Photoelectric Isolation Interface Converter

Features: 1) Photoelectric Isolation Interface Converter 2) RS-232 to RS-422/485 3) Interface is compatible with EIA/TIA RS-232C, RS-422/485 standard 4) Electric interface: RS-232C interface DB9 hole connector RS-422/485 interface 4-bit terminal 5) Transmission media: twisted-pair cable or shielded cable 6) Working mode: asynchronous half or full duplex 7) Signal indication: three signal indication lights indicate TD, RD and PWR 8) Power supply: serial port electricity stealing at RS-232 end, external power supply connecting at RS-422/485 end 9) Isolation: isolation voltage 3500VRMS 500V DC sequence special built-in 400W lightning protection IC 10) Transmission speed: 115.2Kbps to 1.2km 38.4Kbps to 2.4km 11) The product has a few appearance and high efficiency serial port electricity stealing technology patents 12) Patent certificate no.: ZL03234984.X ZL0334377.2 Application fields: a) Point to point, point to multi-point communication b) Industrial distribution system, industrial control automation c) Road traffic control automation d) Closed circuit monitoring e) Security protection system f) Intelligent card, check on work attendance gate safety system