Perle Systems 5500174-11 MP3 Player Accessories User Manual


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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.
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
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