V
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u
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x
x
V
V
V
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I
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P
P
-
-
D
D
1
1
L
L
3
3
1
1
2
2
O
O
w
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Rev.1.0 (April 2011)
16
Website: www.Veilux .net Phone# 1-800-510-6528
1
Not used
2
Not used
3
RxD (Connect to TxD of the other end)
For debugging & factory use only.
4
TxD (RxD (Connect to RxD of the other end))
5
Ground of RS-232C
Alarm In/Out and Audio In/Out
Used for connecting alarm sensor, alarm annunciation device, microphone and speaker to Veilux VVIP-
D1L312.
Description
LINE OUT (+)
1 V p-p audio signal output for amplified speaker.
MIC/LINE GND (-)
Ground for audio signals.
MIC/LINE IN (+)
Audio input : Can be used either for microphone or applying audio
signals from other audio equipment.
SENSOR IN
Sensor In (+). NC/NO selectable in admin mode.
SENSOR IN GND
Ground for sensor
RLY OUT(COM)
Relay output : Circuit will be closed in alarm to indicate alarm status
RLY OUT(N.O)
RLY Out
:
Relay output is provided for connecting alarm devices or for remote on/off control of devices
such as light. Relay is normal open and it will be closed upon alarm annunciation or remote on. The relay
is capable of switching
30V AC/DC, 2A
. For the application which needs power switching beyond this limit,
use additional relay switch as shown in the right of Figure 2-8.
Figure 2-8. RELAY Output connection (left : switching requirement below 30V, 2A), (right : switching
requirement higher than 30V, 2A. Apply this connection when either voltage or current exceed the limit.)
SENSOR IN
:
Connect external alarm sensor. Examples of sensing devices are infrared sensor, motion
sensor, heat/smoke sensor, magnetic sensor, etc. Connect the two wires of the sensors to
