Nortel Meridian M1250 Description page 37

Lamps
Use this procedure to check the functionality of each LCD indicator on the
console.
From the Diagnostics menu 1, press "2."
1
Press 1 to turn all lamps ON. Press the asterisk (*) to turn each lamp OFF
2
one by one.
Press 2 to turn all lamps OFF. Press the asterisk (*) to turn each lamp ON
3
one by one.
Press the pound (#) to exit and return to Diagnostics menu 1.
4
Data Port
Use this procedure to perform a loopback test on the RS-232 port at the back
of the console. Before performing the test, a connector (25-way D-plug) with
pin 2 shorted to pin 3 should be inserted in RS-232 port. A failure code is
displayed if any error is found.
From Diagnostics menu 1, press "3." The display shows "OK" if the test
1
is successful.
Press the asterisk (*) to repeat the loopback test.
2
Press the pound (#) to exit and return to Diagnostics menu 1.
3
ICS
Use this procedure to check the functionality of any peripheral devices
connected to the User interface printed circuit card UIP and audio and system
interface printed circuit card ASIP microprocessors within the console. A
failure code is displayed if any error is found.
1 From Diagnostics menu 1, press "4."
2 Press the asterisk (*) to perform the IC test.
3 Press the pound (#) to exit and return to Diagnostics menu 1.
Attendant console operation
Attendant Consoles Description
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