Installation Guide
www.ernitec.com
17
Analog
Dome
Camera
The analog Dome Camera’s 22-pin connector definition is listed as below.
Pin
Definition
Cable
Pin
Definition
Cable
1
AC 24-1/DC (
+
) 20AWG 18
G
12
ALM-1
/ AW
2
ALM NC
13
ALM-3
AC 24-2/D
18
G
14
ALM-2
C (
-
) 20AWG/ AW
3
ALM NO
15
ALM-4
4
5
FG 20AWG/18AWG
16
ALM-5
6
ALM COM
ALM-6
17
7
T+
18
ALM-7
8
R-
19
ALM-8
9
T-
20
ALM GND
10
R+
24AWG
21
VGND
11
ISOG
22
Video
20AWG
section 3.3.5 Cable
NOTE:
For alarm connection, please refer to
Wiring and Connection.
RS-485 Connector Definition
RS-485 is the interface tha
3.3.4
t communicates the Dome Camera and its control
device. Please connect the control keyboard to the Dome Camera 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 exceeds 4000 feet, using a repeater to
maintain the signals is recommended. Please refer to the figure and table
below for pin defination and wiring.