Specification for telex terminal apparatus for connection to public telecommunications operators' telex networks
€374.00
Connectors for access to the Integrated Services Digital Network (ISDN) Specification a Basic Access Interface connector and its contact assignments
€81.00
Private branch exchanges for connection to public switched telephone networks run by certain telecommunication operators Specification general requirements
€269.00
Apparatus using cordless attachments (excluding cellular radio apparatus) for connection to analogue interfaces of public switched telephone networks Specification general requirements
Apparatus for connection to private circuits run by certain public telecommunication operators Specification apparatus speechband
€355.00
Apparatus for connection to private circuits run by certain public telecommunication operators Specification apparatus baseband
IEEE Standard Telephone Loop Performance Characteristics
€138.00
Apparatus with one or more particular functions for connection to public switched telephone networks run by certain telecommunications operators Specification general requirements
€165.00
Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for duplex transmission in telephone type networks up to 300 bit per second
€34.30
Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) in telephone type networks up to 1200/600 bits per second
€41.78
Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) in telephone type networks at 2400 (1200) bits per second
Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) in telephone type networks at 4800 (2400) bits per second
€48.79
Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) in telephone type networks at 9600 (7200/4800) bits per second
Apparatus for connection to private circuits run by certain public telecommunication operators Specification apparatus direct current
Specification for general requirements for apparatus for connection to the British Telecommunications public switched telephone network
