1、Adopted of high quality electronic components, and accuracy process, ensure for the durability 2、This converter is compatible with RS-232C and RS-485 standards 3、It converts single-ended PS-232 signals into balanced RS-485 differential signals and extends communication distance to 1.2 kilometre 4、The converter is passive and does not require an external power supply 5、Widely used in industrial automation, canteen sales systems, employee attendance management, highway toll stations, etc. <div class="wang-edit-text">Condition: Brand newItem Type: Converter AdapterInterface: EIA/TIA compatible RS-232C standard and RS-485 standardElectrical Interface: RS-232 is a DB9 female (hole), RS-485 is a 4-bit terminalWorking Mode: Asynchronous, half duplex. Differential transmissionTransmission Medium: Twisted pair or shielded twisted pairCommunication Rate: 300-115200bpsSize: Approx. 57 x 37 x 17mm / 2.2 x 1.5 x 0.7inWorking Environment: 2-50℃, relative humidity 5%-95% (commercial working environment is 0-70℃), (industrial working environment is -20-85℃)Communication Distance: 1200 meters (RS-485 end), 5 meters (RS-232 end)<style>.w-e-text table td,.w-e-text table th,.wang-edit-text table td, .wang-edit-text table th{border: .5pt solid #000;};.w-e-text table,.wang-edit-text table{border: 1px solid #000 !important;}</style> 1 x&nbsp;Converter Adapter