Russian standards
Unit automated communication system. Common requirements of subscriber units for interaction with AT-50 and PD-200 networks
Document status: Active
Semiconductor devices. Integrated circuits. Part 2. Digital integrated circuits
Document status: Active
Error control equipment for DCE. Methods of error correcting
Document status: Active
Digital audio interface. Part 4. Professional applications
Document status: Active
Data transmission system signal conversion modulus for switched and unswitched voice frequency channels. Types and basic parameters
Document status: Active
Identification cards. Optical memory cards. Linear recording method. Part 3. Optical properties and characteristics
Document status: Active