How To Make A Rs-232 Connect Cable; How To Make A Utp Network Connect Cable - Q-See QSD42908 Net User Manual

2 How to Make a RS-232 Connect Cable

QSD42908 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

3 How to Make a UTP network Connect Cable

Material and tool
One twist cable (8 pin, the length can be defined as to the actual demand, but must be within
100m), 2 standard RJ45 head, one tool for RJ45.
Suggestion: have a network cable test tool to test each cable made.
Pin definition
To make the network cable according to your actual needs there are two options:
(1) Use the following method to make the network cable when DVR is connected to a
network hub or switch.
QSD42908 User's Manual
Name I/O
DCD I
RXD I
TXD O
DTR O
GND
-- --
RTS O
CTS I
The corresponding relationship of the direct cable
Description
Carrier Detect
Receive Data
Transfer Data
Terminal Device Ready
Ground
--
Request to Send
Clear Data
94