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CSA CAN/CSA-ISO/IEC 8802-5-02 (R2011)

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Information Technology - Telecommunications and Information Exchange Between Systems - Local and Metropolitan Area Networks - Specific Requirements - Part 5: Token Ring Access Method and Physical Layer Specifications (Adopted ISO/IEC 8802-5:1998 / ANSI/IEEE 802.5:1998, third edition, 1998-09-15)

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Information Technology - Telecommunications and Information Exchange Between Systems - Local and Metropolitan Area Networks - Specific Requirements - Part 5: Token Ring Access Method and Physical Layer Specifications (Adopted ISO/IEC 8802-5:1998 / ANSI/IEEE 802.5:1998, third edition, 1998-09-15)
Scope For the purpose of compatible interconnection of data processing equipment via a local area network(LAN) using the token ring access method, this part of ISO/IEC 8802 a) Provides a general description of the token ring local area network (LAN) architecture (clause 2)
- Defines the frame format, including the delimiters, address fields, information field, and frame-check sequence (FCS). Defines the Medium Access Control (MAC) frames, timers, and error counters (clause 3)
- Defines the MAC protocols including finite state machines and state tables (clause 4)
- Defines the system level Physical layer (PHY) signaling specifications that are specific to a ring station (clause 5)
- Defines the managed objects necessary to manage the service and protocol elements that are involved in the management of a token ring station (clause 6)
- Defines the PHY station attachment specification for 4 and 16 Mbit/s operation. This includes the transmitter, receiver, medium interface connector, and transmission channel for both shieldedtwisted pair (STP) and unshielded twisted pair (UTP) media (clause 7)
- Defines the concentrator, incorporating multiple trunk coupling units (TCUs), for the attachment of a group of stations to the ring (clause 8)
- Includes the protocol implementation conformance statement (PICS) proforma in compliance with the relevant requirements, and in accordance with the relevant guidance, given in ISO/IEC 9646-2 : 1994. (annex A)
- Includes channel design examples and formulas for calculating cabling and concentrator system configurations (annex B)
- Describes jitter components and provides an example of jitter buildup using a phase lock loop recovery circuit (annex C)
- Provides informative transmitter filter design example (annex D)
- Provides recommended guidelines for safety and operating environments (annex E)
- Illustrates the MAC finite state machines in a notation similar to that used in lSO/IEC 8802-5 : 1992 (annex F)
- Describes major improvements made after the first edition of the standard (annex G)
- Provides a sample algorithm for the parsing of MAC frames (annex H)
- Provides recommendations for the use of token ring access priorities to support multimedia traffic (annex I)
- Provides bit error rate (BER) criteria for lobe media testing (annex P).

SDO CSA: Canadian Standards Association
Document Number
Publication Date Jan. 1, 2002
Language en - English
Page Count 260
Revision Level
Supercedes
Committee
Publish Date Document Id Type View
Jan. 1, 2002 CAN/CSA-ISO/IEC 8802-5-02 (R2011) Revision
Sept. 9, 2011 Reaffirmation