remove the controller station port designation.

The green light goes out..

5Now select the station port you want to designate as the controller station port by touching its Auto

Intercom button.

The green light goes on.

TO Replace a Module When replacing a module, you need a MERLIN system voice terminal then follow these steps:

1Plug a voice terminal into the controller station port.

>Use an analog voice terminal if the controller station port is located on an analog module.

>Use a digital voice terminal if the controller station port is located on. a digitd module.

2Enter programming mode:

>On an analog voice terminal, slide the T/P switch to P.

>On a digital voice terminal, dial #33.

3To exit the On-Line Module Swap procedure at anv time before you have removed a module, perform one of the foIlowing actions:

> Touch Intercom Ring

or

>On an analog voice terminal, slide the T/P switch to the center position.

>On a digital voice terminal, dial #00.

If you touch any button besides Intercom Ring, the red light next to Intercom Voice will go out and the green light next to the Intercom Ring will flash fast to indicate an error. To continue after an error, dial 09 plus the slot number of the module to be removed.

4-8 On-Line Module Swap

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AT&T 518-600-016 manual Remove the controller station port designation, Intercom button