Visual indicator lamps
€269.00
Ceramic materials for telecommunication and allied purposes.
Specification for electric lamps for railway signalling
Essential requirements for connection of terminal equipment to 2-wire analogue interfaces, without capacitive termination, of public switched telecommunication networks using either the earth calling, the loop calling-disconnect clearing, the loop calling-guarded clearing or the loop calling-unguarded clearing signalling method
€374.00
CSMA/CD local area networks Guidance for implementors
€404.00
Overhead line-wire material (non ferrous) for telegraph and telephone purposes
Terms and definitions used in connection with telegraphs and telephones
Apparatus for connection to private circuits run by certain public telecommunication operators. Specification apparatus digital according CCITT Recommendation X.21 bis
€165.00
