This is a 3-in-1 serial adapter. Through this serial adapter you can establish RS232, RS485, TTL communication connections for various devices or terminals. It can meet 3 different applications with only one device, which is very suitable for engineers and electronic hardware enthusiasts.

Specification:
Model NO: SH-U20A
Standard : RS485,RS232, TTL(5V)
Main chip: FTDI FT232RL
Cable Length: 1.0M/3.2FT
RS485 PIN: RS485 A+, RS485 B- ,Ground
RS232 Interface: DB9 Male
TTL UART Interface: RX(5V),TX(5V),GND
LED indicator for TX,RX,Power
Baud rate: 300bps to 3Mbps
Plug & Play after one time driver installation;

List of supported systems
1,Windows xp,7,8,10
2,Ubuntu 11.10, kernel 3.0.0-19
3,Mac OS X 10.3 to 10.8 (32 &64 bit)
4,Mac OS X 10.9 and above(64 bit)
You can download the driver directly from FTDI's website

Packing list:
1 X SH-U20A USB to RS232/RS485/TTL Adatper
1 X USB Type B Cable (1M/3.2FT)
1 X User manual
1 X CD Driver

WARRANTY:
DSD TECH offers a 12-month warranty on this USB to RS232/RS485/TTL Serial Cable. If you have any questions, please contact us and we will resolve your issue within 24 hours.

Important Notes
This product uses FTDI FT232RL chip by default, because of the chip out of stock, some production batches use FTDI FT232RNL model chip . Please do not worry, FT232RNL is also the chip produced by FTDI, can completely replace FT232RL. If you still care about these please contact us.