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5
Connections on the GSM Controller
A
C
A
C
V
C
C
N
/C
C
O
M
N
/O
G
N
D
P
B
G
N
D
D
E
T
E
C
T
+
GSM
modem
Output
to gate
or lock
Optional
input limit
switch
from gate
Exit button
open
close
-
12-15v dc
Code Lock Keypad connections (Keypad versions only)
+ -
N
/C
C
O
M
N
/O
N
/C
C
O
M
N
/O
e
g
re
s
s
OUT1 OUT2
OUT3
N/C
COM
N/O
K or A
DU out
(-)GND
Sense
INT Lock
Tamper
N/C
O/P1 inhib
12v from
GSM unit
Advanced connections
INT Lock
– Used to operate a door in conjunction with another keypad. 24v dc max voltage,
100mA sink.
O/P1 inhib
– When closed, this disables all codes for relay group 1.
Sense
– N/C connected to (-)GND, to be connected to N/C door contact. Can be used to generate
door open or tamper alarm.
DU out
– switches to (-) ground after the Duress Code is entered. Used to trigger alarm zone, or
buzzer to notify guard. 100mA sink, 24VDC.
K or A
– Not used.
Commonly used connections
Outputs
– This keypad has 3 outputs. All can be
programmed for momentary and latching operation.
For gate systems and AC strike locks, connect a
keypad relay (normally open) in parallel with the GSM
module relay. For magnetic locks, connect in series
with normally closed contact.
Egress
– This is for an optional exit button input,
connected across this terminal and GND (-).
