Cisco CX-FEIP-1TX= Installation and con?guration Manual de instrucciones descargar pdf (Pagina 113)

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101

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Upgrades and FRUs

Upgrading to a 700-User Controller

You can increase the capacity of a 250-user controller to that of a 700-user

controller by adding the following modules:

• One DSP module for telecom support (21061/21161 based).

• One Dual FIM module.

• One 64-Channel echo canceller.

Refer to "Install Controller Components" on page 15 for module slot

locations.

To upgrade a 250-user controller to a 700-user controller:

1. Power down the controller (see page 99).

2. Disconnect all cables from the controller.

3. Remove the controller cover (see page 99 or page 100).

4. Install the Dual FIM module if you are adding peripheral cabinets or

NSUs (see “Dual Fiber Interface Module (FIM)” on page 104).

5. Install the DSP module in Slot 7 (see “DSP Module” on page 105).

6. Install the 64 echo canceller module in Slot 6 (see “Echo Canceller” on

page 112).

7. Replace the controller cover (see “Removing/Replacing LX/700-User

Controller Cover” on page 99).

8. Reconnect the cables to the controller.

9. Power up the controller (see page 22).

Tip: A second 64-channel echo canceller can be added, or the existing

64-channel echo canceller can be replaced by a 128-channel echo canceller.

Tip: To add compression channels to the upgraded system, see “DSP

Module” on page 105.

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