20
RS-485 Connector Definition
The dome camera uses the RS-485 interface to communicate with a connected
control device. Connect a control keyboard to the speed dome using the terminal
block. OpenEye recommends using CAT 5 cables for RS-485 communication with a
maximum length of 4000 feet (1219 meters) for 24-gauge wire. If the total cable
length exceeds 4000 feet, use a repeater to maintain the signals. Refer to the table
below for pin definition and wiring.
Connector
Pin Number
Definition
1
R-
2
GND
3
R+
4
T-
5
T+
