2
General description
Functional
The 21-216, Fiber Optical Converter G.703 Codir – IEEE C37.94 is intended to
extend distance and galvanic isolate the teleprotection equipment for substations
connection to multiplexers.
IEEE C37.94
The standard “IEEE C37.94-2002, IEEE Standard for N times 64 Kilobit per Second
Optical Fiber Interfaces between Teleprotection and Multiplexer Equipment”
describes a fiberoptic intra-substation communication links between
teleprotection equipment and multiplexers.
G.703 Codirectional interface - Codir
The standard “G.703 64kbit/s codirectional interface” describes a galvanic
interface commonly used by teleprotection equipment for connection to
multiplexers.