Installation; M3900 Set Power Consumption; Procedure; Installing The M3900 Series Digital Telephone - Nortel M3110 Installation Manual

M3900 set power consumption

Table 35
M3900 set power consumption
Idle
H/F Nominal
H/F Maximum
DBA Idle
DBA H/F Nominal
DBA H/F
Maximum 2 KBA
Idle
Note: All measurements are in milli-amps.

Installation

Table 35 shows power consumption measurements of the M3900 telephones
in various states.
M3901 M3902
29.3 37.3
N/A 45.7
N/A 64.3
N/A N/A
N/A N/A
N/A N/A
N/A N/A
Use Procedure 28 to install the M3900 Series Digital Telephone

Procedure 28

Installing the M3900 Series Digital Telephone

1 Complete the wiring and cross-connections (loop power).
Note: The M3901, M3902, and M3903 are polarity sensitive. The Tip and
Ring connections from the telephones to the Digital Line Cards (DLC)
must be connected directly. If the Tip and Ring signals are crossed on an
M3901, M3902, or M3903, the telephone will not function.
2 Connect the telephone to the connecting block.
3 Place the telephone upright on the desk in the normal operating position.
Telephones and Consoles
M3900 installation and configuration
M3903
42.5
48.7
59.7
N/A
N/A
N/A
N/A
Description, Installation, and Operation
Page 189 of 504
M3904 M3905
31.5 15.02
37.5 N/A
46.4 N/A
39.29 15.31
45.9 N/A
52 N/A
33.42 14.98