
INSTALLATION MANUAL: EVAX EVX-ATM AUDIO TRANSPONDER MODULE
5403676 Rev A 1/18
Evax by Potter • Branford, CT • Phone: (800) 325-3936 • www.evax.com
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EVX-ATM
A B C D
J1
P Q - R
J2
J6
V -
J4 1V 2
5V
70
V
J3
1 5 M
J5
X Y
TB1
TB2
TB3
VR1
P1
Jumper Settings:
J1: -
J2: B
J3: M
J4: 1V
J5: X
J6: -
TB2-10
TB2-8
TB2-11
TB2-5
TB2-1
TB2-3
600 ohm
audio out
N.O. dry contact provided
if needed to activate input
of external unit.
*NOTE: relay is
on-board EVX-ATM
Evax System driving
Evax system generates activation
External Audio System
EVX-ATM to be mounted within Evax System cabinet.
Field wiring connections:
#6-32 wire clamp screw 14-18 AWG
#8-32 wire clamp screw 12-18 AWG
Horizontal wire entry terminal 18-26 AWG
Wire gauge determined by circuit load
Connections
to EVX-25/50/100
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2
3
4
5
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7
8
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2
3
4
1
2
EVX-ATM
A B C D
J1
P Q - R
J2
J6
V -
J4 1
V 25V
70V
J3
1 5 M
J5
X Y
TB1
TB2
TB3
VR1
P1
Jumper Settings:
J1: P
J2: C
J3: 5
J4: 1V
J5: X
J6: V
Evax System driving
VOX circuit provides activation on presence of audio signal.
External Audio System
Audio
Input
25V or 70V is
selected at J4
600 ohm
audio out
24 VDC
Neg.
EVX-ATM to be mounted within external system cabinet.
N.O. dry contact available
if needed to activate input
of external unit.
Field wiring connections:
#6-32 wire clamp screw 14-18 AWG
#8-32 wire clamp screw 12-18 AWG
Horizontal wire entry terminal 18-26 AWG
Wire gauge determined by circuit load
1
2
3
4
5
6
7
8
1
2
3
4
1
2
EVX-ATM
A B C D
J1
P Q - R
J2
J6
V -
J4 1
V 25V
70
V
J3
1 5 M
J5
X Y
TB1
TB2
TB3
VR1
P1
Jumper Settings:
J1: P
J2: C
J3: 1
J4: 1V / 25V / 70V
J5: X
J6: V
Connections
to EVX-25
Audio
Input
25V, 70V
is selected at J4
or 1V/600 Ohm
J5 - X jumper selects VOX activation.
Audio Signal alone enables input.
* NOTE: Additional ATM and EVX-RM Remote Microphones.
External Audio input w/VOX
Audio signal input provides activation
* Wiring when used in addition to other Audio Sources
TB2-9
TB2-6
TB2-1
TB2-2
Field wiring connections:
#6-32 wire clamp screw 14-18 AWG
#8-32 wire clamp screw 12-18 AWG
Horizontal wire entry terminal 18-26 AWG
Wire gauge determined by circuit load
Connections
to EVX-25/50/100