User Manual EPT USB To Serial 1 Meter Cable
Page 5
and the FTDI driver will calculate the required divisor, and set the baud rate. See FTDI
application note AN232B-05 for more details
The EPT 232R-US-R1 cable is limited to a maximum of 1 Mbaud because of the line driver
within the circuit.
3
Installation
3.1
RS232 Connection Pin Out
Figure 3-1 RS232 DB9 Pin Out
DB9 Pin No.
Name
Type
Description
1
DCD
Input
Data Carrier Detect control input
2
RXDATA
Input
Receive Asynchronous Data input.
3
TXDATA
Output
Transmit Asynchronous Data output.
4
DTR
Output
Data Terminal Ready control output / Handshake signal
5
GND
GND
Device groud supply pin.
6
DSR
Input
Data Set Ready control input / Handshake signal
7
RTS
Output
Request To Send Control Output / Handshake signal
8
CTS
Input
Clear to Send Control input / Handshake signal.
9
RI
Input
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.
