SENA ProBee-ZE20S-HAOL - Manual (Page 87)

ProBee-ZE20S-HAxx User Guide Rev 1.9 87
11 Connections
11.1 Serial Port Pin Outs
ProBee-ZE20S is a DCE device compatible with the RS232 standard, a DB9 female interface.
Figure 11-1 Pin layout of the DB-9 female connector
Table 11-1 Pin assignment of the DB-9 female connector
Pin # Signal Direction Description
1 - - -
2 TxD Output Transmitted Data
3 RxD Input Received Data
4 DSR Input Data set ready
5 GND - Signal Ground
6 DTR Output Data terminal ready
7 CTS Input Clear to Send
8 RTS Output Ready to send
9 VCC Input (5V ~ 12V)