First Alert 4800 User Manual
Page 11
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Getting to Know Your 4800 DVR
Model 4800 User's Manual
DVR
R
EAR
P
ANEL
1
USB Ports
USB ports for backup devices (flash drive, DVD recorder)
and mouse
2
Audio Output
1-channel audio output (2Vp-p, 600
)
3
Audio Input
4-channel audio input (2Vp-p, 600
)
4
Video Input
4-channel video input, BNC (1Vp-p, 75
)
5
Video Output
Output to display monitor, BNC (1Vp-p, 75
)
6
Ethernet
RJ-45 10/100 Base-T Ethernet port
7
ALARM IN
ALARM OUT
RS-422/RS-485
Alarm input (1-4, 5-6, Ground) – external sensor devices
Alarm output (7-8) – external alarm devices
PTZ camera control (9-12)
9
Power
Power switch
9
DC 12V
Power input
10
Fan
Cooling fan air intake
2
1
3
4
5
6
8
7
9
10
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