Advanced Train Control System, usually called ATCS, is a set of specifications designed to document the stated requirements of railroad operational and technical professionals concerning ATCS hardware

Hardware

Hardware is a general term for equipment such as keys, locks, hinges, latches, handles, wire, chains, plumbing supplies, tools, utensils, cutlery and machine parts. Household hardware is typically sold in hardware stores....

 and software. These specifications are designed to facilitate compatibility and standardization without limiting the internal design approaches of individual suppliers.

Specifications

• ATCS Specification 110: Environmental
  Natural environment
  The natural environment encompasses all living and non-living things occurring naturally on Earth or some region thereof. It is an environment that encompasses the interaction of all living species....
  
   Requirements
• ATCS Specification 130: Recommended Practices for Software Quality Assurance
• ATCS Specification 140: Recommended Practices for Safety and Systems Assurance
• ATCS Specification 153: System Logic - OBC
• ATCS Specification 154: System Logic - CDC
• ATCS Specification 155: System Logic - WIU
• ATCS Specification 156: System Logic - TFT
• ATCS Specification 160: Configuration Management
  Management
  Management in all business and organizational activities is the act of getting people together to accomplish desired goals and objectives using available resources efficiently and effectively...
  
   Plan
• ATCS Specification 200: Communications
  Communications protocol
  A communications protocol is a system of digital message formats and rules for exchanging those messages in or between computing systems and in telecommunications...
  
   System Architecture
  Architecture
  Architecture is both the process and product of planning, designing and construction. Architectural works, in the material form of buildings, are often perceived as cultural and political symbols and as works of art...
  
  
• ATCS Specification 210: Mobile
  Mobile phone
  A mobile phone is a device which can make and receive telephone calls over a radio link whilst moving around a wide geographic area. It does so by connecting to a cellular network provided by a mobile network operator...
  
   Communications Package
• ATCS Specification 220: Front End Processor
  Central processing unit
  The central processing unit is the portion of a computer system that carries out the instructions of a computer program, to perform the basic arithmetical, logical, and input/output operations of the system. The CPU plays a role somewhat analogous to the brain in the computer. The term has been in...
  
  
• ATCS Specification 225: Cluster
  Cluster
  -In science:* Cluster , a small group of atoms or molecules* Cluster chemistry, an array of bound atoms intermediate in character between a molecule and a solid...
  
   Controller
• ATCS Specification 230: Base Communications Package
• ATCS Specification 250: Message
  Message
  A message in its most general meaning is an object of communication. It is a vessel which provides information. Yet, it can also be this information. Therefore, its meaning is dependent upon the context in which it is used; the term may apply to both the information and its form...
  
   Formats
• ATCS Specification 300: Locomotive
  Locomotive
  A locomotive is a railway vehicle that provides the motive power for a train. The word originates from the Latin loco – "from a place", ablative of locus, "place" + Medieval Latin motivus, "causing motion", and is a shortened form of the term locomotive engine, first used in the early 19th...
  
   System Architecture
• ATCS Specification 310: Locomotive Computer
  Computer
  A computer is a programmable machine designed to sequentially and automatically carry out a sequence of arithmetic or logical operations. The particular sequence of operations can be changed readily, allowing the computer to solve more than one kind of problem...
  
  
• ATCS Specification 311: Predictive Enforcement Braking
• ATCS Specification 320: Locomotive Displays & Controls
• ATCS Specification 335: Transponder/Interrogator
• ATCS Specification 400: Dispatch System Architecture
• ATCS Specification 500: Field Systems Architecture
• ATCS Specification 530: Wayside Interface
  Electrical connector
  An electrical connector is an electro-mechanical device for joining electrical circuits as an interface using a mechanical assembly. The connection may be temporary, as for portable equipment, require a tool for assembly and removal, or serve as a permanent electrical joint between two wires or...
  
   Unit
• ATCS Specification 600: Work Vehicle
  Vehicle
  A vehicle is a device that is designed or used to transport people or cargo. Most often vehicles are manufactured, such as bicycles, cars, motorcycles, trains, ships, boats, and aircraft....
  
   System Architecture
• ATCS Specification 610: Track Forces Terminal
  Computer terminal
  A computer terminal is an electronic or electromechanical hardware device that is used for entering data into, and displaying data from, a computer or a computing system...
  
  
• ATCS Specification 620: Work Vehicle Display and Control Unit

External links

• What is ATCS - Background and technical data