Port-powered RS-232 to RS-485 Converter

• Port-powered from RS-232 port (TXD,RTS,DTR): no external power is necessary 
• Convert RS-232(TXD,RXD signal) to RS-485 signal 
• Plug-and-Play (hot-pluggable, Data format Auto-sensing & Self-adjusting) 
• Data direction auto-turnaround, no flow control is required 
• Point to multi point, support 128 nodes loopback

Specification

• Standards: EIA RS-232C, RS-485 standard
• RS-232 signal: TX, RX, GND
• RS-485 signal: D+, D-, GND
• Working mode: Asynchronism, point to point, 4 wire full-duplex
• Transfer rate: 300~115200bps, auto test serial signal rate detect signal speed automatically, zero delay time
• Flow control: Data direction auto-turnaround, no flow control is required
• Max number of drops: 128 nodes
• Transfer distance: RS-485side: 1.2Km
• RS-232 side: no less than 5m
• Port protect: 1500W surge protection,15KV ESD protection
• Connector: RS-232 side DB9 female
• RS-485 side DB9M( DB9F to 3 bit terminal block)

Power

• Power input: No power supply need, powered from RS-232 port TXD, RTS, DTR
• Consumption: Static less than 10mA, dynamic less than 40mA

• Operating temperature: -20 °C to 60 °C 
• Storage temperature: -40 °C to 85 °C
• Humidity: 5% to 95%(no condensation)

• Dimensions: 90.0mm x 33.0mm x 16.5mm(DB9)
• Material: Plastic(shell) 
• Weight: 40g
• Warranty: 3 years
• Approvals: FCC, CE, RoHS approvals