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RS-485 Connector
Please connect keyboard to Speed Dome through the terminal block. The communication
interface between Speed Dome and Keyboard is RS-485. Maximum cable length for
RS-485 communication over 24-gauge wire is 4000 feet (1219 meters). The recommended
cable for RS-485 communication is CAT 5 cable.
Definition Cable Color
T+ (D+) Yellow
R- (D-) Orange
T- (D-) Green
R+ (D+) Brown