Technical requirements of wire intercom communication system for physical protection of nuclear material and nuclear facilities English
1 Scope
This standard specifies the technical requirements of wire intercom communication system for physical protection of nuclear material and nuclear facilities (hereinafter referred to as "wire intercom communication system") in fixed places.
This standard is applicable to the design and acceptance of wire intercom communication system in the physical protection project of nuclear material and nuclear facilities in constructed, extended and renovated fixed places.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections) to, or revisions of, any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB 4208-2008 Degrees of protection provided by enclosure (IP code)
GB 8702 Controlling limits for electromagnetic environment
GB/T 15408 Technical requirement of power-supply for security & protection system
GB/T 30148-2013 Security alarm equipment - EMC immunity requirements and test methods
GB 50057 Code for design protection of structures against lightning
GB 50343 Technical code for protection against lightning of building electronic information system
GB 50348-2004 Technical code for engineering of security and protection system
EJ/T 1054 Physical protection of nuclear material and nuclear facilities
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
physical protection system
security & protection system that has the functions of detection, delay and response and is used to prevent nuclear facilities and nuclear materials from sabotage and nuclear materials from stealing, robbery or unauthorized transfer and use
3.2
wire intercom communication system
communication system with the functions of calling, talking and dispatching, which is composed of dispatching unit, communication switch, intermediate transmission equipment, extension unit, system power supply and the like through the generic cabling system or Ethernet
3.3
dispatching unit
user extension unit with functions of calling, dispatching, etc., which is provided to the on-duty personnel in the physical protection and security control center for operation and use
3.4
communication switch
device in system that has the functions of accessing, relaying, regenerating, amplifying, distributing, forwarding, switching or controlling various signals, or device that provides call control function based on packet switched network using program-controlled software
3.5
extension unit
device installed in duty room, at the entrance and exit, etc., with functions of calling and talking
4 General
4.1 The wire intercom communication system shall determine the system scheme, architecture and function according to the physical protection level and design basis threat, and shall meet the requirements of the physical protection system for wire intercom communication.
4.2 The wire intercom communication system shall be safe, reliable, expandable and flexible, so as to be practical, reliable, technologically advanced, economical and reasonable.
4.3 The equipment used in the wire intercom communication system shall meet the requirements of national laws, regulations and relevant standards.
5 System design requirements
5.1 System design principles
5.1.1 Standardization and security
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 General
5 System design requirements
6 System functional requirements
7 System equipment requirements
8 Installation requirements
9 Security requirements
10 Reliability requirements
11 Electromagnetic compatibility requirements
12 Requirements for protection against lightning and earthing
13 Requirements for environmental adaptability
Annex A (Informative) System architecture of wire intercom communication system
