📘 MTL 8939-HN Fibre Optic Extender
🔎 Product Overview
The MTL 8939-HN is a high-performance fibre optic extender designed for industrial and process control applications, enabling reliable long-distance transmission of digital signals over optical fibre. Built for environments where electrical noise, ground loops, or hazardous conditions can affect signal integrity, the 8939-HN ensures safe, interference-free communication between remote instrumentation and control systems.
This extender supports high-speed data transmission, allowing seamless integration with MTL’s range of industrial automation modules, PLCs, and DCS systems. Its robust construction makes it suitable for operation in extreme temperature ranges and harsh environmental conditions.
⚙️ Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | 8939-HN |
| Manufacturer | MTL |
| Product Type | Fibre Optic Extender |
| Transmission Mode | Digital signal over single-mode/multi-mode fibre |
| Signal Type | TTL/RS-232/RS-485 compatible |
| Maximum Distance | Up to 10 km (single-mode fibre) |
| Data Rate | Up to 10 Mbps |
| Connector Type | ST/SC optional |
| Operating Temperature Range | -40°C to +70°C |
| Power Supply | 24 VDC nominal |
| Current Consumption | 150 mA typical |
| Dimensions (WxHxD) | 115 × 32 × 110 mm |
| Weight | 0.35 kg |
| Mounting Type | DIN rail or panel mount |
| Compliance | CE, RoHS, ATEX compliant |
🌐 Key Features
- Reliable Long-Distance Transmission: Enables signal extension up to 10 km over single-mode fibre, maintaining data integrity in electrically noisy environments.
- Versatile Signal Support: Compatible with TTL, RS-232, and RS-485 signals, allowing integration with a wide range of industrial devices.
- Robust Industrial Design: DIN rail or panel mount options, with operation in extreme temperatures.
- Safe and Interference-Free Communication: Optical isolation eliminates ground loops and protects equipment in hazardous zones.
- Compact Form Factor: Small footprint for flexible installation in control cabinets.
- Easy Integration: Compatible with MTL’s existing automation systems for seamless deployment.
🛠️ Installation and Maintenance
- Installation: Mount the unit on a DIN rail or panel as per the installation manual. Ensure proper fibre connection with the correct connector type.
- Power Wiring: Connect to 24 VDC supply, observing correct polarity.
- Fibre Connection: Ensure clean fibre ends to prevent signal loss or attenuation. Use single-mode or multi-mode fibre as per system design.
- Maintenance: Inspect connections regularly, clean fibre connectors, and check power supply stability. No internal maintenance is required due to sealed design.
- Troubleshooting: Use LED indicators to monitor link status and signal integrity.
🔗 Useful Resources
📑 Recommended Similar Products
| Model Number | Description | Application Field | Link |
|---|---|---|---|
| MTL 8937-HN | Fibre optic extender with similar range | Process control & industrial networks | View |
| MTL 8938-HN | High-speed fibre optic data link | PLC & DCS communication | View |
| MTL 8940-HN | Extended range single-mode fibre extender | Long-distance signal transmission | View |
| MTL 8941-HN | Hazardous zone compatible fibre optic link | Explosive or hazardous environments | View |
| MTL 8942-HN | Multi-channel fibre optic extender | Multi-signal industrial networks | View |
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