Perle Systems Adaptors ユーザーズマニュアル

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UltraPort Serial Adaptors User Guide
Connector box and cable pinouts
Page 119
Chapter 3 Cabling information
RJ45 10-pin to DB25 converter
RJ45 pin
DB25 Pin
EIA-232
EIA-422
EIA-485
1
22
RI
RTS+
NC
2
8
DCD
CTS-
NC
3
4
RTS
RTS-
NC
4
6
DSR
RXD-
RXD-
5
2
TXD
TXD-
TXD-/RXD-
6
3
RXD
RXD+
RXD+
7
7
S-GND
S-GND
S-GND
8
5
CTS
CTS+
NC
9
20
DTR
TXD+
TXD+/RXD+
10
N/C
1 & Shell
1 & Shell
C-GND
C-GND
C-GNDl