Overview
The RS428 is an industrial-grade rackmount Ethernet switch designed for power substations. It features 16 Giga copper ports, 8 Giga combo ports, and 4 Giga fiber ports, supporting up to 12 fiber connections for long-distance networking. Its rugged design and high EMC immunity make it suitable for harsh environments.

Management Features
The switch offers multiple configuration options, including CGI WebGUI, CLI, SNMP, and RMON. It supports IEEE 1588v1/v2 PTP for time management, LLDP for topology control, and USB for easy configuration and firmware updates.

Cyber Security
Enhanced security features include 802.1X/RADIUS port-based access control, port MAC secure learning, private VLAN/IP security, and secure management access via HTTPs/SSH.

Rugged Design
Compliant with IEC61850-3/IEEE1613 standards, the RS428 operates in temperatures ranging from -40°C to 75°C and offers high EMC protection. It meets IEC 61000-6-2/4 heavy industrial standards and EN50121-4 railway trackside EMC requirements.

High Throughput
The switch supports 28 full GbE ports, including 16 GbE RJ45, 8 GbE RJ45/SFP combo, and 4 GbE SFP fiber ports. It features a 16K MAC address table and 1.5Mbytes packet buffer for efficient data handling.

Technical Specifications
The RS428 adheres to various IEEE standards, including 802.3, 802.1AB, 802.1Q, and 802.1x. It supports store and forward technology with non-blocking switch fabric, 256 VLANs, and 8 priority queues per port.

Interface and Indicators
It includes 16 x 100/1000M RJ45 ports, 8 x 100/1000M RJ45/SFP combo ports, and 4 x 1000M SFP ports. System LEDs indicate power, system status, alarm, and ring status.

Power Requirements
The switch operates on AC110/220V or DC24V, with a wide voltage range for flexibility.

Environmental and Mechanical
With an IP40 ingress protection rating, the RS428 is housed in a steel metal enclosure, measuring 431 x 44 x 375 mm and weighing 4.5 kg. It has an MTBF of over 445,000 hours and a 5-year warranty.

Compliance and Standards
The switch complies with UL60950-1 safety standards, EN50121-4 railway standards, and IEC61850-3/IEEE1613 for power substations. It meets various EMC standards, including CISPR 22 and FCC part 15B Class A.

Package Contents
The package includes the RS428 unit, a power cord, a console cable, and a quick installation guide. Optional SFP modules are available for different distances and temperature ranges.