Specification for the Maintenance of Electro-Mechanical Concentrators
Document status: [ Active ]
Specification for the Maintenance of Network Control Processor Systems
Document status: [ Active ]
Specification for the Maintenance of National Radio Network (NRN) & Overlay Radio Network (ORN)
Document status: [ Withdrawn ]
Specification for the Maintenance of Whiteley PETS
Document status: [ Inactive ]
Specification for the Maintenance of Telephone Instruments in Operational Buildings
Document status: [ Inactive ]
Specification for the Maintenance of Lineside Telephones and Tail Cables
Document status: [ Inactive ]
Specification for the Maintenance of Electronic PABX Concentrators
Document status: [ Inactive ]
Specification for the Maintenance of Telecoms Digital Transmission Systems
Document status: [ Active ]
Specification for the Maintenance of UHF Spot Scheme and Marine Radio Systems
Document status: [ Withdrawn ]
Specification for the Maintenance of the Plessey (Hixon) AHB Telephone System
Document status: [ Withdrawn ]
