Rj45-Db9F Instruction - Caimore CM3155R User Manual

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2.5 RJ45-DB9F Instruction

This Router supports RS232 asynchronous communication serial interface and adopts
RJ45. Serial interface mainly used to configure control or configure to be DTU function.
Com/line: RS232 asynchronous communication serial interface
RJ45-DB9F conversion line signal connection as below mentioned: The signal definition
of DB9F Serial communication interface shows as below mentioned:
RJ45
1
2
3
4
5
6
7
8
The signal definition of DB9F Serial communication interface shows as below
mentioned:
PIN RS232 Signal
Name
1 DCD
2 RXD
3 TXD
4 DTR
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DB9F
8
6
2
1
5
3
4
7
Description
carrier wave
signal check
receive data
send data
Prepare data
terminal well
20
Direction relative to
DTU
output
output
input
input
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