8
2.1.2.2 Reserve function connection
Description of Connectors
PIN Function Remark
J15 Audio Output interface. Use to connect the external Audio PA
J14 Use to indicate the call status
IO30A: Output high level when Ringing or talking; Output low level On the other status.
IO30B: Output low level when Ringing or talking; Output high level On the other status.
J50 Tow input detect ports(IN1 and IN2);tow Output ports(OUT1 and OUT2)
Reserve function connection
J15 J14 J50
Audio Output Status
Indicate
Reserve Groud
Input
Port 2
Input
Port 1
Output
Port 2
Output
Port 1
1 2 1 2 1 2 3 4 5 6
SPK- SPK+ IO30B IO30A IO10 GND IN2 IN1 OUT2 OUT1
2.1.2.3 Electric Lock Connection Driver Option
【Notice】
When the initial electric current of the lock is less than 500mA/12V, you can access
to the internal driven mode and use the POE of the Voice Access System or 12V DC to
control the the switch of the electric lock ; When the initial electric current of the lock is more
than 500mA/12V, you need to access to the external driven mode(Use specialized DC
power to control the electric lock )
JP39
Outside
Driver
1
2
3
4
External Power Driving
JP39
Inside
Driver
1
2
3
4
Internal Power Driving