Guardian Telecom
Installation and Operation
Models PTR, PTA, PPR & PPA
Page 12
Replacing a Module in a Gaitronics Outdoor
Enclosure
WARNING - high voltages are present in this equipment when it is
connected to the power source.
•
Disconnect power to the station.
•
Ensure that the module is set up for the correct voltage.
Tip:
check the label on
the main circuit board
cover.
•
Remove the existing module by undoing the four screws and gently pulling
the module loose from the connector.
•
The Guardian replacement module requires an adapter harness to be
compatible with a Gaitronics enclosure, with 16 pin connector harness part
no. P5541 or with 24 pin connector part no. P5542. If the module was
ordered with the appropriate harness it will already be installed. If the
harness is not already installed refer to the instructions accompanying the
harness kit for installation on the module.
•
To provide ambient noise sensing adjustment of the associated loudspeaker
a microphone kit, part no. P5545 must be installed. Refer to the instructions
accompanying the kit.
•
Set the speaker mute jumper on the circuit board of the replacement
module to the desired position.
See:
Group Muting
•
Insert the faceplate ensuring that the connector is properly seated.
•
Tighten the four screws.
•
Apply power to the system.
•
Wait at least 20 seconds then adjust speaker volume to the desired level
using the potentiometer accessible through the screw hole in the faceplate.
Use a small flat tip screwdriver to make the adjustment.
Note:
Adjust speaker
volume
while ambient
noise at the station is at
a minimum.
•
Test the installation by making a call as described in the operating section.
Accessing the interior of the Station
Follow these instructions should it be necessary to access the interior of a
station for adjustments or repairs.
•
Remove power from the wall station. Follow local safety guidelines.
•
Remove the module as follows:
o
Remove the lower access plate/switch plate.
o
Undo the four captive screws securing the module.
o
Gently pull the top of the module faceplate away from the enclosure a
couple of times; then push it back into place.
o
Using two hands pull out the bottom of the module faceplate to release it
from the connector.
Note:
Be careful when
removing the module.
The circuit board is on
the faceplate.
•
Perform the necessary adjustments or repairs.
•
Replace the module ensuring that the connector is properly seated.
•
Apply power to the wall station.
•
Test the installation by making a call as described in the operating section.
Содержание Guardian Telecom PPA
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