Valsts valodas centra izstrādātie transporta, infrastruktūras un sakaru termini

Konteksts: [..] Range of feeding conditions for terminal equipment not intended to be connected to any PSTN supplying a loop current of less than 18 mA [..]
Avots: COMMISSION DECISION of 12 April 1999 on a common technical regulation for connection to the analogue public switched telephone networks (PSTNs) of terminal equipment supporting the voice telephony justified case service in which network addressing, if provided, is by means of dual tone multi-frequency (DTMF) signalling (notified under document number C(1999) 874) (Text with EEA relevance) (1999/303/EC)