Nortel Networks M3110 - Manual (Page 111)

M2016S Secure Set Page 111 of 504
Telephones and Consoles Description, Installation, and Operation
Alerting tone characteristics
The tone frequency combinations are:
A 500 Hz buzz signal is provided for incoming call notification while the
receiver is off-hook.
Power requirements
Power Supply Board
The power supply option consists of a Power Supply Board which mounts
inside the telephone, coupled with an external wall-mount transformer which
provides power to the Power Supply Board. The Power Supply Board
receives its power through pins 1 and 6 of the line cord.
The Power Supply Board connects to the telephone through a 14 pin bottom
entry connector.
The Power Supply Board comes factory installed with any configuration of
the M2016S.
Local plug-in transformer
A single winding transformer equipped with a 10 ft. (3 m) cord of 22 AWG
two-conductor stranded and twisted wire with a modular RJ-11 duplex
Tone Frequencies Warble Rate (Hz)
1 667 Hz, 500 Hz 10.4
2 667 Hz, 500 Hz 2.6
3 333 Hz, 250 H 10.4
4 333 Hz, 250 Hz 2.6