ARM Electronics RT4CD - Manual (Page 12)

1.5 REAR PANEL 1.5 REAR PANEL
Continued Continued … …
Model 4
1) 75Ω / HI-IMPEDANCE:
When using Loop function, please switch to HI-IMPEDANCE. When you don’t use Loop function,
please switch to 75Ω.
2) VIDEO INPUT (CHANNEL 1 - 4): Connect to video sources, such as cameras.
LOOP (CHANNEL 1 - 4): Video output.
3) MONITOR:
Connect to Main monitor.
4) 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.
5) AUDIO IN (1 audio-in):
Connect to audio sources, such as cameras equipped with the audio function.
When users start the recording function, the audio input will be recorded.
6) AUDIO OUT:
Connect to a monitor or speaker.
With 1 mono audio output from the same source.
7) D/V PORT (Digital Video Port):
Connect to a VGA converter.
8) 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.
9) LAN:
Connect to Internet by LAN cable.
10) LINK / ACT LED light:
When the Internet is activated, the LED light will be on
11) POWER:
Connect to the supplied adapter.
12) USB:
Support USB flash drive firmware update and file backup.
13) IR PORT:
Connect the IR receiver for remote control.
9
USB
INPUT
V D /
1
LOOP
EXTERNAL I/O
INPUT
2
LOOP LOOP LOOP
3
INPUT
4
INPUT
ACT.
LINK
LAN
CALL MONITOR
IN OUT
DC 19V
IR
5
7
2
8
9 11
6 4 3 1
10
12
13