UltraPort Serial Adaptors User Guide
Connector box and cable pinouts
Page 119
Chapter 3 Cabling information
RJ45 10-pin to DB9 converter
RJ45 pin
DB9 Pin
EIA-232
EIA-422
EIA-485
1
9
RI
RTS+
NC
2
1
DCD
CTS-
NC
3
7
RTS
RTS-
NC
4
6
DSR
RXD-
RXD-
5
3
TXD
TXD-
TXD-/RXD-
6
2
RXD
RXD+
RXD+
7
5
S-GND
S-GND
S-GND
8
8
CTS
CTS+
NC
9
4
DTR
TXD+
TXD+/RXD+
10
N/C
Shell
Shell
C-GND
C-GND
C-GND