
Guangdong Be-Tech Security Systems LTD.
Total page -15 - page-3-
3.
2700M PCB Introduction
battery
13
12
11
10
9
8
7
6
5
4
3
2
1
12V+
GND
DoorState
GND
LineControl
DoorBell
PreventPrize
Doorbell
Doorbell
GND
NormalClose
Common
NormalOpen
V_SET
KEY_S
SET
2
1
1
2
3.1.
Function of SET
Initialization button, press it renew the PCB to default value which means the System ID (SID)
became to blank.
3.2.
Function of KEY_S
When the KEY_S is on 1, the reader will have 12v output for the lock power supply; when the
KEY_S is on 2, the reader will cut off the 12v output, switch to dry contact mode. If your lock
have own power supply, please switch to Key_S 2.
3.3.
Function of V_SET
When the V_SET is on 1, the lock is senior accessing mode which means the lock is able to be
opened by the opening card with relevant SID (System ID), LN (Lock Number) and WT (Working
Time); when the V_SET is on 2, the lock is simple accessing mode which means the lock can be
opened by the opening card with relevant SID.