Sifos Technologies / Tony Wright 16th April 2012
"Another solution that Sifos released to the market in the fall is the PhyView Analyzer for automated Ethernet physical layer testing. There is an overlap with PoE for DC unbalance measurements, specifically to identify problems with transformers used in power sourcing equipment (PSE)"
Sifos Technologies / Tony Wright 5th April 2012
The PoE Powered Device LLDP Analyzer from Sifos Technologies is a low cost, dedicated platform for IEEE 802.3at Power Sourcing Equipment (PSE) LLDP emulation & analysis