20
3
Cable Connection
3.1
Combination
Cable Connection
The
camera’s combination cable includes network, audio/video cable port, RS485 connection port, alarm input
and output port connectors. Please refer to the label for detailed information.
Please note the Internet Explorer 6 does not support alarm upload function. Please use Internet
Explorer 7 or higher.
Name
Function
POWER
GND
Power port. Connect to the power cable.
GND: ground end.
485A
485B
GND
RS485 remote control.
AUDIO
OUT
Audio output port.
GND
Ground port.
IN
Audio input port.
VIDEO
GND
Ground port.
OUT
Video output port.
LAN
Network port. Connect to network cable.
ALARM
IN
Two alarm input channels. This is to receive relay signal from
the external alarm source. You can go to dome menu to
activate specified preset or pattern.
When the activation mode is NO (Normal Open), dome alarms
when there is low voltage. High voltage will not activate the
alarm.
When the activation mode is NC (normal close), dome alarms
when there is high voltage. Low voltage will not activate the
alarm.
Note:
Dome alarm input message is ground mode.
Dome alarm input signal has two modes: normal open and
normal close.
For the default setup: 2-channel alarm input and 7-channel
alarm output is optional.
GND
Alarm input ground end.
ALARM
OUT
1
One alarm output channel. When there is an alarm from current
channel, system activates relay or not.
Alarm output relay default setup is NO.
For the default setup: 1-channel alarm output and 2-channel
alarm output is optional.