6
2.3 The pin definition of physics interfaces
2.3.1 PIN definition of RS-232 serial interface
DS-6001DI decoder has one RS-232 standard serial interface, with RJ-45 connector. Its pin definition
is as follows (‘I’ means input, and ‘O’ means output):
Cable connects DS-6001DI to PC, one end of the cable is the 8-pin RJ45 connector and the other is
DB9 connector.
RJ45
DB9(DTE)
DCD 1
RXD 2
TXD 3
CTS 4
RTS 5
DTR 6
GND 7
DTR 8
4 DTR
3 TXD
2 RXD
7 RTS
8 CTS
1 DCD
5 GND
6 DSR
2.3.2 PIN definition for RJ-45 connector of RS-485 serial interface
RXD+ : Signal R
RXD- : Signal Receive -
When serial keyboard is connected to RS-485 of DS-6001DI, generally decoder only needs to be receiving
order signals.
2.3.3 10M/100M Adaptive UTP network connect cable making method
(1) PIN definition of the direct network cable connecting to switchboard and HUB: