RFL Communications 21 Sub-MUX Manual do Utilizador descarregar pdf (Página 30)

Solutions for an evolving world.

Dedicated Fiber Optic Cable

Short Haul Fiber

• C37.94 full title IEEE Standard for N Times 64 Kilobit Per Second Optical Fiber Interfaces

Between Teleprotection and Multiplexer Equipment, is an IEEE standard that defines the

rules to interconnect Tele-protection and multiplexer devices of power utility companies.

The standard defines a data frame format for optical interconnection, and references

standards for the physical connector for multi-mode optical fiber. the standard also defines

behavior of connected equipment on failure of the link, and the timing and optical signal

characteristics. The standard was published in 2002.

Intra-Sub LAN

61850

• IEC 61850 is a standard for the design of electrical substation automation. IEC 61850 is a

part of the International Electrotechnical Commission's (IEC) Technical Committee 57

(TC57)[1] reference architecture for electric power systems. The abstract data models

defined in IEC 61850 can be mapped to a number of protocols. Current mappings in the

standard are to MMS (Manufacturing Message Specification), GOOSE, SMV (Sampled

Measured Values),[clarification needed] and soon to Web Services. These protocols can run

over TCP/IP networks or substation LANs using high speed switched Ethernet to obtain the

necessary response times below four milliseconds for protective relaying.

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