- In small size, just like a cigarette box
- 10/100M Ethernet, Self-Tuner, also can set up handed
- Strong function, is the real communication server
- Serial Port types, RS-232/422/485 compound flexibly  
- Can set up only by software, no need hardware switch
- Supports Windows OS real COM Derivers,
- Allow 6 Hosts open the same serial port simultaneously
- Supports TCP and UDP Socket, each serial port can support 6 dialogues, and the mode can be different (TCP SERVER, TCP CLIENT and UDP)
- Provides UNIX and LINUX fixed TTY driver
- Supports PPP/SLIP dial-in and out
- Supports TTY, can connect to the character terminal of bank system