PHOENIX CONTACT USA 1085039
PHOENIX CONTACT FL 1005N Industrial Ethernet Switch User Manual
Model: 1085039
1. Introduction
This user manual provides essential information for the installation, operation, and maintenance of the PHOENIX CONTACT FL 1005N Industrial Ethernet Switch (Model: 1085039). This unmanaged 5-port Ethernet switch is designed for industrial applications, offering reliable data transmission in demanding environments. Please read this manual thoroughly before using the device to ensure proper functionality and safety.
2. Safety Information
Always observe the following safety precautions to prevent injury or damage to the device:
- Ensure the power supply voltage matches the device's specifications (24 VDC).
- Do not open the device housing. There are no user-serviceable parts inside.
- Protect the device from moisture, extreme temperatures, and direct sunlight.
- Installation and maintenance should only be performed by qualified personnel.
- Disconnect power before performing any installation or maintenance procedures.
- Ensure proper grounding to prevent electrical hazards.
3. Product Overview
The PHOENIX CONTACT FL 1005N is an unmanaged industrial Ethernet switch featuring 5 RJ45 ports for 10/100 Mbps data transmission. Its robust polycarbonate fiber-reinforced housing is designed for industrial environments.

Figure 3.1: Front-right view of the PHOENIX CONTACT FL 1005N Industrial Ethernet Switch. The image displays the grey polycarbonate housing, five RJ45 Ethernet ports on the front panel, and corresponding Link/Activity (LNK/ACT) LEDs for each port, numbered 1 through 5. Below the port LEDs, there is a power status LED labeled "Us". The side of the switch shows the "FL SWITCH 1000" branding and a product label with "PHOENIX CONTACT" logo, model "FL SWITCH 1005N", and various certifications and warnings.
Key Features:
- 5 Ports: Provides ample connectivity for multiple devices.
- 10/100 Mbps Transmission Speed: Supports standard Fast Ethernet speeds.
- 24 VDC Supply Voltage: Standard industrial power input.
- Polycarbonate Fiber Reinforced Housing: Durable and suitable for harsh industrial environments.
- Operating Temperature Range: 14°F to 140°F (-10°C to 60°C), ensuring reliable operation in varied conditions.
- Unmanaged Switch: Plug-and-play operation with no configuration required.
4. Setup
Follow these steps for initial setup:
- Mounting: Securely mount the switch on a DIN rail or suitable surface in a well-ventilated area, away from direct heat sources or excessive vibration.
- Power Connection: Connect a 24 VDC power supply to the designated power input terminals on the switch. Ensure correct polarity.
- Network Connections: Connect your Ethernet devices (e.g., PCs, PLCs, sensors) to the RJ45 ports using standard Ethernet cables (Cat5e or higher).
- Power On: Apply power to the switch. The "Us" LED should illuminate, indicating power is supplied.
- Verify Connectivity: The LNK/ACT LEDs for connected ports will illuminate when a valid link is established and flash to indicate data activity.
5. Operating
The PHOENIX CONTACT FL 1005N is an unmanaged switch, meaning it operates without requiring any user configuration. Once powered on and connected, it automatically facilitates communication between connected devices.
- Data Transmission: The switch automatically learns MAC addresses and forwards data frames to the correct destination port.
- Auto-Negotiation: Each port automatically detects the speed (10 Mbps or 100 Mbps) and duplex mode (half or full) of the connected device.
- Auto MDI/MDI-X: The ports automatically detect and adjust for straight-through or crossover Ethernet cables.
Monitor the LNK/ACT LEDs to confirm network link status and data flow.
6. Maintenance
The FL 1005N switch requires minimal maintenance. Adhere to the following guidelines:
- Cleaning: Periodically clean the exterior of the switch with a soft, dry cloth. Do not use liquid or aerosol cleaners.
- Ventilation: Ensure that the ventilation slots are not obstructed to prevent overheating.
- Cable Management: Keep network cables organized and free from kinks or excessive tension to prevent damage and ensure reliable connections.
- Environmental Conditions: Operate the switch within the specified temperature and humidity ranges.
7. Troubleshooting
If you encounter issues with your FL 1005N switch, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power (Us LED off) | No power supply, incorrect voltage, or faulty connection. | Check power cable, power supply unit, and ensure 24 VDC is applied correctly. |
| No link (LNK/ACT LED off) | Cable not connected, faulty cable, or connected device is off/faulty. | Ensure cable is securely connected at both ends. Try a different cable. Verify the connected device is powered on and functioning. |
| Slow network performance | Network congestion, faulty cable, or device issues. | Check for excessive network traffic. Replace suspect cables. Verify connected devices are operating optimally. |
| Intermittent connectivity | Loose cable connection, environmental interference, or faulty port. | Reseat cables. Ensure the switch is not near strong electromagnetic interference sources. Try a different port. |
If the problem persists after attempting these solutions, contact PHOENIX CONTACT technical support.
8. Specifications
| Attribute | Value |
|---|---|
| Model Number | 1085039 |
| Number of Ports | 5 |
| Switch Type | Unmanaged |
| Data Transfer Rate | 10/100 Mbps |
| Interface Type | RJ45 |
| Supply Voltage | 24 VDC |
| Housing Material | Polycarbonate Fiber Reinforced (Plastic) |
| Operating Temperature Range | 14°F - 140°F (-10°C - 60°C) |
| Item Weight | 14.8 ounces (420 Grams) |
| Manufacturer | PHOENIX CONTACT |
| Compatible Devices | Desktop, Laptop, Printer |
| ASIN | B09HFD8548 |
| UPC | 710594825551 |
9. Warranty and Support
For information regarding product warranty, technical support, or service, please refer to the official PHOENIX CONTACT website or contact their customer service directly. Keep your purchase receipt as proof of purchase for warranty claims.
PHOENIX CONTACT USA: www.phoenixcontact.com/en-us
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