Tag: Layer
Ethernet Physical Layer
by Internet Archive Book Images Physical layers Xerox experimental Ethernet Name Description Xerox Ethernet The original, 3 Mbit/s Ethernet implementation, which had a frame format different from the production forms of Ethernet. Early implementations (10 Mbit/s and 1 Mbit/s) Name Standard Description 10BASE5 802.3 (8) 10 Mbit/s, Manchester coded signaling, copper RG-8X (expensive) coaxial cabling, […]
Resource International, Inc. Uses Non-Contact High-Speed Ground Penetrating Radar (GPR) To Measure Pavement Layer Thickness at The Network Level
Rii’s GPR vehicle Columbus, Ohio (PRWEB) July 01, 2015 During a recent project for the University of Wyoming, Resource International, Inc. (Rii) used Ground Penetrating Radar (GPR) to conduct pavement surveys rapidly, non-destructively, and with no traffic disruption or safety risks. Pavement thickness is needed for pavement management and […]