Moxa’s serial-to-serial media converters can convert between RS-232, RS-422 and RS-485, eliminating compatibility issues that often occur when communicating between different serial interfaces.

RS-232 to RS-422/485 converter with optical isolation

Serial Interface
– Baudrate 50 bps to 921.6 kbps (supports non-standard baudrates)
– Connector Terminal block
– Isolation 2 kV (I models)
– No. of Ports 2
– Pull High/Low Resistor for RS-485 1 kilo-ohm, 150 kilo-ohms
– RS-485 Data Direction Control ADDC (automatic data direction control)
– Serial Standards
RS-232
RS-422
RS-485
– Terminator for RS-485 N/A, 120 ohms, 120 kilo-ohms

Serial Signals
– RS-232 TxD, RxD, RTS, CTS, GND
– RS-422 Tx+, Tx-, Rx+, Rx-, GND
– RS-485-4w Tx+, Tx-, Rx+, Rx-, GND
– RS-485-2w Data+, Data-, GND

Power Parameters
– Input Current 150 mA @ 12 to 48 VDC
– Input Voltage 12 to 48 VDC
– No. of Power Inputs 1
– Overload Current Protection Supported
– Power Connector Terminal block (for DC models)

Physical Characteristics
– Housing Metal
– Dimensions 67 x 100.4 x 22 mm (2.64 x 3.93 x 0.87 in)
– IP Rating IP30
– Weight 148 g (0.33 lb)
– Installation
DIN-rail mounting (with optional kit)
Wall mounting

Environmental Limits
– Operating Temperature -20 to 60°C (-4 to 140°F)
– Storage Temperature (package included) -40 to 85°C (-40 to 185°F)
– Ambient Relative Humidity 5 to 95% (non-condensing)

Standards and Certifications
– EMC EN 55032/35
– EMI CISPR 32, FCC Part 15B Class A
– EMS
IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV
IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m
IEC 61000-4-4 EFT: Power: 1 kV; Signal: 0.5 kV
IEC 61000-4-5 Surge: Power: 1 kV
IEC 61000-4-6 CS: 150 kHz to 80 MHz: 3 V/m; Signal: 3 V/m
IEC 61000-4-8 PFMF
– Environmental Testing
IEC 60068-2-1
IEC 60068-2-2
IEC 60068-2-3
– Safety UL 60950-1
– Vibration IEC 60068-2-6

MTBF
– Time 3,017,857 hrs
– Standards Telcordia (Bellcore), GB