Rs485 Connection - Kodicom ND-1016 User Manual

1.6 RS485 Port Connection
1.6 RS485 Port Connection
DVR System and PTZ device can be controlled by use of RS485 interface. RS485
terminal which is provided in DVR system can be used to control PTZ camera and
speed dome and other external devices. For PTZ camera connect RX+ and TX+ with
(+)RS485 port, connect RX- and TX- with (-)RS485 port.
[Warning]
• Make sure positive (+) and minus(-) signal are correct polarity. Connecting to
the wrong side could damage the system.
20
20