D-Link 1000Base-T Guia De Inicio Rapido página 3

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Switch
There is a two pin DIP switch on the module which define as switch 1
and switch 2:

Switch 1: Fiber mode switch
When the switch was turned to "On", it means that the fiber was turned
to forced mode, and "Off" for auto-negotiation mode.
Note: Be sure the opposite end is using the same setting(forced or Auto-
negotiation). And when using two converters at the same time, the two
converters MUST set to forced mode.

Switch 2: LLR
When the switch was turned to "On", it means that the LLR was
enabled and "Off" for disabled.
Note: When using two converters at the same time, then only one
converter need to enable the LLR function.
The Switch can be mounted in an EIA standard size, 19-inch rack,
which can be placed in a wiring closet with other equipment. To install,
attach the mounting brackets on the switch's front panel (one on each
side) and secure them with the screws provided.
Switch 1 : On -> Forced Mode
Off -> Auto Negotiation mode
Switch 2 : On -> LLR enable
Off -> LLR disable
1 2
1 2
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