Manual

94
ProBee
-
ZE20S User Guide Rev.1.
10
11 Connections
11.1 Serial Port Pin Outs
ProBee-ZE20S starter kit 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)