RFL Communications 21 Sub-MUX Manual do Utilizador descarregar pdf (Página 33)

Solutions for an evolving world.

Protective Relay

Fiber Direct 1300/1550 NM SM/ MM

Protective Relay

Fiber Direct 1300/1550 NM SM/ MM

Direct Fiber Connections, Relay to

Relay

• Typically each substation house will have a patch

panel that will connect the outside fiber to the

insider fiber.

• The patch panel will provide a place to loop

inside fiber for loop testing of relay

• This form can be determined by the type of fiber

and the connections. If there is a patch panel

this will be direct fiber.

• Testing of the relay can be done via looping at

any of the TX/RX connections .

• In most cases Addressing is not required for

security, but if used it will need to be disabled

during loop testing.

Fiber Patch

panel

Fiber Patch

panel

OPGW

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RFL Communications 21 Sub-MUX Manual do Utilizador Página 33