Exchange technique - system technique; terms
€63.27
Exchange technique and traffic handling theory; terms
€34.30
BUSINESS TELECOMMUNICATIONS (BTC). 2 048 KBIT/S DIGITAL UNSTRUCTURED AND STRUCTURED LEASED LINES (D2048U AND D2048S). NETWORK INTERFACE PRESENTATION.
€74.00
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz. Part 7: Equipment impedance.
€69.00
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 Immunity requirements for mains communicating equipment operating of frequencies 95 and intended use by electricity suppliers distributors
€281.00
Specification for indicator lamps for use in telecommunication apparatus and for allied purposes
IEEE Standard Definitions of Terms for Communication Switching
€64.00
IEEE Recommended Practice for the Protection of Wire-Line Communication Facilities Serving Electric Supply Locations
€167.00
IEEE Standard for Functional Requirements for Methods and Equipment for Measuring the Performance of Tone Address Signal Systems
IEEE Standard Definitions of Switching System Performance in a Telecommunications Environment
€79.00
IEEE Standard Methods and Equipment for Measuring the Transmission Characteristics of Pulse-Code Modulation (PCM) Telecommunications Circuits and Systems
€258.00
IEEE Recommended Practice for Parameters to Characterize Digital Loop Performance
€51.00
Transmissions de signaux sur les réseaux électriques basse tension dans la bande de fréquence de 3kHz à 148,5 kHz - Partie 1 : règles générales, bande des fréquences et perturbations électromagnétiques
Specification for electric lamps for railway signalling
Apparatus for connection to private circuits run by certain public telecommunication operators Specification apparatus telegraph using SCVF signalling
