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Orion/2 Outdoor
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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. A 50-cm alarm cable is delivered with outdoor dome
ZH811 for connecting alarm in- and output devices. Refer to section 2.1 Package
Content.
Pin Definition Pin Definition
2
ALM NO
15
ALM-4
4
ALM NC
16
ALM-5
6
ALM COM
17
ALM-6
11
ISOG
18
ALM-7
12
ALM-1
19
ALM-8
13
ALM-3
20
ALM GND
14
ALM-2
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.
Pin
Corresponding Pins
(22-Pin Connector)
Definition
1 7,10 Tx+, Rx+ (D+)
2 Reserved
3 Reserved
4 Reservied
5 8,9 Tx-, Rx- (D-)
For connection to Ernitec equipment, use Rx+ and Rx-