Manufacturer Part Number: MOXA TCF-142-M-ST
OEM Spec Ref 
The MOXA TCF-142-M-ST is a sophisticated Serial-to-Fiber Converter that ensures reliable serial communication over fiber optic links. Designed to extend serial transmission distance up to 5 km at 9600 bps, this converter supports a multitude of network structures, including point-to-point and daisy chain topologies, making it an ideal choice for industrial environments where electromagnetic interference and ground loop issues are a concern.
Key Features:
Benefits:
Applications:
The MOXA TCF-142-M-ST Serial-to-Fiber Converter stands out as a reliable and versatile solution, specifically engineered to enhance communication in diverse industrial scenarios, ensuring data integrity and system reliability across extensive operational landscapes.
| 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 | Refer Table 2 | |
| 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 | |
| Warranty | Warranty Period | 5 years | 
| Details | See www.moxa.com/warranty | 
| Multi-Mode | Single-Mode | |||
| Fiber Cable Requirements | 50/125 µm, 800 MHz | G.652 | ||
| 62.5/125 µm, 500 MHz | ||||
| Typical Distance | 5 km | 40km | ||
| Wavelength | Typical (nm) | 850 | 1310 | |
| TX Range (nm) | 840 to 860 | 1290 to 1330 | ||
| RX Range (nm) | 800 to 900 | 1100 to 1650 | ||
| Optical Power | TX Range (dBm) | 0 to -5 | 0 to -5 | |
| RX Range (dBm) | 0 to -20 | 0 to -25 | ||
| Link Budget (dB) | 15 | 20 | ||
| Dispersion Penalty (dB) | 1 | 1 | ||
| Weight | 0.320 kg | 
|---|---|
| Dimensions | 9 × 10 × 2.2 cm |