Super Circuits DVQ-2, Руководство пользователя

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9 GND Signal GND
10 RS485-B DVR pin is used to serially communicate with remote PC using the RS-485 PROTOCOL.
11 RS485-A DVR pin is used to serially communicate with remote PC using the RS-485 PROTOCOL.
12 ~ 13 PIN OFF
14 ALARM RESET (PIN 14) and GND (PIN 9) are used to disable DVR alarm outputs and internal buzzer sounds.
Under normal conditions the Alarm Reset signal stays at high or 5V TTL. When the Alarm Reset signal becomes
activated or 0 zero volts, alarm outputs and internal buzzer sounds will be disabled.
15 EXTERNAL ALARM COM Under normal operation, COM disconnects with NO (Normally Open). Triggering External
Alarm input COM connects with NO.
NOTE: MAXIMUM voltage allowable is 24DCV 1A.
16 ~ 17 GND Earth GND
Appendix 3, RS232 PROTOCOL
Data: REMOTE PROTOCOL use 8 bit data, 1 start bit, 1 stop bit.
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