GENERAL PURPOSE BROADCAST INPUT
Control I/O Connector Functions
4-1-6
VM amplifier's D-sub female connector
13 1
25 14
CONTROL I/O
Locking nut: 4-40 UNC
CONTROL I/O connector pin function table
The rear panel-mounted Control I/O connector enables the VM amplifier to be controlled or monitored by
connected external equipment.
Function/status
When AC power is on
When DC power is on
Activates EV-200 Board's Message 1 –5*
1
Cuts off the VM amplifier's power amplifier output.*
1
*
2
(External signals applied to EXTERNAL SP INPUT go
through to the speakers.)
The VM amplifier's power amplifier output is resumed.
Activates a start chime tone.
Activates an end chime tone (4-tone Down).
Turns power on.
Turns power off.
Activates the internal Westminster chime unit.
Places the unit in "Emergency broadcast" mode, during
which time an "Alert" announcement and an "Evacuation"
announcement are broadcast.*
1
Resets the unit from "Emergency broadcast" mode.
Places the unit in "Emergency broadcast" mode, during
which time an "Evacuation" announcement is repeated.*
1
The FAULT indicator lights to indicate external equipment
failure.
When the power switch is on by means of manual or
external control
When communications cannot be achieved between the
RM-200M and the VM amplifier or between VM amplifiers
(High state when communications are restored.)
When the FAULT indicator lamp is on.
When an Emergency broadcast is performed by the VM
amplifier or the external equipment. (See the description of
Pin 8 VM amplifier's broadcast cutoff.)
When the EV-200 Voice Announcement Board fails.*
1
Signal/logic
Active Low
Active Low
One-shot make
At make
At break
Break -to-Make edge
Make-to-Break edge
Break-to-Make edge
Make-to-Break edge
One-shot make
One-shot make
One-shot make
One-shot make
At make
Active Low
Active Low
Active Low
Active Low
Active Low
IN/
OUT
OUT
OUT
IN
IN
IN
IN
IN
IN
IN
IN
IN
OUT
OUT
OUT
OUT
OUT
Signal name
AC power ON
DC power ON
Message 1 – 5 activation
VM amplifier's broadcast
cutoff control
Chime activation (6 built-in chimes
and EV-200's selected chime)
Power ON/OFF control
Westminster chime
activation
Emergency alert activation
Emergency stop activation
Emergency evacuation
activation
Failure indicator control
GND
Power switch on
Communications error
Failure indication
Emergency Broadcast on
EV-200's failure
Pin
No.
1
2
3
I
7
8
9
10
11
12
13
14
15
16
I
20
21
22
23
24
25
*
1
Requires installation of the optional EV-200 Voice Announcement Board.
*
2
Use this pin to cut off the VM amplifier's power amplifier output to allow the "Emergency broadcast" initiated by
connected external equipment to go through.
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