V-tech IP-MR18S, User Manual, Page: 6 / 16

5. Door Lock Connections
JP_LK
12V 300mA
Jumper set to 2-3 position
+
-
+12V
LK - (GND)
LK+(COM)
N.O.
EB+
EB -
1 2 3
set to Normally open on the
Unlock Relay mode
+
+
-
-
+12V
LK - (GND)
LK+(COM)
N.O.
EB+
EB -
Remove the Jumper
set to Normally Open on the
Unlock Relay mode (default)
JP_LK
1 2 3
Note: Cut off this line when
using external power supply
-4-
1. Internal Power Supply Mode
Note that the door station can only output 12Vdc power, Any high-power lock should use ex-
ternal power connection ,or it might cause damage to the door station.
• The rated power of the lock must be less than 12Vdc 300mA when using internal power
supply mode;
• The GND must connect to the negative of the lock, and the COM connect to the positive;
• It's recommended that the jumper set to 2-3 position for Power-on-to-Unlock safety
type(
Normally open mode
);
• If different unlocking time is needed to be configured, change the
Unlock Timing
on
door station.
Connection for Power-on-to-Unlock type:
2. External Power Supply Mode
If the electronic lock is over 12 Vdc, additional power supply for the lock is needed.
• The power supply for the lock must be less than 48Vdc 1.5A.
• The Jumper must be removed when using external power supply. It's recommended the
unlock mode set to Power-on-to-Unlock type(
Normally open mode
) .
• If different unlocking time is needed to be configured, change the
Unlock Timing
on
door station.
Connection for Power-to-Unlock type: