Perle Systems Speed LE 1P - Manual (Page 46)

Connector Box and Cable Pinouts
Page 46
RJ45 10-pin to DB9 Converter
RJ45 pin DB9 Pin EIA-232 DIRECTION
1 9 RI IN
2 1 DCD IN
3 4 DTR OUT
4 6 DSR IN
5 5 GND
6 3 TXD OUT
7 2 RXD IN
8 7 RTS OUT
9 8 CTS IN
10 N/C
Shell Shell C-GND