IEC 61156-6 Multicore and symmetrical pair/quad cables for digital communications - Part 6: Symmetrical pair/quad cables with transmission characteristics up to 1 000 MHz - Work area wiring - Sectional specificat*, 2020-04-03 Update
IEC 61375-1 Electronic railway equipment - Train communication network (TCN) - Part 1: General architecture
IEC 61375-2-1 Electronic railway equipment - Train communication network (TCN) - Part 2-1: Wire Train Bus (WTB)
IEC 61375-2-5 Electronic railway equipment - Train communication network (TCN) - Part 2-5: Ethernet train backbone*, 2014-08-01 Update