Appendix A:
S900 Pinout
Wiegand Out
Output
Wiegand In
Power In
RS 485
Button
Door Sensor
Lock
Alarm
}
}
}
}
}
}
}
Bell
RS 232
}
}
}
}
}
Ethernet
485 B
485 A
GND
TXD
RXD
GND
WD 1
WD 0
RJ45-1
RJ45-2
RJ45-3
RJ45-6
NC 2
COM 2
NO 2
NC 1
COM 1
NO 1
BUT
GND
BELL +
BELL -
+ 12V
GND
IWD 0
IWD 1
RLED
GLED
BEEP
SEN
