
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