Headset Consideration; Accessory Connection Module (Acm) - Nortel m3900 series User Manual

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Headset consideration

Test the headset with the telephone before use. In a noisy environment,
an amplified headset is an option. When using the amplified headset, there
are two choices of volume control: the rocker control on the telephone and
the switch on the headset. The user should adjust the telephone volume,
before adjusting the headset volume. To provide the best communication
with the least amount of distortion, the amplifier should have a higher
setting than the telephone volume control.
Refer to your representative for the latest product bulletin from Nortel
recommending headset types for use with the M3900 Series digital
telephone.

Accessory Connection Module (ACM)

The following steps explain how to install the ACM.
Procedure 10
Install the ACM
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Copyright © 2008 Nortel Networks
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The M3901 and M3902 have built-in wall-mount brackets.
Screw the five screws in and leave about 3 1/2 mm (1/8 inch)
between the head of the screw and wall.
Remove the footstand from the telephone by sliding the
footstand down (using the plastic hinges) about 7 mm (1/4 inch).
Swing the footstand away from the telephone base and remove
the telephone.
Attach the wall-mount bracket onto the back of the telephone by
placing the telephone at the top edge of the wall-mount bracket
and sliding the telephone into place.
Mount the wall-mount bracket, that is attached to the telephone,
onto the screws located on the wall.
Action
Press the release latch on the back of the telephone.
Pull the footstand away from the back of the telephone.
Disconnect the line cord from the base of the telephone.
Move the telephone down 7 mm (1/4 inch), then use the hinges
to swing the telephone footstand away from the base of the
telephone.
Nortel Communication Server 2100
M3900 Series Meridian Digital Telephones User Guide
NN42200-110 09.01 Standard
20 August 2008
Accessory Connection Module (ACM) 75
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