I.R.I.S. 808 Digital Video Recorder - Manual (Page 18)

8. Car Speed Input Connector
Connect this connector to car speed pulse signal.
9. Delay On Output Connectors (DELAY ON 30A)
Connect to the other vehicle devices to avoid excess power consumption
at ignition. Please refer to
Section 3.2 Optional Connections for the
connections.
10.Power Inlet (POWER 12-24V)
Connect to +12 or +24VDC power source. Please refer to Section 3.2
Optional Connections for the connections.
Rear Panel Configuration: DVR08
1. Video Inputs 1-4 and Video Output. IR Remote Controller
2. Audio Inputs / Outputs
3. 3 Video Inputs 5-8
4. VGA Connection
5. RS232 Serial Data Connection (PTZ Control, GPS Sensor etc)
6. Alarm Output Connectors (Alarm Out 1-2)
Alarm 1 normally Closed / Alarm 2 normally open
7. RS485 Connector
8. Alarm Input Connectors (ALARM IN 1-4)
9. Engine Revolution Input Connector (RPM)
10.Car Speed Input Connector
11.Delay On Output Connectors (Delay On 30A)
12. Power Input Connector (12~24VDC)
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