The ECW-281B fanless industrial cyber security appliance is based on Intel® Atom dual core D525 or Atom N270 CPU and is equipped with DDR2/DDR3 SODIMM memory (1 GB). In terms of connectivity and expansion options, the appliance provides 2 x RJ45 GbE ports, 6 x RS232 COM ports, 4 x USB 2.0 ports, 1 x VGA output and 1 x PCIe mini card slot.


Key Features:

● Fanless system with
1.8 GHz Intel® Atom™ D525 dual-core CPU
1.6 GHz Intel® Atom™ N270 CPU
● Supports four USB 2.0 ports and six COM ports
● Dual GbE LAN ideal for high-speed network applications
● Supports CompactFlash®, 2.5” SATA HDD and SSD storage devices
● 12 V DC and 9 V DC – 36 V DC power input models available
● Supports dual VGA display (B2 model only)

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Additional information


Intel® Atom™ D525 dual-core 1.8GHz/1MB L2 cache(for ECW-281B-D252)
Intel® Atom™ N270 1.6 GHz with 533 MHz FSB(for ECW-281B-N270)


Intel® 945GSE + ICH7M(for ECW-281B-N270)
Intel® ICH8M(for ECW-281B-D252)


1 GB DDR2 200-pin SO-DIMM memory pre-installed(for ECW-281B-N270)
1 GB DDR3 204-pin SO-DIMM memory pre-installed(for ECW-281B-D252)

Disk Bay

1 x 2.5” SATA HDD space

I/O Ports

4 x USB 2.0
Audio: 1 x Speaker out
COM Port 6 x RS-232 ports for ECW-281B-D525 (COM2: Default RS-232, RS422/485 optional), 6 x RS-232 ports for ECW-281B-N270 (COM2: Default RS-232, RS422/485 optional)
Display: 1 x VGA
Ethernet: 2 x Realtek 8111E PCIe GbE
Resolution: VGA: Up to 2048 x 1536@60Hz(for ECW-281B-D525), VGA: Up to 1920 x 1200@60Hz(for ECW-281B-N270)

Expansion Slot

1 x PCIe Mini card slot

Power and Mechanical
System cooling


Physical and Environmental
Operating temperature

-10°C ~ 50°C with HDD
-10°C ~ 60°C with CompactFlash®/SSD(for ECW-281B-N270)
20°C ~ 65°C with CompactFlash®/SSD(for ECW-281B-D525)




229 x 132 x 64


2.1 kg/3.9 kg


Fanless embedded system with WAFER-PV-D5252, with dual-core Intel? Atom? D525 1.8G, with 6 serial ports, with 1 GB DDR3 memory, 12 V DC in, 60W power adapter with ErP and PSE certificates, black, RoHS


Fanless embedded system with Intel? Atom? N270 1.6GHz CPU,945GSE,built-in 1GB DDR2 memory,12VDC in,60W power adapter with ERP and PSE certificates, black, RoHS


Fanless embedded system with WAFER-PV-D5252, with dual-core Intel® Atom™ D525 1.8G, with 6 serial ports, with 1 GB DDR3 memory, 9 V-36 V DC in, w/o power adapter, black, RoHS, R11


Fanless embedded system with Intel® Atom™ N270 1.6GHz CPU,945GSE,built-in 1GB DDR2 memory,9-36VDC in,w/o power adapter,black,RoHS

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