25
External Control Device Terminal(RS–422/485)
This terminal is connected to external control devices. The JP2 termination that set is turns on and
off the termination resistance of RS–422/485 communication device. The JP2 termination is inside of
the DVR.
`
No.
Description
Classification
RS-422
RS-485
1
TX+(+Transmit Data)
Data+
2
TX-(- Transmit Data)
Data-
3
RX+(+Receive Data)
4
RX-(- Receive Data)
When using RS–485, connect TX+ to Data+ and connect TX– to Data–.