Promi SD™ User Manual ver 1.7
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11
1.6 Interface- RS232 / Bluetooth
1.6.1 RS232 Interface
Promi SD
TM
has a 9-PIN DSUB (female) connector as shown below in Fig 1.7.1.
Figure 1.7.1 9-PIN DSUB (Female)
The serial interface is RS232 DCE configured; a DTE device can be
connected.
Baud rate: 1200~115200 bps
230400bps (for Promi SD102/202/ESD)
Hardware flow control (RTS/CTS)
Pin Signal
Direction
1 CD
Output
2 TxD
Output
3 RxD
Input
4 DSR
Input
5 GND
-
6 DTR
Output
7 CTS
Input
8 RTS
Output
9 Vcc
Input
Table 1.7.1. Promi SD™ 9-PIN Specification