the body of the transceiver and pull it straight out of the port (see Figure 1).
  7. Place the transceiver in the antistatic bag or on the antistatic mat placed on a flat, stable surface.
  8. Place the dust cover over the empty port.
Figure 1: Removing a Transceiver from the PTX1000
Removing a Transceiver from
the PTX1000

Installing a Transceiver in the PTX1000

The transceivers for the PTX1000 are hot-removable and hot-insertable field-replaceable units (FRUs)—you can remove and replace them without powering off the PTX1000 or disrupting routing functions.

Before you begin installing a transceiver in a PTX1000, ensure that you have taken the necessary precautions for safe handling of lasers (see Radiation from Open Port Apertures Warning and Laser and LED Safety Guidelines and Warnings).

Ensure that you have a rubber safety cap available to cover the transceiver.

To install a transceiver in a PTX1000:

Caution

To avoid electrostatic discharge (ESD) damage to the transceiver, do not touch the connector pins at the end of the transceiver.

  1. Remove the transceiver from its bag.
  2. Check to see whether the transceiver is covered by a rubber safety cap. If it is not, cover the transceiver with a rubber safety cap.Warning

    Do not leave a fiber-optic transceiver uncovered except when inserting or removing a cable. The rubber safety cap keeps the port clean and prevents accidental exposure to laser light.

  3. If the port in which you want to install the transceiver is covered with a dust cover, remove the dust cover and save it in case you need to cover the port later.
  4. Using both hands, carefully place the transceiver in the empty port. The connectors must face the PTX1000 chassis.Caution

    Before you slide the transceiver into the port, ensure that the transceiver is aligned correctly. Misalignment might cause the pins to bend, making the transceiver unusable.

  5. Slide the transceiver in gently until it is fully seated (see Figure 2).
  6. Remove the rubber safety cap when you are ready to connect a cable to the transceiver.Warning

    Do not look directly into a fiber-optic transceiver or into the ends of fiber-optic cables. Fiber-optic transceivers and fiber-optic cables connected to transceivers emit laser light that can damage your eyes.

Figure 2: Installing a Transceiver in the PTX1000
Installing a Transceiver
in the PTX1000

Disconnecting a Fiber-Optic Cable from the PTX1000

The PTX1000 has optical transceivers to which you can connect fiber-optic cables.

Before you disconnect a fiber-optic cable from a PTX1000, ensure that you have taken the necessary precautions for safe handling of lasers (see Radiation from Open Port Apertures Warning and Laser and LED Safety Guidelines and Warnings).

Ensure that you have the following parts and tools available:

  • Rubber safety cap to cover the transceiver

  • Rubber safety cap to cover the fiber-optic cable connector

To disconnect a fiber-optic cable from an optical transceiver installed in the PTX1000:

  1. (Recommended) Disable the port in which the transceiver is installed by including the disable statement at the [edit interfaces] hierarchy level for the specific interface:
    [edit interfaces]
    set interface-name disable
    Warning

    Do not look directly into a fiber-optic transceiver or into the ends of fiber-optic cables. Fiber-optic transceivers and fiber-optic cables connected to transceivers emit laser light that can damage your eyes.

    Warning

    Do not stare into the laser beam or view it directly with optical instruments even if the interface has been disabled.

  2. Carefully unplug the fiber-optic cable connector from the transceiver.
  3. Cover the transceiver with a rubber safety cap.Warning

    Do not leave a fiber-optic transceiver uncovered except when inserting or removing a cable. The rubber safety cap keeps the port clean and prevents accidental exposure to laser light.

  4. Cover the fiber-optic cable connector with the rubber safety cap.

Connecting a Fiber-Optic Cable to the PTX1000

The PTX1000 has optical transceivers to which you can connect fiber-optic cables.

Before you connect a fiber-optic cable to a PTX1000, ensure that you have taken the necessary precautions for safe handling of lasers (see Radiation from Open Port Apertures Warning and Laser and LED Safety Guidelines and Warnings).

To connect a fiber-optic cable to an optical transceiver installed in the PTX1000:

Warning

Do not look directly into a fiber-optic transceiver or into the ends of fiber-optic cables. Fiber-optic transceivers and fiber-optic cables connected to transceivers emit laser light that can damage your eyes.

Warning

Do not stare into the laser beam or view it directly with optical instruments even if the interface has been disabled.

  1. If the fiber-optic cable connector is covered by a rubber safety cap, remove the cap. Save the cap.
  2. If the optical transceiver is covered by a rubber safety cap, remove the cap. Save the cap.
  3. Insert the cable connector into the optical transceiver.
  4. Secure the cable so that it does not support its own weight. Place excess cable out of the way in a neatly coiled loop. Placing fasteners on a loop helps cables maintain their shape.Caution

    Do not bend fiber-optic cables beyond their minimum bend radius. Bending the cables beyond their minimum bend radius can damage the cables and cause problems that are difficult to diagnose.

    Caution

    Do not let fiber-optic cables hang free from the connector. Do not allow fastened loops of cables to dangle, which stresses the cables at the fastening point.

Maintaining Fiber-Optic Cables in a PTX1000

To maintain fiber-optic cables in a PTX1000:

  • When you unplug fiber-optic cables from transceivers, place rubber safety caps over the transceivers and on the end of the cables.

  • Anchor fiber-optic cables to avoid stress on the connectors. When attaching a fiber-optic cable to a transceiver, be sure to secure the fiber-optic cable so that it does not support its own weight as it hangs to the floor. Never let a fiber-optic cable hang free from the connector.

  • Do not bend fiber-optic cables beyond their minimum bend radius. Bending the cables beyond their minimum bend radius can damage the cables and cause problems that are difficult to diagnose.

  • Frequent plugging and unplugging of fiber-optic cables in and out of optical instruments can damage the instruments, which are expensive to repair. Attach a short fiber extension to the optical equipment. Any wear and tear due to frequent plugging and unplugging is then absorbed by the short fiber extension, which is easier and less expensive to replace than the instruments.

  • Keep fiber-optic cable connections clean. Microdeposits of oil and dust in the canal of the transceiver or cable connector can cause loss of light, reduction in signal power, and possibly intermittent problems with the optical connection.

    To clean the transceiver canal, use an appropriate fiber-cleaning device such as RIFOCS Fiber Optic Adaptor Cleaning Wands (part number 946). Follow the directions in the cleaning kit you use.

    After cleaning the transceiver, make sure that the connector tip of the fiber-optic cable is clean. Use only an approved alcohol-free fiber-optic cable cleaning kit such as the Cletop-S® Fiber Cleaner. Follow the directions in the cleaning kit you use.