Gateway
Gateway
Connector
+
Power
–
Rx –
Tx –
RS485
Rx +
Tx +
GND
Access Control Panel Connections
Access control
panel signal
12 or 24 VDC
DC Ground
– Receive Data
– Transmit Data
+ Receive Data
+ Transmit Data
Signal Ground
Description
•
Gateway inputs for 12 or 24 VDC power.
•
Draws 250mA max.
•
If the Access Control Panel (ACP) reader
power outputs do not source enough current
for the Gateway, use the ACP main regulated
12 VDC power supply or a separate UL294
Listed 12 or 24 VDC power-limited power
supply.
•
Power input is non polarized.
•
4-Wire or 2-Wire bi-directional RS485
communication port for interface to Access
Control Panels.
•
2-Wire installation: Both 2|4 wire jumpers
should be added.
•
4 -Wire installation: Both 2|4 wire jumpers
should be removed.
•
Refer to following pages for typical wiring
diagrams.
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