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.

This port-powered RS-232 to RS-422/485 converter features 15 kV serial ESD protection and a DB9 connector on the RS-422/485 side.

Serial interface:

• Connector: DB9 connector
• Number of connectors: 2
• Serial standards: RS-232, RS-422, RS-485
• RS-485 data direction control: ADDC (automatic data direction control)
• Terminating resistor for RS-485: N/A, 120 Ohm, 120 Kilo-Ohm
• Baud rate: 300 bps to 115.2 kbps

Serial signals:

• RS-422: Tx+, Tx-, Rx+, Rx-, GND
• RS-485 (4 wire): Tx+, Tx-, Rx+, Rx-, GND
• RS-485 (2 wire): Data+, Data-, GND
• RS-232: TxD, RxD, GND

Performance parameters:

• Input current: 30 mA @ 5 to 12 VDC
• Input voltage: 5 to 12 VDC
• Quantity of mains inputs: 1
• Overload protection: Supported
• Input power source: Mains input socket

Physical characteristics:

• Housing: Top cover plastic, base plate metal
• Degree of protection: IP30
• Dimensions: 42 x 91 x 23.6 mm (1.65 x 3.58 x 0.93 in)
• Weight: 50 g (0.11 lb)
• Installation: Desktop

Environmental conditions:

• Operating temperature: 0 to 60°C (32 to 140°F)
• Storage temperature (including packaging): -20 to 75°C (-4 to 167°F)
• 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: 2,781.161 hours
• Standards: Telcordia (Bellcore), GB.