1. Introduction
The Moxa EDS-208A is an 8-port unmanaged Ethernet switch designed for industrial applications. It provides a reliable and cost-effective solution for extending your industrial Ethernet network. This manual provides essential information for the proper installation, operation, and maintenance of your EDS-208A switch.
Key Features:
- 8 x 10/100BaseT(X) RJ45 Ethernet ports
- Redundant dual 12/24/48 VDC, 18 to 30 VAC power inputs
- IP30 aluminum housing for robust protection
- Rugged hardware design suitable for hazardous locations (Class 1 Div. 2/ATEX Zone 2)
- Certified for transportation (NEMA TS2/ EN 50121-4/e-Mark) and maritime environments (DNV/GL/LR/ABS/NK)
2. Setup
2.1 Package Contents:
Before installation, ensure the package contains the following items:
- Moxa EDS-208A Ethernet Switch
- Quick Installation Guide
- Warranty Card
If any of these items are missing or damaged, please contact your sales representative for assistance.
2.2 Physical Installation:
The EDS-208A is designed for DIN-rail mounting. Follow these steps for secure installation:
- Attach the DIN-rail mounting kit to the rear panel of the EDS-208A.
- Hook the top of the DIN-rail clip over the top edge of the DIN-rail.
- Press the switch firmly against the DIN-rail until the clip snaps into place.
- Ensure the switch is securely fastened to prevent accidental dislodgement.
2.3 Power Connection:
The EDS-208A supports redundant dual power inputs for enhanced reliability. Connect power as follows:
- Locate the terminal block on the top of the switch.
- Connect your 12/24/48 VDC or 18 to 30 VAC power sources to the appropriate terminals. Refer to the markings on the terminal block for correct polarity and voltage.
- Ensure all power connections are secure to prevent intermittent operation.
2.4 Network Connection:
Connect your network devices to the EDS-208A using standard RJ45 Ethernet cables.
- Plug one end of an Ethernet cable into an available RJ45 port on the EDS-208A.
- Plug the other end of the cable into your network device (e.g., PC, server, PLC).
- The EDS-208A automatically detects the speed and duplex mode of the connected device.
3. Operation
3.1 Unmanaged Switch Functionality:
The EDS-208A is an unmanaged switch, meaning it operates as a plug-and-play device without requiring any configuration. It automatically learns MAC addresses and forwards frames based on destination MAC addresses, providing seamless network connectivity.
3.2 LED Indicators:
The EDS-208A features LED indicators on the front panel to provide status information:
| LED Indicator | Status | Description |
|---|---|---|
| PWR1 / PWR2 | On | Power input 1 / Power input 2 is active. |
| PWR1 / PWR2 | Off | Power input 1 / Power input 2 is not active. |
| P1-P8 (Link/Act) | On | Port has a valid network link. |
| P1-P8 (Link/Act) | Flashing | Port is actively transmitting or receiving data. |
| P1-P8 (Link/Act) | Off | No network link detected on the port. |
4. Maintenance
4.1 Cleaning:
To ensure optimal performance and longevity of your EDS-208A, follow these cleaning guidelines:
- Disconnect power before cleaning.
- Use a soft, dry cloth to wipe the exterior of the switch.
- Do not use liquid or aerosol cleaners, as they may damage the device.
- Ensure ventilation openings are free from dust and debris.
4.2 Environmental Considerations:
The EDS-208A is designed for industrial environments. To maintain its performance, ensure it operates within the specified temperature and humidity ranges:
- Operating Temperature: -10 to 60°C (14 to 140°F)
- Storage Temperature: -40 to 85°C (-40 to 185°F)
- Relative Humidity: 5 to 95% (non-condensing)
5. Troubleshooting
This section provides solutions to common issues you might encounter with your EDS-208A switch.
- No Power:
Check if the power cables are securely connected to the terminal block and the power source. Verify that the power source is supplying the correct voltage (12/24/48 VDC or 18-30 VAC). Check the PWR1/PWR2 LEDs. - No Link on Port:
Ensure the Ethernet cable is properly connected to both the switch port and the network device. Verify that the connected device is powered on and functioning correctly. Try a different Ethernet cable or port. Check the Link/Act LED for the specific port. - Slow Network Performance:
Ensure all connected devices are operating at their optimal speed. Check for excessive network traffic or faulty cables. While the EDS-208A is unmanaged, network congestion can still impact performance. - Intermittent Connectivity:
Check all cable connections for looseness. Ensure the power supply is stable and within the specified voltage range. Verify that the operating environment is within the specified temperature and humidity limits.
6. Technical Specifications
| Specification | Detail |
|---|---|
| Model | EDS-208A |
| Brand | Moxa |
| Number of Ports | 8 |
| Interface Type | RJ45 |
| Voltage Input | 12/24/48 VDC, 18 to 30 VAC |
| Upper Temperature Rating | 60°C (140°F) |
| Case Material | Aluminum (IP30 rated) |
| Item Weight | 13.6 ounces (0.39 Kilograms) |
| Package Dimensions | 8.3 x 6 x 3 inches |
| Date First Available | January 12, 2018 |
| UPC | 613739924587 |
7. Warranty and Technical Support
Moxa products are designed for reliability and performance. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Moxa website. In most regions, Moxa provides a standard warranty period for its industrial networking products.
For technical assistance, product inquiries, or troubleshooting beyond the scope of this manual, please contact Moxa's technical support team. Contact information can typically be found on the Moxa official website or through your local distributor.
When contacting support, please have your product model (EDS-208A) and serial number ready to expedite assistance.
