Comprehensive Product Summary – TRP-C39S Fiber to RS232/422/485 Isolated Extender (SC / 40 km)

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### 1. Product Overview

Product Name: TRP-C39S
Model: TRP-C39S
Series: TRP-C39 Industrial Fiber Converter Series
Article Number: TRP-C39S
Manufacturer: Trycom Technology Co., Ltd.
Manufacturer Address: No. 35, Zhongxing Rd., Guishan Township, Taoyuan County 333, Taiwan
Website: [www.trycom.com.tw](http://www.trycom.com.tw)
Contact: Tel: +886-3-350-3351 | Fax: +886-3-350-3352

Product Type: Fiber to RS232/422/485 isolated converter and extender
Transmission Medium: Single-mode fiber optic (SC connector)
Maximum Transmission Distance: Up to 40 km over single-mode fiber

The Trycom TRP-C39S is an industrial-grade fiber optic converter designed to extend serial communication signals (RS-232, RS-422, and RS-485) over long distances using fiber optic transmission. It provides galvanic isolation, surge protection, and automatic signal configuration, making it suitable for demanding industrial and automation environments where electrical noise, ground potential differences, and long-distance communication are critical concerns.

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### 2. Key Features

- Multi-Protocol Serial Support: Automatically detects and switches between RS-232, RS-422, and RS-485 interfaces without manual configuration.
- Long-Distance Fiber Transmission: Supports single-mode fiber communication up to 40 km using SC connectors and 9/125 µm fiber cable.
- High Electrical Isolation: Provides 3000 V DC isolation between serial and fiber interfaces, ensuring protection against ground loops and electrical surges.
- Surge Protection: Integrated surge protection on RS-422/485 data lines to safeguard connected equipment.
- Auto Configuration: Automatically detects data format, baud rate (300 bps to 115.2 kbps), and RS-485 data direction flow control.
- Wide Power Input Range: Operates from a DC power supply of +10 V to +30 V, suitable for industrial power systems.
- LED Indicators: Power, TX (Transmit), and RX (Receive) LEDs provide clear visual status of device operation and data activity.
- Industrial Mounting Options: Supports both DIN rail and panel mounting for flexible installation in control cabinets or equipment racks.
- Compact and Rugged Design: Metal enclosure with compact dimensions and robust construction for industrial reliability.
- Stable and Error-Free Transmission: Fiber optic communication eliminates electromagnetic interference (EMI) and ground potential differences, ensuring reliable data integrity.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Power Input Voltage | DC +10 V to +30 V |
| Power Consumption | 110 mA @ 12 V DC |
| Interface Type | RS-232 / RS-422 / RS-485 (auto switching) |
| RS-232 Interface | 3-wire full-duplex (TXD, RXD, GND) |
| RS-422 Interface | 4-wire differential full-duplex (TX+, TX-, RX+, RX-) |
| RS-485 Interface | 2-wire differential half-duplex (D+, D-) |
| Fiber Connector Type | SC single-mode |
| Fiber Cable Type | 9/125 µm single-mode fiber |
| Optical Wavelength | 1310 nm (FPLD) |
| Maximum Fiber Distance | Up to 40 km |
| Maximum RS-422/485 Distance | Up to 4000 ft (approximately 1200 m) |
| Baud Rate Range | 300 bps to 115.2 kbps (auto-detect) |
| Isolation Voltage | 3000 V DC |
| Surge Protection | Integrated on RS-422/485 lines |
| Connection Type | Screw terminal blocks (supports AWG #12–30 wires) |
| Power Connection | Screw terminal or external DC adapter (5.5 × 2.1 × 12 mm plug) |
| LED Indicators | Power, TX, RX |
| Operating Temperature | -10 °C to +50 °C |
| Storage Temperature | -20 °C to +70 °C |
| Humidity | 10–90% non-condensing |
| Enclosure Dimensions | 151 mm (L) × 75 mm (W) × 26 mm (H) |
| Weight | Approximately 388 g |
| Material | Metal housing (industrial-grade) |
| Mounting Options | DIN rail or panel mount |

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### 4. Functionality

The TRP-C39S functions as a bi-directional fiber optic converter that translates electrical serial signals (RS-232, RS-422, RS-485) into optical signals for transmission over single-mode fiber. This conversion allows serial communication to be extended up to 40 km while maintaining signal integrity and electrical isolation.

Operational Principle:
1. The device receives serial data from a connected RS-232/422/485 device.
2. It automatically detects the interface type and communication parameters (baud rate, data format, and direction).
3. The electrical signal is converted into an optical signal and transmitted through the SC single-mode fiber port.
4. At the remote end, another TRP-C39S (or compatible fiber converter) converts the optical signal back into the corresponding serial format.

Use Cases and Applications:
- Industrial automation and control systems
- Remote sensor and data acquisition networks
- SCADA (Supervisory Control and Data Acquisition) systems
- Building management and security systems
- Transportation and traffic control networks
- Power substations and utility monitoring
- Long-distance serial communication between PLCs, HMIs, and controllers

Compatibility:
- Compatible with standard RS-232, RS-422, and RS-485 serial devices.
- Works with Windows, Linux, Unix, and macOS operating systems when connected via serial ports.
- Interoperable with other Trycom fiber converters and serial communication devices.

