Nortel Networks M3110 - Manual (Page 83)

Attendant consoles Page 83 of 504
Telephones and Consoles Description, Installation, and Operation
Procedure 15
Testing the LCD indicators
Use this procedure to check the functionality of each LCD indicator on the
console.
1 From the Diagnostics menu 1, press 2.
2 Press 1 to turn all lamps ON. Press the asterisk (*) to turn each lamp OFF
one by one.
3 Press 2 to turn all lamps OFF. Press the asterisk (*) to turn each lamp ON
one by one.
4 Press the octothorpe (#) to exit and return to Diagnostics menu 1.
End of Procedure
Procedure 16
Testing the 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.
1 From Diagnostics menu 1, press 3. The display shows OK if the test is
successful.
2 Press the asterisk (*) to repeat the loopback test.
3 Press the octothorpe (#) to exit and return to Diagnostics menu 1.
End of Procedure
Procedure 17
Testing the ICS
Use this procedure to check the functionality of any peripheral devices
connected to the User Interface Printed (UIP)and the Audio System Interface
Printed (ASIP) microprocessor circuit cards 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 ICS test.