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

RS-232/422/485 to single mode fibre media converter with fibre ring support and ST connector, -40 to 75°C operating temperature

Serial interface
Number of ports
– 2
Serial standards
– RS-232
– RS-422
– RS-485
Baud rate
– 50 bps to 921.6 kbps (supports non-standardised baud rates)
Flow Control
– ADDC (automatic data direction control) for RS-485
Fibre optics
Pull high/low resistor for RS-485
– 1 kilo-ohm, 150 Kilo-Ohm
RS-485 Data Direction Control
– ADDC (automatic data direction control)
Terminator for RS-485
– N/A, 120 Ohm, 120 Kilo-Ohm
Connector
– Single-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

Performance parameters
Number of current inputs
– 1
Input current
– 70 to 140 mA @ 12 to 48 VDC
Input voltage
– 12 to 48 VDC
Overload current protection
– Supports
Power connection
– Terminal block
Current consumption
– 70 to 140 mA @ 12 to 48 VDC
Reverse polarity protection
– Supported

Physical properties
IP protection class
– 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

Ambient conditions
Operating temperature
– -40 to 75°C (-40 to 167°F)
Storage temperature (including packaging)
– -40 to 85°C (-40 to 185°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: 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 hours
Standards
– Telcordia (Bellcore), GB