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Dual Gigabit LAN
Two independent Gigabit LAN ports support dual-network redundancy, internal/external network isolation, and split PLC/IT network topologies.
I-FUNCTION · POWER · + · DUAL LAN
EPB-D2251
EPB-D2251
Power + Dual GbE LAN Expansion Board
Flagship of the EPB™ power board line: 2x Gigabit LAN, smart temperature-controlled fan and 9-36V wide-range input, purpose-built for dual-network redundancy and edge gateway deployments.
2x Gigabit LAN
Smart Fan
9-36V Wide Input
Phoenix Terminal
PRODUCT HIGHLIGHTS
EPB-D2251 Key Features
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Smart Fan Control
On-board temperature sensing with intelligent PWM fan speed control automatically starts and stops the fan by temperature, cutting noise and power draw.
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9-36V Wide Input
Industrial wide-range power input compatible with vehicle, battery, solar, and 24V/48V rail-transit power supplies.
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Phoenix Terminal
Industrial-grade Phoenix terminal wiring delivers a secure, vibration-resistant connection that meets the EN 50155 rail-transit standard.
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Power Protection
On-board overcurrent, overvoltage, and reverse-polarity protection guards the mainboard against field wiring errors.
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FlexCore™ Compatible
Standard FlexCore™ three-board interface enables seamless swapping across the EXB function expansion board series.
SPECIFICATIONS
Detailed Specifications
Complete EPB-D2251 technical specifications, organized by category for easy on-site selection and design integration.
Network Interfaces
- LAN
- 2x Gigabit Ethernet (independent MAC)
Power
- Power Connector
- Industrial Phoenix terminal
- Power Module
- 9~36V wide-range input
- Overvoltage Protection
- Supported
- Reverse-Polarity Protection
- Supported
Thermal
- Smart Thermal Control
- Temperature-adaptive PWM fan
Mechanical & Environment
- Mounting
- Through-hole mounting
- Operating Temperature
- -10°C ~ +60°C
- Storage Temperature
- -20°C ~ +70°C
COMPATIBILITY
Compatible Mainboards & Chassis Profiles
Compatible Mainboards
CES-1602CES-1901CES-1201
Compatible Chassis Profiles
L200L300
START A PROJECT
Need an EPB-D2251 sample or custom build?
Tell us your project mainboard platform, chassis profile, and interface requirements, and our engineers will reply within 24 hours with a complete solution and sample evaluation.