Speco D4VT User Manual page 18

① VIDEO IN: Video input port.
② VIDEO OUT:
Switchable (Composite Video Output or Spot Monitor)
③ VGA: VGA (Video Graphics Array) output port. Connects to the PC VGA monitor.
④ HD VIDEO OUT: HDMI output port. Connections to the HDMI monitor (1920x1080).
⑤ AUDIO IN:
⑥ AUDIO OUT:
⑦ ETHERNET: Network terminal
⑧ USB: USB terminal
⑨ SENSOR IN, ALARM OUT, RS-485: External sensor terminal, External alarm out terminal & RS-485
for PTZ Camera control
⑩ POWER: DC12V input
⑪ Ground: Use for ground port
D4VT/ D8VT: Four connectors for audio input.
D16VT: use the included audio splitter cable
D4VT/ D8VT: One connector for audio output.
D16VT: use the included audio splitter cable.
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