Below is a high‑detail, comprehensive product summary for the SUNIX FTD‑6011 RS‑485 to Fiber SC/ST Media Converter, structured exactly as requested.
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1. Product Overview
The SUNIX FTD‑6011 is an industrial‑grade RS‑485 to Fiber media converter designed for long‑distance serial communication extension and enhanced immunity in harsh operational environments. It belongs to the FTD‑6011 Series within SUNIX’s Industrial Media Converter portfolio. The device is listed under article number FTD‑6011 and is manufactured by SUNIX, a supplier specializing in industrial networking, control, and communication solutions. The converter supports fiber interfaces using SC or ST connectors and provides robust signal integrity for RS‑485 communication links, extending operational distances up to 80 km depending on the fiber type.

2. Key Features
• Converts RS‑485 serial communication to fiber optic transmission
• Compatible with standard industrial multi‑mode (2 km) and single‑mode (30 km or up to 80 km extended) fiber
• Auto baud rate detection supporting speeds up to 460.8 kbps for RS‑485 communication
• Automatic RTS Direction Control via SUNIX AHDC/CS technology for 2‑wire RS‑485
• Embedded 15 kV ESD protection and 600 W surge protection for improved durability
• 2.5 kV optical isolation safeguarding connected systems from ground loops and electrical noise
• Redundant power input system supporting 12–48 V DC with reverse polarity protection
• Rugged, shock‑proof alloy/ABS casing with IP30 protection level
• Designed for extreme environments: operational temperature −20°C to 75°C
• DIN rail and wall‑mount compatibility for flexible installation
• Low power consumption below 2.4 W (approx. 200 mA @ 12 V)

3. Technical Specifications
• Model: FTD‑6011
• Series: FTD‑6011 Series
• Interface: RS‑485 serial to fiber optic SC/ST
• Baud Rate Range: Auto‑detect from low speeds up to 460.8 kbps
• Electrical Isolation: 2.5 kV optical isolation
• ESD Protection: 15 kV embedded ESD protection
• Surge Protection: 600 W power surge protection
• Power Input: 12–48 V DC, dual inputs with reverse polarity protection
• Power Consumption: < 2.4 W (approx. 200 mA @ 12 V)
• Operating Temperature: −20°C to 75°C
• Storage Temperature: −40°C to 85°C
• Humidity: 5%–95% RH
• Dimensions: 30 × 68.5 × 105 mm (W × D × H)
• Casing: Alloy and ABS, IP30 rated
• Mounting Options: DIN rail and wall mount kits included
• Fiber Types Supported: SC or ST depending on configuration
• Multi‑mode Fiber Distance: Standard 2 km (50/125 µm)
• Single‑mode Fiber Distance: Standard 30 km (9/125 µm), up to 80 km extended
• Serial Interface Supported: RS‑485 2‑wire or 4‑wire
• RS‑485 Signals: Data+, Data−, GND; or TxD+, TxD−, RxD+, RxD−
• Packet Length Support: 64–1522 bytes
• Weight: Industrial‑grade compact unit (specific weight not provided)

4. Functionality
The FTD‑6011 functions by converting RS‑485 differential electrical signaling into fiber‑optic signals, enabling long‑distance, noise‑immune communication. It automatically detects RS‑485 2‑wire configurations and manages signal direction through SUNIX AHDC/CS technology, optimizing half‑duplex performance. Auto baud rate detection eliminates manual configuration steps, making it suitable for dynamic environments where serial device speeds may vary. Typical applications include industrial automation, remote monitoring, SCADA systems, building automation, and any installation where electrical noise, lightning exposure, or long‑distance connectivity poses challenges. Fiber transmission enables communication distances of up to 80 km, providing high immunity against EMI, RFI, ground potential differences, and lightning surges. The converter is compatible with standard fiber networks using SC or ST connectors and supports seamless integration into industrial serial networks requiring robust, long‑range communication.

5. Components & Accessories
Included components:
• FTD‑6011 RS‑485 to Fiber Media Converter
• DIN rail mounting kit
• Wall‑mount kit
• Terminal block connectors for power and serial wiring
• SC/ST fiber interface port (depending on version)
Optional components and accessories:
• Alternative fiber connector types (ST or SC depending on request)
• External power supplies supporting 12–48 V DC
• Fiber patch cables (single‑mode or multi‑mode)
• Lightning arrestors or additional surge protection systems (installation‑dependent)
• Integration accessories for enclosure mounting in control cabinets

Connectors:
• 3‑pin removable terminal block for RS‑485 and power input
• DC power jack input
• Fiber optic SC or ST port for data transmission

6. Installation & Setup
Installation involves mounting the converter via DIN rail or wall mounts and connecting the RS‑485 wiring through the removable terminal block. Power can be applied using either the terminal block or the DC jack, with redundancy supported between both inputs. Fiber connectors (SC or ST) are attached directly to the fiber port. Auto baud rate detection eliminates configuration requirements, and AHDC/CS technology manages RS‑485 signaling direction automatically, reducing setup complexity. Installation considerations include ensuring an IP30 indoor environment, proper strain relief, and secure power connections. The device supports harsh‑environment deployment, though an enclosure is recommended for extreme outdoor applications. DIP switch configuration may be needed for selecting between RS‑422/485 in related models, but FTD‑6011 is optimized for RS‑485 specifically.

7. Performance & Capabilities
The FTD‑6011 offers stable and efficient serial‑to‑fiber communication with auto baud rates up to 460.8 kbps, supporting industrial control traffic and SCADA communications. Fiber transmission extends link distances dramatically—standard up to 30 km on single‑mode fiber and up to 80 km in extended configurations—while providing immunity to EMI, RFI, ground loops, and high‑voltage disturbances. Surge protection of 600 W and ESD protection of 15 kV ensure reliability in electrically noisy environments. The low power consumption (<2.4 W) supports energy‑efficient operation. Packet lengths from 64 to 1522 bytes ensure compatibility with a variety of industrial communication protocols. Limitations include requirement for fiber infrastructure and no integrated Ethernet support, as the device is strictly for serial RS‑485 applications.

8. Standards & Compliance
The FTD‑6011 meets a broad set of industrial and regulatory standards including:
• EMC Compliance: FCC Part 15, CISPR (EN55022) Class A, CE
• Safety Certifications: UL60950 and CAN/CSA‑C22.2 No. 60950
• Shock and Vibration Resistance: IEC60068‑2‑27, IEC60068‑2‑32, IEC60068‑2‑6
• Environmental Ratings: IP30 enclosure protection
• ESD and Surge Standards: Embedded 15 kV ESD protection and high‑power surge tolerance
These certifications validate its suitability for industrial automation, transportation systems, utilities, manufacturing plants, and high‑reliability computing environments.

9. Additional Information
The product includes a 5‑year warranty covering manufacturing defects and operational reliability. SUNIX offers technical support, documentation, and consultation for fiber selection, installation, and system integration. Maintenance is minimal due to solid‑state components, though periodic inspection of fiber connectors, power connections, and mounting stability is recommended. Firmware or configuration updates are generally not required because the unit operates through hardware‑level auto‑detection and signal management. The FTD‑6011 is part of SUNIX’s comprehensive industrial networking product portfolio, ensuring compatibility and consistent performance across multi‑converter installations.

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