Product Overview
The Extreme I3H252-8TX-2FX is an industrial-grade Ethernet switch designed for demanding environments, providing robust and reliable networking solutions. As part of Extreme Networks’ I-Series, this switch is ideal for applications in manufacturing plants, oil and gas facilities, and transportation networks. It features 8 ports of 10/100BASE-TX Ethernet and 2 Gigabit Ethernet SFP uplink ports, offering scalable connectivity options for various network devices.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | Extreme I3H252-8TX-2FX |
| Manufacturer | Extreme Networks |
| Product Type | Industrial Ethernet Switch |
| Ports | 8 x 10/100BASE-TX |
| VLAN Support | Up to 1024 VLANs |
| Address Table Size | 8000 MAC Addresses |
| Link Aggregation | 8 ports per trunk group, 6 groups supported |
| Main Memory | 256 MB |
| Flash Memory | 32 MB |
| Dimensions (H x W x D) | 8.89 cm x 33.86 cm x 18.41 cm (3.5” x 13.33” x 7.25”) |
| Weight | 4.54 kg (10.00 lbs) |
| Operating Temperature | -40°C to 60°C (-40°F to 140°F) |
| Storage Temperature | -40°C to 70°C (-40°F to 158°F) |
| Humidity | 95% Relative Humidity Non-Condensing |
| Power Consumption | 24V DC power supply required |
| Agency & Standards | UL 60950-1, EN 60950-1, FCC Part 15 Class A, EN 55022 Class A, etc. |

Key Features and Benefits
The Extreme I3H252-8TX-2FX offers several key features that make it a standout choice for industrial networking:
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Industrial-Grade Reliability: Designed to operate in harsh environments with extreme temperatures and hazardous conditions, providing years of uninterrupted service.
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Advanced Security: Features such as Dynamic ARP Inspection, DHCP Snooping, and IEEE 802.1X Port Authentication ensure a secure network infrastructure.
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Fully Managed Solution: SNMP-managed with support for Extreme Networks Network Management Suite (NMS), allowing for centralized control and monitoring.
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Flexible Installation: DIN-mountable and rack-mountable, with optional memory configuration cards for easy field replacement.
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High Availability: Supports redundant power supplies and Link Aggregation Groups (LAGs) for scalable, redundant uplinks.
Application Scenarios
The Extreme I3H252-8TX-2FX is well-suited for a variety of industrial applications:
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Manufacturing Plants: Provides reliable connectivity for PLCs, workstations, and other industrial devices, ensuring smooth operations on the factory floor.
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Oil and Gas Facilities: Supports critical infrastructure in harsh environments, with wide temperature tolerance and ruggedized design.
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Transportation Networks: Enables secure and efficient communication for traffic control systems, surveillance cameras, and other IoT devices.
Related Models
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Extreme I3H252-12TX – A 12-port variant with similar features, offering additional Ethernet ports for larger networks.
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Extreme I3H252-24TX – A 24-port model for high-density environments, providing even more connectivity options.
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Extreme I3H252-4FXM – A variant with 4 SFP ports, ideal for fiber-optic connections in long-distance or high-speed applications.
Installation and Maintenance
When installing the Extreme I3H252-8TX-2FX, ensure the location meets the specified temperature and humidity requirements. The switch can be mounted on a DIN rail or in a standard 19-inch rack. Regular maintenance should include checking the status LEDs, ensuring the power supply is stable, and verifying that the fans are operating correctly. Firmware updates should be applied periodically to take advantage of new features and security enhancements.
Product Warranty
The Extreme I3H252-8TX-2FX is backed by a comprehensive warranty and support package. This includes a 5-year warranty, providing customers with confidence in the product’s durability and performance. For further assistance, Extreme Networks offers technical support services to ensure that customers can resolve any issues quickly and efficiently.


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