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DEFINITY Made Easy Tools
Issue 3, December 2001



Install Additional Hardware

Installing the TN2501AP circuit pack


Danger! To prevent electrostatic discharge (ESD), be sure to wear a grounding strap while handling the circuit pack.

  1. Remove connector (if any) from the back of the switch cabinet corresponding to the TN2501AP circuit pack slot.

  2. Insert the circuit pack into any port slot and close the latch securely.

    3. At first, both the red and green LEDs are on steady, then the green LED flashes. If there are announcements on the circuit pack, the amber LED flashes while the announcements are copied from FLASH to RAM. After approximately 3-5 minutes, all of the top 3 LEDs go out, although this time is longer if there are announcements already recorded on the circuit pack.


Note: If the TN2501AP or TN750 circuit packs are at the system limit and you insert a VAL circuit pack, the red LED on that circuit pack stays on, indicating that the system does not accept it.

  1. Connect the Backplane Adapter to the Amphenol connector on the back of the switch cabinet, corresponding to the TN2501AP circuit pack slot.

  2. Connect the LAN cable to the RJ-45 connector on the Backplane Adapter.

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