Information technology. Functional standard for profiles T/C31 and T/D31. Analogue telephone circuit. Leased (permanent) service (COTS + CONS)
€269.00
Information technology. Functional standard for profiles T/C32 and T/D32. Analogue telephone circuit. Dial-up (PSTN) (COTS + CONS)
Information technology. Open systems interconnection. Structure of management information Management model
€316.00
Information technology. Telecommunications and information exchange between systems. X.25-DTE conformance testing General principles
€404.00
Apparatus using cordless attachments (excluding cellular radio apparatus) for connection to analogue interfaces of public switched telephone networks Specification the elements within PBX apparatus with PSTN and terminating stations treated as an entirety
€193.00
Method for the specification of basic and supplementary services of private telecommunication networks
€355.00
Scenarios for interconnections between exchanges of private telecommunication networks
Apparatus for connection to public telecommunications systems using the Digital Access Signalling System No. 2 (DASS 2) via a 2048 kbit/s CCITT Recommendation G.703 interface General requirements
Apparatus for connection to public telecommunications systems using the Digital Access Signalling System No. 2 (DASS 2) via a 2048 kbit/s CCITT Recommendation G.703 interface Specification automatic-repeat call attempt facilities
€165.00
Specification for safety requirements for apparatus for connection to British Telecommunications networks
Code of practice for installation of private branch exchanges for connection to the British Telecommunications public switched telephone network
Code of practice for the selection and accommodation of telephone, telegraph and data communication installations
CSMA/CD local area networks Technical specification
Apparatus for connection to private circuits run by certain public telecommunication operators. Specification apparatus forconnection digital with interfaces according CCITT G-series Recommendations G.703 services at 2048 kbit/s and 8448
Specification for electrical safety requirements for apparatus for connection to telecommunication networks