IC Realtime 1080P (Full HD over coax) HD-SDI / HDcctv 20x Optical PTZ - Manual (Page 30)

24
4 Cable Connection
Multiple-function combination cable consists of video terminal, RS485 terminal and relay in/out terminal.
Please refer to the following instruction labels for further reference.
RS485, video interface, power port is shown as below:
Name Function
A 485-A. It is to control dome built-in PTZ.
B 485-B. It is to control dome built-in PTZ. 485
GND Ground.
GND Ground.
VIDEO
OUT
Video output port. You can connect this port if you want to use the
analog video output.
AC24V 24V power port. Connect to the power cable.
EARTH Ground port.
HD-SDI HD-SDI port.
z Please refer to the label instruction for the alarm connection information of the multiple-function
combination cable.
2. Relay in/out interfaces are shown below:
Name Function
Alarm out：1-2
a) Two alarm output channels. When there is an alarm
from current channel, system activates relay or not.
b) Alarm output relay default setup is NO. You can use
the jump-cap near the power board relay to set.
c) NO：Normal open alarm output.
d) NC：Normal close alarm output.
GND Alarm input ground end.
Alarm in：1-7
e) Seven alarm input channels. It is to receive relay
signal from the external alarm source. You can go to
dome menu to activate specified preset or patter.
f) When the activation mode is NO (normal open), dome
alarms when there is low voltage. High voltage will not
activate the alarm.
g) When the activation mode is NC (normal close), dome
alarms when there is high voltage. Low voltage will not
activate the alarm.
Note:
z
Dome alarm input message is ground mode.
z Dome alarm input signal are two modes: normal open and
normal close.
4.1 System Layout
4.1.1 System Connection