Features:

1, Without any jumper wire and switch, plug and play

2, Support USB turn RS - 485/232/422 / TTL

3, Support TTL R - S232/422/485

4, Support RS232 RS - 422/485

5, Support 5 v @ 250 mA, 3 v @ 50 mA power supply output

6, Each data input are light all the way

7, The transmission rate can be up to 115.2 Kbps

8, Automatic RS - 485 data flow control

9, Without external power supply, completely through USB port

10, Supports Windows 2003 / XP / Server Vista / 7 / 8 / 8. 1 MAC/Linux/Android

11, Transmission rate: 600 BPS to 115.2 Kbps

12, Check digit: odd parity, parity, no check

13, The data bits: 5, 6, 7, 8

14, Working distance, the RS - 232:50 ft (15 m) @ 19.2 Kbps

RS - 422, RS - 485: 422 ft (1200 m) @ 57.6 Kbps

TTL: 2 ft (0.5 m) @ 19.2 Kbps