ตัวแปลง rs232 to rs485 converter / ตัวต่อ RS232 DB9

ตัวแปลง RS232 to RS485 converter
Features:
- Converts RS-232 TXD and RXD signal to 2 lines equalized half duplex RS-485 signal.
- Requires no external power supply.
- Auto flow control, do not need to set ♆ually.
- Easy to install and use.


Specification:
- Serial Port Feature: Concurrently compatible with RS-232C, RS-485 standard of EIA/TIA
- Electric Port: DB9 hole interface of RS-232,DB9 pin connector of RS-485, compatible with post (5 connection)
- Work Mode: Asynchronous Half Duplex
- Transmission Media: Common Wire, UTP or STP
- Transmission Speed: 300-115200BPS
- Transmission Range: 5m (RS-232) 1200m(RS-485)
- Telecommunication Protocol: Transparent.
- Work Environt: -10°C - 85°C, 5% - 95% RH
- Signals: RS-232:TXD,RXD,RTS,CTS,DTR,DSR,DCD,GND, RS-485: Date+, Date-, GND