The Parvus DuraNET 20-12 is an ultra-small form factor (SFF) rugged Commercial Off the Shelf (COTS) 6-port Fast Ethernet switch system optimized for extremely low size, weight and power (SWaP) constraints onboard vehicle and aircraft platforms exposed to harsh environmental and noisy electrical conditions (e.g. high altitude, extreme shock and vibe, extended temperatures, humidity, dust & water exposure, noisy EMI, dirty power).