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C2900M-B (1/03) 15
REAR PANEL CONNECTORS
Key:
1=Four BNC video inputs for connecting the video sources
2=DIP switches (75 ohms when ON) for terminating the corresponding video input if the video
signal is not connected to additional video equipment
3=3.5 mm monaural audio input jack for connecting the audio source
4=3.5 mm monaural audio output jack for connecting a loudspeaker
5=Input terminals for connecting alarm sensors or switches
6=Output terminals for switching external devices (for example, lamps)
7=COM serial interface—9-pin D-sub connector (male)—for transmitting control data and for
configuring with the terminal program
8=Ethernet RJ-45 jack for connecting with the network
9=Power jack for connecting the plug-in power supply
Figure 2. Rear Panel Connectors
NOTE: Use only the supplied power plug. If the cable or connector show any sign of damage, do not
use the plug. Send it in for repair or replacement. Never try to use any power plug except the supplied
one.
GND GND
V
IDEO1
V
IDEO2
V
IDEO3
75 HM N
OO
V
IDEO4
A
UDIO
I
N
O
UT
A
LARM
I
NPUTS
A
LARM
O
UTPUTS
51234
+5V
1234
++++
C
OM
P
OWER
RS232/422/485 10/100 BASE-T
12V~0.8A
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