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Alarm & Communications port
The six-pin connector is for alarm output and communication adaptors. The standard colour
wiring of this cable is detailed in the table below:
•
Pin 1 (white wire)
•
Pin 2 (green wire)
•
Pin 3 (black wire)
•
Pin 4 (red wire)
•
Pin 5 (blue wire)
•
Pin 6 (orange wire)
B
C
P
D
R
E
S
F
A
+5V DC
B
DC GROUND (power source negative)
C
E+ (East-West channel)
D
E-
E
N+ (North-South channel)
F
N-
G
Z+ (Vertical channel)
H
Z-
J
Calibrate Signal
K
Calibrate Ground (same as pin B)
L
n/c
M
DC POWER (power source positive)
N
Mass Control – Centre
P
Mass Control – Lock
R
Mass Control – Unlock
S
O+ (Outdoor microphone channel)
T
O-
U
Calibrate Enable
V
Sensor cable overall shield
RS232 Transmit (for Ethernet adaptor or 3G modem)
RS232 Receive (for Ethernet adaptor or 3G modem)
Ground (for RS232 and Power)
Alarm #1 output (connects pin 6 when active)
Alarm #2 output (connects pin 6 when active)
Power +VDC (optionally factory-set to be alarm line in)
A
M
N
L
V
U
K
T
J
G
H
4D Sensor port (2018
Compact & Rugged)
At left is a diagram of the pin connections of
the Gecko sensor port. Looking at the wire-
connection side of the supplied cable plug
shows the same pin configuration. The
function of each pin is listed in the table
below the drawing.
1D Sensor port (mid-
2019 Blast & SMA)
Below is a diagram of the pin connections of
the Gecko Blast and SMA. These models
have a 4-pin socket for an external channel.
Pin 1: O+ signal
Pin 2: O- return
Pin 3: Ground
Pin 4: DC Input Power (+5V optional)
25
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