Zippy R2G-6350P - Manual (Page 21)

THE BUZZER RESET SWITCH CONNECTOR (300W MODEL)
PIN# COLOR VOLTAGE
1 YELLOW +12V
2 BLACK GND
THE BUZZER RESET SWITCH CONNECTOR (350W MODEL)
PIN# COLOR VOLTAGE
1 YELLOW +5VSB(PULL HIGH)
2 BLACK GND
THE SIGNAL CONNECTOR OF POWER RESET
PIN# COLOR VOLTAGE
1 RED TTL SIGNAL
2 BLACK GND
TTL signal :
Sink current max. 5mA
Source current max. 50uA
Low Active --- Defective
High --- Normal