Document Reference No.: FT_000116
USB TO RS422 SERIAL CONVERTER CABLE Datasheet
Version 1.2
Clearance No.: FTDI# 74
6 Cable PCB Block Diagram
The block diagram for the small internal electronic circuit board, utilising the FTDI FT232R, which is
encapsulated into the USB connector end of the cable, is shown in Figure 6.1.
Customised versions of the cable are also available. Users interested in customised versions of these
cables should contact FTDI sales (sales1@ftdichip.com).
TxD -
TxD+
RxD-
RxD+
RTS-
RTS+
CTS-
CTS+
VBUS
TXD
USB_DM
USB_DP
RXD
RTS
USB A
CONNECTOR
FT232R
Transceiver
GND
CTS
GND
Wire Ended
Figure 6.1 Block diagram of PCB Used in the USB to RS422 Serial Converter Cable
Copyright © 2010 Future Technology Devices International Limited
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