Terminal Description

Terminals

Figure 1 Main Unit Terminals

Table 1 Descriptions of Terminals and Interfaces
No.	Interface	Description
A1	485-	Module-connecting Interface
A2	485+
A3	12V 1A
A4	GND
B1	NC	Door Lock Relay Output (NC)
B2	NO	Door Lock Relay Output (NO)
B3	COM	Common Interface
B4	LOCK1	Door Lock Interface
B5	485-	Reserved
B6	485+	Reserved
B7	12VDC	12 V power input
B8	GND	Grounding
B9	AIN1	Exit Button 1 (for unlocking door 1)
B10	AIN2	Exit Button 2 (for unlocking door 2)
C	2-WIRE Interface	2-Wire Interface

Wiring

Figure 2 Wiring of Door Station

Note:

LOCK 1 is an 20 V/4 A impulse output with 300 mA holding current.
The Exit Button 1 is for unlocking door 1; The Exit Button 2 is for unlocking door 2.