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User’s Manual
2.7 Alarm Pin Definition
The alarm pins are serviceable for connecting alarm in- and output devices. Following
lists the definition of alarm pin on the 22-pin connector located on the bottom of the
dome camera.
Pin Cable Color Definition
2
White ALM NO
4
Black ALM NC
6
Green ALM COM
11
Green/Black ISOG
12
Purple ALM-1
13
Gray ALM-3
14
Red ALM-2
15
Blue ALM-4
16
Blue/White ALM-5
17
Brown/White ALM-6
18
Red/White ALM-7
19
Purple/White ALM-8
20
Black/White ALM GND
2.8 RS-485 Connector
RS-485 is the interface that communicates the dome camera and its control device.
Please connect control keyboard to speed dome through the terminal block. The
recommended cables for RS-485 communication are CAT 5 cables; maximum cable
length for over 24-gauge wire is 4000 feet (1219 meters). If the total cable length is over
4000 feet, using a repeater to enlarge the signals is recommended.
Definition Cable Color
T+ (D+) Yellow
T- (D-) Green
R+ (D+) Brown
R- (D-) Orange
13