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DIGITAL INTERCOM
QUICK REFERENCE
DOWNLOAD DETAILED PRODUCT MANUAL FROM WEBSITE
firecom.com/support
800.527.0555
17600 SW 65th Ave
Lake Oswego, OR 97035 USA
Copyright © 2019 Sonetics Corporation. All rights reserved.
600-1038-00 Rev E
www.firecom.com
LED COLORS
Aux Select
Incoming Traffic
Monitoring
Radio Select
Incoming Traffic
Outgoing Traffic
INPUT/OUTPUT GAIN ADJUSTMENT
INTERCOM VOLUME INTERCOM SQUELCH
1
HOLD BOTH BUTTONS
FOR 5 SEC UNITL
LEDS FLASH
WHEN SATISFIED WITH AUDIO LEVEL,
5
HOLD FOR 5 SEC TO EXIT ADJUST MODE
3
2
PRESS BUTTON OF INPUT /OUTPUT TO ADJUST.
BUTTON LEDS WILL FLASH
3
WIRELESS BASE STATION SQUELCH ENABLE/DISABLE
HOLD BOTH SQUELCH
BUTTONS FOR 5 SECONDS
(RED LEDS FLASH)
1
2
PRESS UP/DOWN VOLUME BUTTON
TO SELECT HEADSET
Rx Tx
10
9
8
7
6
5
4
3
2
1
BACK OF INTERCOM
1
234
5
6
(INPUT) - ADJUST WITH VOLUME
BUTTONS HAVE A PARTNER SPEAK
INTO REMOTE RADIO
(OUTPUT) - ADJUST WITH SQUELCH
BUTTONS HAVE A PARTNER LISTEN
TO REMOTE RADIO
7
9
8
10
(INPUT) LISTEN TO HEADSET
4
AND ADJUST GAIN USING
VOLUME UP/DOWN
(OUTPUT) SPEAK THRU HEADSET
4
TO REMOTE RADIO AND ADUST
USING SQUELCH UP/DOWN
PRESS SQUELCH UP TO ENABLE
SQUELCH (RED LED ON)
3
PRESS SQUELCH DOWN TO
DISABLE SQUELCH (RED LED OFF)
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DIGITAL INTERCOM
QUICK INSTALL & SCHEMATICS
www.firecom.com
INTERCOM INSTALLATION
#8 SHEET METAL SCREWS
USE 3/16” DRILL
MOUNTING BRACKET
POWER CABLE CONNECTION
PIN #2
1 2
POWER CONNECTOR
ASSEMBLY
PIN #1 BLACK CLEAN WITH
CONNECT BLACK WIRE FROM PIN 1 TO VECHILES
NEGATIVE GROUND OR USE SUPPLIED SELF-TAPPING
SCREW & STAR WASHERS
RED
1.5 AMP FUSE
WIRE BRUSH
REMOTE HEAD INSTALLATION
2.58
0.81
CABLE TIES
GROMMET
HAND KNOB
3.07
7.13
Mounting Flush to a Flat Surface
1. Remove the 4 Torx bolts (T-10) and nuts from the
corners of the remote head
2. Use the Remote Head as a template to mark and
drill (4) mounting holes: 7/64" diameter for sheet
metal screws or 5/ 32" for machine screws
3. Drill 3/8" hole in mounting surface and install the
supplied grommet. Pass the wire through
4. For inside installation, mount the panel using the
suppliedscrews (4), making sure the cable is not
pinched Recommended torque : 10 in-lbs
5. Determine the correct length for the CA cable,
and cut cable to correct length
Mounting with Bracket
1. Remove 4 Torx bolts (T-10) and nuts from the
corners of the remote head
2. Drill 3/4" hole at desired wire pass-through
location on mounting surface
3. Drill (4) mounting holes: 7/64" for #6 sheet metal
screws or 9/64" for #6 machine screws
4. Mount the bracket using included hardware.
Torque : 10 in-lbs
5. Pass cable through grommet and secure with
cable ties as shown
6. Adjust the panel to a desirable viewing angle with
the two hand knobs
WIRING SCHEMATICS
REMOTE HEAD WIRING
MR-OX
RADIO INTERFACE CABLE
Ground
Aux. In Low
WHITE
BLACK
RED
GREEN
YELLOW
BLUE
GND
BUSY +
BUSY -
DATA L
DATA H
POWER
AUX PLUG
PINOUT
4 3 2 1
PIN #1: BROWN - TX AUDIO HI
PIN #2: RED - TX AUDIO LO
PIN #3: ORANGE- PTT HI
PIN #4: YELLOW - PTT REFERENCE
PIN #5: GREEN - HOOK SWITCH RELAY (N.O)
PIN #6: BLUE - RX AUDIO HI
PIN #7: VIOLET - RX AUDIO LO
PIN #8: GRAY - HOOK SWITCH RELAY (N.C.)
PIN #9: BLACK - HOOK SWITCH RELAY (C.)
TO REMOTE HEADTO INTERCOM
Aux. In High
Aux. Out High
HEADSET MODULE WIRING
RJ-12 MODULAR PLUG RJ-12 MODULAR PLUG
BLUE NOT USED
TO INTERCOM
YELLOW
GREEN
RED
BLACK
WHITE
SPEAKER HI
SPEAKER LO
MIC HI
MIC LO
PTT
5 CONDUCTOR JACK
W/ GND RING
PP-20 WIRING
BLUE
YELLOW
GREEN
RED
BLACK
WHITE
5
4
1
3
2
TO INTERCOM
NOT USED
SPEAKER HIGH
SPEAKER LO
MIC HIGH
MIC LOW
PTT
HEADSET MODULE WIRING
5
WHITE
BLACK
RED
GREEN
YELLOW
BLUE
1
2
3
4
5 CONDUCTOR PLUG
TO INTERCOM
BLUE
YELLOW
GREEN
RED
BLACK
WHITE
NOT USED
SPEAKER HI
SPEAKER LO
MIC HI
MIC LO
PTT
4
3
2
1
TO HEADSET MODULE
1
2
3
5 CONDUCTOR PLUG
5
TO DAISY CHAINED HEADSET
MODULE
4
5
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