ČSN - Czech national standards

Information systems interconnection. X.25 protocol relaying. Part 1: General overview and subnetwork independent requirements

Available design: Print design

Information systems interconnection. X.25 protocol relaying. Part 2: LAN subnetwork dependent media independent requirements

Available design: Print design

Information systems interconnection. X.25 Protocol relaying. Part 3: ISO 8802-3 CSMA/CD Subnetwork dependent media dependent requirements

Available design: Print design

Information systems interconnection. X.25 Protocol relaying. Part 4: PSDN Subnetwork dependent media dependent requirements for virtual calls over a permanent access

Available design: Print design

Information systems interconnection. X.25 protocol relaying. Part 5: Profile RC51.1111 (M-IT-02 R/32 over PSTN leased line)

Available design: Print design

Information systems interconnection. X.25 protocol relaying. Part 6: Profile RC51.1121 (M-IT-02 R/32 over digital data circuit / CSDN leased line)

Available design: Print design

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Specification, functional model and information flows - Call Identification and Call Linkage Additional Network Feature

Available languages: Czech preface only

Available design: Print design

Security requirements for device for authentication - Part 1: Protection profile for core functionality

Available languages: English

Available design: Print design

Security requirements for device for authentication - Part 2: Protection profile for extension for trusted channel to certificate generation application

Available languages: English

Available design: Print design

Security requirements for device for authentication - Part 3: Additional functionality for security targets

Available languages: English

Available design: Print design