Document Reference No.: FT_000151
DS_US232R-10(R-100/500) USB TO RS232 ADAPTER CABLE Data Sheet
Version 1.11
Clearance No.: # 99
3
Installation
3.1 RS232 Connection Pin Out
Figure 3-1 RS232 DB9 Pin Out
DB9 Pin No.
1
2
3
4
5
6
7
8
9
Name
DCD
RXDATA
TXDATA
DTR
GND
DSR
RTS
CTS
RI
Type
Input
Input
Output
Output
Gnd
Input
Output
Input
Input
Description
Data Carrier Detect control input
Receive Asynchronous Data input.
Transmit Asynchronous Data output.
Data Terminal Ready control output / Handshake signal
Device groud supply pin.
Data Set Ready control input / Handshake signal
Request To Send Control Output / Handshake signal
Clear to Send Control input / Handshake signal.
Ring Indicator control input. When remote wakeup is
enabled in the FT232RL’s internal EEPROM taking RI#
low can be used to resume the PC USB host controller
from suspend.
Copyright ? 2011 Future Technology Devices International Limited
12
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