RS-485/422/232 MULTIMODE (BM485-UIP)


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SKU: BM485-UIP. Category: .

The BaudMaster™ Model BM485-UIP is our most versatile interface converter. It can operate in one of the following six modes as a converter, isolator or repeater: RS-232 to RS-485, RS-232 to RS-422, RS-485 to RS-422, RS-485 to RS-485 or RS-422 to RS-422.


  • Omni-isolation™
  • Automatic Data Flow Control (ADFC™)
  • Pluggable Termination Block
  • 0 to 115.2 K bps
  • 4000 feet (1220 meter) Range
  • Wide Operating Temperature Range: -25°C to 80°C
  • Stainless Steel Enclosure
Isolation Omni-isolationTM provides 4-way isolation using optical and transformer technology. Equipment-to-Line, Equipment-to-Power, Line-to-Power, Equipment-to-Chassis, Line-to-Chassis, Power-to-Chassis.
Hi-Pot: 2000 V
RMS for 1 minute, 5500 VDC for 1 second Leakage Current: Less than 50uA @ 2000 VAC / 60 Hz; 5500 VDC
Baud Rates 0 to 115.2K bps
Range 4000 feet (1220 meters) @ 38.4K bps with 24 AWG twisted pair
Weight 12.8 oz. (363 grams)
Power 9 to 24 volts AC or DC @ 170mA (max)
Enclosure 18 gage Stainless Steel
Dimensions Height: 4.60 inches (117mm)
Depth: 4.16 inches (106mm)
Width: 1.00 inch ( 25mm)
RS-485/422 Supports RS-422, 4 or 2 wire and RS-485, Auto Detect Input Resistance: 12K to 15K ohms (1 unit load)
Drive: Up to 32 unit loads (1 unit load = 12K ohms)
Connector: Pluggable Terminal Blocks (#16 to #24 AWG)
Biasing Resistors: Selectable 100K or 1.2K ohms Terminating Resistors: Selectable NONE, AC or DC
RS-485 Enable Automatic. Patented ADFC™ technology automatically controls data direction flow.
RS-232 Supports TxD, RxD, DTR, DSR, RTS, CTS, DCD;
Connector: DB9 Male or Female
DCE or DTE selectable
Operating Temperature -20°C to +80°C
Storage Temperature -45°C to +100°C
Humidity 5% to 95% RH
Compliance Pending (CE, FCC Class A, CUL, UL Safety Class II)
Accessories DIN Rail Mounting Kit: Part No DA-01
AC Power Adapter: North American: 120 VAC Input
AC Power Adapter: European: Universal Input: 90-264 VAC Input
Surge Protection 600 Watt Transient Voltage Suppression on RS-485/422 inputs and outputs, RS-232 inputs and outputs and Power input.
Indicators Equipment Side: Power, RxD, TxD LEDs
Line Side: Power, RxD, TxD LEDs


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