User`s manual

9
1) DISK ARRAY PORT:
Connect to one disk array for extending HDD capacity.
2) IR PORT:
Connect to the IR receiver.
3) RS485 PORT:
Connect to external devices (such as PTZ camera) with RS485-A and RS485-B.
4) EXTERNAL I/O PORT:
Insert the supplied 15PIN DSUB to this port for connecting external devices (alarm
input, external alarm, PTZ camera).
For detailed I/O port PIN configuration, please refer to Appendix #2.
5) USB PORT:
Support firmware update and file backup.
6) D/V PORT (Digital Video Port):
Connect to a VGA converter card.
7) LAN:
Connect to Internet by a LAN cable.
8) LINK / ACT LED light:
When the Internet is activated, the LED light will be on.
9) CALL MONITOR:
Connect to CALL monitor. Show the channel switch display. When the alarm is
triggered, the call monitor will show the image of the triggered channel for a period of
time.
10) POWER:
Connect to the provided adapter.
11) FAN:
For ventilation.
12) VIDEO INPUT (CHANNEL 1 – 16 / CHANNEL 1 – 8 / CHANNEL 1 – 4) :
Connect to video sources, such as cameras.
13) LOOP (CHANNEL 1 – 16 / CHANNEL 1 – 8 / CHANNEL 1 – 4) :
Video output.
14) 75Ω / HI-IMPEDANCE:
When using Loop function, please switch to HI-IMPEDANCE. When you don’t use
Loop function, please switch to 75Ω.
15) MONITOR:
Connect to the Main monitor.
16) AUDIO IN (1-4):
Connect to audio sources, such as cameras equipped with the audio function.
When users start the recording function, the audio input will be recorded .
17) AUDIO OUT :
Connect to a monitor or speaker with 2 mono audio outputs from the same source.
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2: RS485B
3: RS485A