Revo REVDPTZ10-1 - Manual (Page 13)

The device which is connected at end of line, whether it be a dome
camera or keyboard controller, must have the cable for communication
terminated by setting the appropriate DIP switch. Without proper
termination, there is potential for control signal errors. Total length of the
cable for communication should not exceed 1.2km.
2.5 Setting Dome Camera Termination
TERMINATION ON
Cable for communication
TERMINATION ON
Cable for communication
TERMINATION ON TERMINATION ON
INPUT
TERMINATION ON
OUTPUT
TERMINATION ON
1.2km 1.2km
REPEATER/SPLITTER
TERMINATION ON
TERMINATION ON
TERMINATION ON
TERMINATION ON
Cable for communication Cable for communication
DOME1 PORT DOME2 PORT
TERMINATION ON
TERMINATION ON
Cable for communication
DOME1 PORT
TERMINATION ON
Cable for communication
TERMINATION ON
TERMINATION ON
INPUT
TERMINATION ON
OUTPUT
TERMINATION ON
DOME2 PORT
Termination Diagram
RS-485 Termination S/W
Setting Unit for Termination
SW1
Terminated
Not terminated
1
ON
OFF
1
2
3
4
5
6
7
8
9
0
O
N
O
FF N O
TOP
8