Perle Systems 5500174-11 User Manual
Definitions of Signals and Direction
Page 34
DB9 back panel connectors and pinout
The following diagram shows the SPEED1 LE standard and Low Profile back panels
respectively.
respectively.
DB9M pin
EIA-232
1
DCD
2
RXD
3
TXD
4
DTR
5
S-GND
6
DSR
7
RTS
8
CTS
9
RI
10
C-GND