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Replace TN772 duplication interfaces with the TN792 duplication interfaces (R6si or earlier) [R9si]

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  1. Remove the TN772 Duplication Interface circuit packs and place them in antistatic packing material.

  2. Leave the existing duplication cables connected to the backplane. The fiber optic cable connecting the new TN792 Duplication Interface circuit packs does not replace these cables.

  3. Insert the TN792 Duplication Interface circuit packs into the slots labeled DUPN INTFC.

  4. If the R9si carrier is located in a Multicarrier Cabinet, attach the 14-in. fiber optic cable to the faceplates of the installed TN792 Duplication Interface circuit packs (see Fiber optic cable connecting the two TN792 duplication interface circuit packs (multicarrier cabinet only)).

    or

    If the R9si carrier is in a Single-Carrier Cabinet, then attach the 10-ft fiber optic cable to the faceplates of the installed TN792 Duplication Interface circuit packs using the fiber optic pass-thru kit. For details, see Install Fiber Optic Cable Pass-Thru Kit (Single-Carrier Cabinets).

Fiber optic cable connecting the two TN792 duplication interface circuit packs (multicarrier cabinet only)

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