RS232 To RS485 Serial Port Data Interface Adapter Converter 1.2KM 3 Bit Wholesale

Description:
RS-232 to RS-485 Adapter Converter
Weight: 45g
Easy use, no wire, no tool required
Without requiring any AC or DC power
A female DB9 interface allows it to be plugged directly into any one of the PC's Com ports
Convert RS-232 signal to RS-485 signal
Working Modes: Asynchronous, half-duplex, differential transmission
Work Environment: -10C to 85C, relative humidity 5% to 95%
Transmission Distance: 1.2 mile (RS-485), 5 meters(RS-232)
Transmission Speed: 300-115200 bps
Transmission Media: Common wire, doule wire, UTP or Shielding Line
Serial Port Feature: Compatible with EIA/TIA RS-232C standard and RS-485 standard
Electronic Interface: At the side of RS-232 is a DB9 female (hole-type) connector. At the side of RS-485 is a DB9 male (needle-type) connector, with connection board
Package includes:
1 x RS-232 to RS-485 adapter
1x 3 poles connection board
1 x User's Guide in English.
Signals
RS-232: TXD, RXD, RTS, CTS, DTR, DSR, DCD, CND
RS-485: Date+, Date-, GND