Rs-232 Connect Cable Made Method - Planet DVR-1670 User Manual

2 RS-232 connect cable made method

DVR-802x has standard DB9 RS-232 interface, like PC COM port.
Pin definition
"I" means DVR input and O means DVR output.
Pin index
1
2
3
4
5
6
7
8
The corresponding relationship of cross cable
Name I/O
DCD I
RXD I
TXD O
DTR O
GND
-- --
RTS O
CTS I
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Description
Carrier Detect
Receive Data
Transfer Data
Terminal Device Ready
Ground
--
Request to Send
Clear Data