We are UTEK TECHNOLOGY(ASIA)CO., LTD. based in Shenzhen , China. We are member of Tradekey.com since March, 2011. Our business is related to Industrial Machinery industry and we specifically deal in Industrial control products. Please find our product details below: Industrial external-mounted photoelectric isolation interface converte ■ Compatible with RS-232 and RS-485 standards of EIA/TIA. ■ Automatic data transceiver without external volume control signal (RTS) and three-line (TXD, RXD and GND) communication. ■ Communication rate: 300BPS-115.2KBPS ■ A maximum connection of 128 pieces of RS-485 or RS-232 interface devices. ■ Communication distance: 5 KM (9, 600BPS) ■ Power indicator light and data traffic indicator light available for malfunction indication. ■ Working mode: Working modes: applicable for both asynchronous half duplex (RS- 485) and asynchronous full duplex (RS-422) without any jumper settings needed. ■ Photoelectric isolation (an isolation voltage as high as 2.5KVrms /500VDC isolation), dedicated DC/DC module, 1, 500W lightning strike and surge protection and +/-15KV ESD protection and grounding interference protection for each RS- 485/422 line. ■ Electric interface: connector from DB9 female to DB9 male and RJ-45 connector. ■ Transmission media: twisted-pair cable or shielded cable. ■ Dimensions: 97mmX65mmX22mm. ■ Working environment:-40℃ to 85℃, relative humidity 5% to 95%. ■ Plug-and-play and universally applicable on all the existing communication software. ■ Supporting DOS/WIN95/WIN98/WIN2000/NT/XP and Linux, etc. Industrial external-mounted photoelectric isolation interface converte ■ Compatible with RS-232 and RS-485 standards of EIA/TIA. ■ Automatic data transceiver without external volume control signal (RTS) and three-line (TXD, RXD and GND) communication. ■ Communication rate: 300BPS-115.2KBPS ■ A maximum connection of 128 pieces of RS-485 or RS-232 interface devices. ■ Communication distance: 5 KM (9, 600BPS) ■ Power indicator light and data traffic indicator light available for malfunction indication. ■ Working mode: Working modes: applicable for both asynchronous half duplex (RS- 485) and asynchronous full duplex (RS-422) without any jumper settings needed. ■ Photoelectric isolation (an isolation voltage as high as 2.5KVrms /500VDC isolation), dedicated DC/DC module, 1, 500W lightning strike and surge protection and +/-15KV ESD protection and grounding interference protection for each RS- 485/422 line. ■ Electric interface: connector from DB9 female to DB9 male and RJ-45 connector. ■ Transmission media: twisted-pair cable or shielded cable. ■ Dimensions: 97mmX65mmX22mm. ■ Working environment:-40℃ to 85℃, relative humidity 5% to 95%. ■ Plug-and-play and universally applicable on all the existing communication software. ■ Supporting DOS/WIN95/WIN98/WIN2000/NT/XP and Linux, etc. Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.