Tag reader built in
1 Built-in Tag Reader
Serial port
1 TTL Serial Port
Tamper-Proof
1 Back-cover Tamper-switch(Will be damaged when tamper triggered)
Buzzer
1 On-board Buzzer
Function key
8 Function keys:Query,Away Aram,Stay Arm,Disarm,Alarm Output,Project,Left,Right
RS-485
1 Speed-X bus
Alarm input
2 On-board Alarm inputs
Alarm output
1 On-board Alarm output