SY-SIX-RDM2-DIN-485 | Synergis IX DIN Rail 2 Door Expander | Installation Manual
Last Updated September 2018
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When connected the REX input can be programmed to operate regardless of the door contact state. The REX
input can also be programmed to recycle the door alarm time to prevent nuisance alarms when the door is
held open to permit longer entry.
Door Lock Connection
The Reader Expander provides two lock output relays that can be used to switch electric locks.
Door Lock Outputs:
+
-
1N4007 Diode
12VDC Electric
Locking Device
+
-
Power Supply for
Locking Devices
Max 30VDC
V+
V-
NO
C
N
C
N
O
C
NC
When using a door with an entry and exit reader, the LOCK output should be connected to LOCK 1, and
enable the swap lock option for the second reader input to allow the reader LED's to display the correct
status.
The 1N4007 diode shown in the above diagram is supplied with the Reader Expander and MUST be
installed at the electric strike terminals.
