1. Interface characteristic: compatible with the standards of RS-232C and RS485/RS-422 issued by EIA/TIA.
2. Electric interface: DB9 female connector for RS-232 interface input end, DB9 male and RJ-45 connector for RS-422/RS-485 interface output end.
3. Protection grade: +/-15KV ESD protection for RS-232 interface, and 600W surge protection each line for RS-422 and RS-485 interfaces.
4. Operation mode: asynchronous half duplex or asynchronous full duplex.
5. Signal indication: 3 pilot lamps for Power (PWR), Send (TXD) and Receive (RXD).
6. Transmission media: twisted pair cable or shielded cable.
7. Transmission rate: 115.2K BPS to 300M, 38.4K BPS to 2.4KM and 9, 600 BPS to 5KM.
8. Dimensions: 113mm*55mm*25mm.
9. Working circumstance: -40� to 85�, relative humidity 5%-95%.
10. Transmission distance: 0-1, 200meters (115, 200bps-9, 600bps).