Private branch exchanges for connection to public switched telephone networks run by certain telecommunications operators. Simple call-routeing mode (SCRM) Specification the simple of PBX operation, with terminating stations treated as an entirety
€193.00
Private branch exchanges for connection to public switched telephone networks run by certain telecommunication operators Specification the procedure in-service observation of PBXs undergoing type approval
€165.00
Private branch exchanges for connection to public switched telephone networks run by certain telecommunication operators Specification general requirements
€269.00
Private branch exchanges for connection to public switched telephone networks run by certain telecommunication operators Specification private with terminating stations treated as an entirety
Private branch exchanges for connection to public switched telephone networks run by certain telecommunication operators Specification the procedure of in-service observation PBXs undergoing type approval
Private branch exchanges for connection to public switched telephone networks run by certain telecommunication operators.Facilities on private Specification facilities with terminating stations treated as an entirety
€316.00
Private branch exchanges for connection to public switched telephone networks run by certain telecommunication operators. Simple call-routing mode (SCRM). Specification the simple of PBX operation, with terminating stations treated as an entirety
Private branch exchanges for connection to public switched telephone networks run by certain telecommunications operators Specification ports
€404.00
Specification for visual indicator lamps for use in telephone and telegraph switchboards and for allied purposes
This product is not for sale, please contact us for more information
Apparatus for connection to private circuits run by certain public telecommunication operators Specification apparatus telegraph using SCVF signalling
Essential requirements for terminal equipment intended for connection to digital interfaces of the PSTN using Digital Access Signalling System No.2 (DASS 2)
Visual indicator lamps
Ceramic materials for telecommunication and allied purposes.
Specification for electric lamps for railway signalling
