Pub. 42004-438M
300 Series Emergency Telephone Manual
Page 12 of 50
P:\Standard IOMs - Current Release\42004 Instr. Manuals\42004-438M.docx
04/19
Models 392-001, 396-00x, 397-00x, and 398-00x—Tower or Flush-
Mount Installations
The supplied back box must be used to mount the Model 397-00
x
, 396-00
x
, 398-00
x
, or 392-001
telephones for flush-mount installations or when mounting in a GAI-Tronics Model 234 Series Tower.
1.
Mount the back box to the structure using appropriate hardware (see Figure 13 for the cutout
dimensions).
N
OTE
:
The installation of a (customer-supplied) telephone line suppressor is recommended if the
telephone is mounted outdoors.
2.
Remove a tapered plug from either cable entry hole in the back box
3.
Install the telephone line and cable fitting.
N
OTE
:
Telephone line connections directly to terminal block
TB1
are acceptable.
4.
If using the modular jack
:
1.
Remove the cover.
2.
Connect the telephone line’s tip (+) wire to the green wire on the modular jack.
3.
Connect the telephone line’s ring (−) wire to the red wire on the modular jack.
4.
Replace the modular jack cover.
5.
Connect the telephone’s modular plug to a USOC RJ11 or CA11A (Canada) modular connector or (if
applicable) the telephone line suppressor (see Figure 8).
An inline coupler is provided for use, if necessary
6.
Allow the telephone a minimum of 35 seconds to initialize.
7.
Configure the telephone:
1.
Configure the hardware as required (see the Configuration section).
2.
Adjust the audio levels, if necessary (see Figure 33 for the Speaker Volume and Microphone
Sensitivity potentiometer locations).
3.
Perform the initial programming (see the Programming section).
8.
Verify operation by calling to and from another phone.
9.
Attach the front panel assembly to the rear enclosure mounting flanges using the six supplied #10-32
security screws and washers.
10.
Torque the screws to 10–12 in∙lb.
