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Removing Fiber-Optic Array Cables During an Operational Upgrade to a TX Matrix Plus Routing Matrix with 3D SIBs

 

Before you install 3D SIBs in the SFC and each LCC during an operational upgrade to a TX Matrix Plus routing matrix with 3D SIBs, you must remove the existing fiber-optic array cables connected to TXP-F13 and TXP-T1600 SIBs. The 3D SIBs do not use fiber-optic array cables. Instead, the 3D SIBs use active optical cables (AOCs) with integrated transceivers or CXP transceivers and CXP cables. See Line-Card Chassis Component Overview and Upgrade Kits for TX Matrix Plus Routers and Line-Card Chassis for information about the required hardware.

Before you begin, ensure that you have brought the switch fabric plane offline by using the procedures described in Upgrading an Operational TX Matrix Plus Routing Matrix to 3D SIBs. You will remove the fiber-optic array cables from one switch fabric plane at a time.

To remove the fiber-optic array cables:

  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.Caution

    Before proceeding to the next step, verify that you are removing cables only from offline SIBs by checking to see that the SIB LEDs are unlit.

  2. Remove one end of a fiber-optic array cable connector from the offline TXP-F13 SIB in the SFC.
  3. Install a dust cover on the removed cable connector. Align the dust cover with the cable connector, and carefully press them together until they stop. The cover and the cable connector are keyed to ensure proper mating.Caution

    During maintenance or replacement procedures, small deposits of oil, dust, and debris can enter the fiber-optic array ports and the fiber-optic array cable connectors.

  4. Repeat Steps 2 and 3 for each fiber-optic array cable connector attached to the offline TXP-F13 SIB in the SFC.
  5. Remove the opposite end of the fiber-optic cables from the offline TXP-T1600 SIB on an LCC.
  6. Install a dust cover on the removed cable connector. Align the dust cover with the cable connector, and carefully press them together until they stop. The cover and the cable connector are keyed to ensure proper mating.Caution

    During maintenance or replacement procedures, small deposits of oil, dust, and debris can enter the fiber-optic array ports and the fiber-optic array cable connectors.

  7. Repeat Steps 5 and 6 for each fiber-optic array cable connector attached to each offline TXP-T1600 SIB in each LCC.