Transmission and Multiplexing (TM) - Generic requirements of transport functionality of equipment - Part 3-2: Synchronous Transport Module N (STM-N) regenerator and multiplex section layer functions; Implementation Conformance Statement (ICS) proforma specification; English version ETS 300417-3-2:1997
€214.30
Distribution automation using distribution line carrier systems - Part 3: Mains signalling requirements; Section 22: MV phase-to-earth and screen-to-earth coupling devices (IEC 57/365/CD:1998)
€41.78
Public Switched Telephone Network (PSTN); category II attachment requirements for 9600 or 4800 bits per second duplex modems standardized for use on the PSTN; english version ETS 300002:1992
€98.32
Attachments to the Public Switched Telephone Network (PSTN); basic attachment requirements for modems standardized for use on the PSTN; english version ETS 300114:1991
Attachments to the Public Switched Telephone Network (PSTN); category II attachment requirements for 1200 bits per second duplex modems standardized for use on the PSTN; english version ETS 300116:1991
€77.20
Attachments to the Public Switched Telephone Network (PSTN); category II attachment for 1200 bits per second half duplex and 1200/75 bits per second asymmetrical duplex modems standardized for use on the PSTN; english version ETS 300118:1991
Transmission and multiplexing (TM); optical interfaces for equipments and systems relating to the synchronous digital hierarchy [ITU-T Recommendation G.957 (1993) modified]; English version ETS 300232:1993
Transmission and Multiplexing (TM) - Physical and electrical characteristics of hierarchical digital interfaces for equipment using the 2048 kbit/s-based plesiochronous or synchronous digital hierarchies; English version ETS 300166:1993
Transmission and Multiplexing (TM) - Functional characteristics of 2048 kbit/s interfaces; English version ETS 300167:1993
PNO-ISC/SER/002 service description number 002. Calling line identification presentation (CLIP). Calling line identification restriction (CLIR) (incorporating calling number display) supplementary services
€201.00
Generic cabling systems. Specification for the testing of balanced communication in accordance with EN 50173 Patch cords and work area
€281.00
Primary batteries Safety of with aqueous electrolyte
€329.00
Testing of balanced communication cabling in accordance with standards series EN 50173 Patch cords and work area
Digital data transmission assignment of connector pin numbers for interchange circuits between data terminal equipment and data communication equipment
Digital data transmission. The use of longotudinal parity to detect errors in information messages
