Power cables with extruded insulation and their accessories for rated
voltages above 150 kV (Um
= 170 kV) up to 500 kV (Um
= 550 kV) - Test methods and requirements
Information technology - Telecommunications and information exchange
between systems - Local and metropolitan area networks - Specific
requirements - Part 1Q: Bridges and bridged networks - Amendment 4:
Frame preemption