9 Pin RS-232 to RS-485 Adapter

This adapter is able to convert RS-232 signal to RS-485 balanced differential signal and extend the communication distance to 1.2km. It is passive and doesn't require external power.

Features:

• Quantity: One
• 100%Brand new and high quanlity
• 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

Specification:

• Convert RS-232 signal to RS-485 signal
• Working Modes: Asynchronous, half-duplex, differential transmission
• Work Environment: -10°C to 85°C, 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

Signals:

• RS-232: TXD, RXD, RTS, CTS, DTR, DSR, DCD, CND
• RS-485: Date+, Date-, GND

Package Includes:

• 1 x RS-232 to RS-485 adapter
• 1 x English instruction
• 1x 4 poles connection board