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### 5. Components & Accessories

Included Items:
- TRP-C39S Fiber to RS232/422/485 Converter Unit
- Terminal block connectors for power and serial interfaces
- User manual and documentation
- Mounting brackets for DIN rail or panel installation

Optional Accessories:
- External DC power adapter (10–30 V DC output)
- Single-mode SC fiber optic cables (9/125 µm)
- DIN rail mounting kit (if not included)
- Trycom TRPCOM test utility software (available via Trycom website or support CD)

Connectors:
- Fiber Port: SC single-mode connector
- Serial Port: Screw terminal block for RS-232/422/485 signals
- Power Port: 2-pin terminal block or DC barrel jack (5.5 × 2.1 × 12 mm)

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### 6. Installation & Setup

Power Requirements:
- Input voltage range: +10 V to +30 V DC
- Power can be supplied via terminal block or external DC adapter.
- When power is applied correctly, the Power LED illuminates to indicate system readiness.

Mounting Options:
- DIN Rail Mounting: Attach the converter to a standard 35 mm DIN rail using the integrated clip or optional bracket.
- Panel Mounting: Secure the unit to a flat surface using screws through the mounting holes provided.

Configuration:
- The TRP-C39S requires no manual configuration for interface type or baud rate.
- Auto-detection automatically selects RS-232, RS-422, or RS-485 mode based on connected wiring.
- Auto baud rate detection supports speeds from 300 bps to 115.2 kbps.
- RS-485 direction flow control is managed automatically by the device.

Wiring Guidelines:
- Use twisted-pair shielded cables for RS-422/485 connections to minimize noise.
- Ensure proper polarity for differential pairs (TX+/TX-, RX+/RX-).
- For RS-232, connect TXD, RXD, and GND lines.
- Fiber connections must use SC single-mode connectors with 9/125 µm fiber.

Testing and Verification:
- Trycom provides the TRPCOM.EXE utility for communication testing and loopback verification.
- Users can perform RS-422 loopback or RS-485 communication tests using the software to confirm proper operation.

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### 7. Performance & Capabilities

Transmission Distance:
- Up to 40 km over single-mode fiber (SC connector, 1310 nm wavelength).
- Up to 1200 m (4000 ft) over RS-422/485 copper lines.

Data Rate:
- Supports baud rates from 300 bps to 115.2 kbps with automatic detection.

Signal Integrity:
- Optical transmission eliminates EMI and RFI interference.
- 3000 V DC isolation prevents ground loop interference and protects connected devices.
- Surge protection ensures reliable operation in electrically noisy environments.

Efficiency and Reliability:
- Low power consumption (approx. 1.3 W typical).
- Continuous operation in industrial temperature ranges (-10 °C to +50 °C).
- Stable performance under high humidity (up to 90% non-condensing).

Limitations:
- Designed for single-mode fiber only (not compatible with multi-mode fiber).
- Maximum baud rate limited to 115.2 kbps.
- Requires paired converter at the remote end for full communication link.

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### 8. Standards & Compliance

Electrical and Safety Standards:
- 3000 V DC isolation compliance for industrial-grade protection.
- Surge protection compliant with industrial transient standards.

Environmental Compliance:
- Operating temperature: -10 °C to +50 °C
- Storage temperature: -20 °C to +70 °C
- Humidity tolerance: 10–90% non-condensing

Industry Standards:
- RS-232 (EIA/TIA-232)
- RS-422 (EIA/TIA-422)
- RS-485 (EIA/TIA-485)
- Fiber optic transmission standards for single-mode SC connectors (9/125 µm, 1310 nm wavelength)

Mounting and Enclosure Standards:
- DIN rail compatibility (EN 50022 standard)
- Industrial-grade metal housing for EMI shielding and mechanical durability

Regulatory Compliance:
- Designed and manufactured in accordance with international industrial communication standards.
- CE and FCC compliance (typical for Trycom industrial communication devices).

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### 9. Additional Information

Warranty:
- Standard manufacturer’s warranty (typically 1 year, depending on region and distributor).
- Covers defects in materials and workmanship under normal operating conditions.

Technical Support:
- Trycom provides technical documentation, user manuals, and software utilities.
- Support available via email, phone, and online resources at [www.trycom.com.tw](http://www.trycom.com.tw).

Maintenance:
- No periodic maintenance required beyond ensuring clean fiber connectors and secure wiring.
- Avoid exposure to excessive dust, moisture, or vibration.
- Inspect terminal connections periodically for tightness and corrosion.

Firmware and Software Updates:
- Device operates as a hardware converter; no firmware updates typically required.
- TRPCOM.EXE utility software available for testing and diagnostics.

Product Lifecycle and Compatibility:
- Part of Trycom’s TRP-C series of industrial converters, ensuring long-term availability and compatibility with other Trycom communication products.
- Backward compatible with TRP-C39 (multi-mode version) for mixed network environments.

Manufacturer’s Note:
- Specifications are subject to change without notice to improve reliability and performance.
- Product information provided for identification and technical reference purposes.

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### Summary

The Trycom TRP-C39S Fiber to RS232/422/485 Isolated Converter is a robust, industrial-grade communication device engineered for long-distance serial data transmission over single-mode fiber. With automatic interface detection, 3000 V DC isolation, surge protection, and support for up to 40 km fiber links, it ensures reliable, noise-free communication in harsh industrial environments. Its flexible power input, compact metal housing, and DIN rail/panel mounting options make it ideal for integration into automation systems, SCADA networks, and remote monitoring applications.

By combining advanced optical transmission technology with automatic configuration and industrial durability, the TRP-C39S delivers a dependable solution for extending serial communication beyond the limitations of copper cabling—ensuring stable, interference-free data exchange across vast distances.