Moxa’s industrial-grade serial-to-fiber optic converters can convert RS-232/422/485 to optical fiber, which provides users with an easy and reliable way to communicate with their serial devices.

RS-232/422/485 to multi-mode optical fiber media converter with fiber ring support and ST connector, 0 to 60°C operating temperature

Serial Interface
No. of Ports – 2
Serial Standards
– RS-232
– RS-422
– RS-485
Baudrate – 50 bps to 921.6 kbps (supports non-standard baudrates)
Flow Control – ADDC (automatic data direction control) for RS-485
Optical Fiber
Optical Fiber
Pull High/Low Resistor for RS-485 – 1 kilo-ohm, 150 kilo-ohms
RS-485 Data Direction Control – ADDC (automatic data direction control)
Terminator for RS-485 – N/A, 120 ohms, 120 kilo-ohms
Connector – Multi-mode ST connector
Latency – 300 ns

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

Power Parameters
No. of Power Inputs – 1
Input Current – 70 to 140 mA @ 12 to 48 VDC
Input Voltage – 12 to 48 VDC
Overload Current Protection – Supported
Power Connector – Terminal block
Power Consumption – 70 to 140 mA @ 12 to 48 VDC
Reverse Polarity Protection – Supported

Physical Characteristics
IP Rating – IP30
Housing – Metal
Dimensions (with ears) – 90 x 100 x 22 mm (3.54 x 3.94 x 0.87 in)
Dimensions (without ears) – 67 x 100 x 22 mm (2.64 x 3.94 x 0.87 in)
Weight – 320 g (0.71 lb)
Installation – Wall mounting

Environmental Limits
Operating Temperature – 0 to 60°C (32 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: 10 V/m
– IEC 61000-4-4 EFT: Power: 1 kV
– IEC 61000-4-5 Surge: Power: 1 kV
– IEC 61000-4-6 CS: 3 V
– 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 – 780,480 hrs
Standards – Telcordia (Bellcore), GB