1. Product Overview
The Allied Telesis AT-IE340-12GP-80 is an industrial-grade Layer 3 Ethernet switch designed for robust network expansion in demanding environments. It features 8 Power over Ethernet Plus (PoE+) ports, enabling both data and power transmission over a single Ethernet cable to compatible devices. This manageable switch supports Layer 3 functionalities, offering advanced routing capabilities. Its modular design and multiple SFP slots provide flexibility for various network configurations, including fiber optic connections.

Figure 1: Front view of the Allied Telesis AT-IE340-12GP-80 Industrial PoE+ Ethernet Layer 3 Switch, showing its ports, indicators, and rugged casing.
2. Setup and Installation
2.1 Unpacking and Inspection
Carefully unpack the switch and inspect it for any signs of damage. Ensure all components are present according to the packing list.
2.2 Mounting Options
The AT-IE340-12GP-80 is designed for flexible installation and can be mounted using the following methods:
- DIN Rail Mounting: Securely attach the switch to a standard DIN rail in an industrial enclosure.
- Wall Mounting: Utilize the integrated mounting points to affix the switch directly to a wall or flat surface.
2.3 Power Connection
Connect the switch to a stable 48 Volts (DC) power source. Ensure the power supply meets the switch's requirements for reliable operation and PoE output.
2.4 Network Connections
Connect network devices to the switch's ports:
- PoE+ Ports: Use standard Ethernet cables to connect PoE-compatible devices such as IP cameras, wireless access points, or VoIP phones. These ports provide both data and power.
- SFP Slots: Insert compatible SFP (Small Form-Factor Pluggable) transceivers into the SFP slots for fiber optic connections, extending network reach over longer distances.
- Console Port: Use the console port for initial configuration and management via a serial connection.
3. Operating the Switch
3.1 Powering On
Once the power supply is connected, the switch will automatically power on. Observe the LED indicators on the front panel for status updates.
3.2 LED Indicators
The front panel features several LED indicators to provide operational status:
- STATUS: Indicates the overall operational status of the switch.
- PWR1 / PWR2: Indicate the status of the primary and secondary power inputs.
- FAULT: Illuminates to indicate a system fault or error.
- Port LEDs: Individual LEDs for each Ethernet and SFP port indicate link status and activity.
3.3 Network Management
The AT-IE340-12GP-80 is a manageable switch, allowing for configuration and monitoring through various interfaces:
- Web-based GUI: Access the switch's graphical user interface via a web browser for intuitive configuration.
- Command Line Interface (CLI): Use the console port or Telnet/SSH for advanced configuration and scripting.
- SNMP: Integrate the switch into network management systems using SNMP for centralized monitoring.
3.4 Data Transfer and PoE
The switch supports a data transfer rate of up to 24 Gigabits Per Second. The 240 W PoE budget allows for powering multiple PoE+ devices simultaneously, distributing power efficiently across the 8 PoE+ ports.
4. Maintenance
4.1 General Care
To ensure optimal performance and longevity of your switch:
- Keep the device in a clean, dust-free environment.
- Ensure proper ventilation to prevent overheating. The switch is designed to operate up to 60 degrees Celsius.
- Avoid exposing the switch to excessive moisture or extreme temperatures outside its specified operating range.
4.2 Firmware Updates
Periodically check the Allied Telesis support website for the latest firmware updates. Keeping the firmware up-to-date ensures access to new features, performance improvements, and security patches.
5. Troubleshooting
5.1 Power Issues
- No Power: Verify the power cable connection and the power source. Check the PWR1/PWR2 LEDs.
- FAULT LED On: This indicates a system fault. Refer to the detailed diagnostic logs via the management interface or consult the Allied Telesis support documentation.
5.2 Network Connectivity Problems
- No Link/Activity: Check the Ethernet cables and ensure they are securely connected to both the switch and the connected device. Verify the status of the port LEDs.
- PoE Device Not Powering On: Ensure the connected device is PoE compatible. Check the PoE budget utilization and individual port PoE status via the management interface.
5.3 Resetting the Switch
The switch features a reset button. A brief press typically reboots the device, while a prolonged press (e.g., 10 seconds) may restore factory default settings. Refer to the specific product documentation for exact reset procedures to avoid unintended data loss.
6. Specifications
| Feature | Description |
|---|---|
| Model Number | AT-IE340-12GP-80 |
| Brand | Allied Telesis |
| Number of Ports | 8 (PoE+) + 4 SFP Slots |
| Switch Type | Manageable Layer 3 Ethernet Switch |
| Interface Type | PoE, SFP |
| Data Transfer Rate | 24 Gigabits Per Second |
| PoE Budget | 240 W |
| Power Consumption | 271 W |
| Voltage | 48 Volts (DC) |
| Case Material | Metal |
| Upper Temperature Rating | 60 Degrees Celsius |
| Mounting Options | DIN Rail Mountable, Wall Mountable |
| Product Dimensions | 7.87 x 5.91 x 5.91 inches |
| Item Weight | 6.16 pounds (2.8 Kilograms) |
| UPC | 767035218977 |
| Manufacturer | Allied Telesis |
7. Warranty and Support
For detailed information regarding product warranty, technical support, and service agreements, please refer to the official Allied Telesis website or contact your authorized reseller. Specific warranty terms may vary by region and purchase agreement.
Online resources, including FAQs, knowledge bases, and driver downloads, are typically available on the manufacturer's support portal.

