I need to buy and try the BIDI SFP. but i'm confused of the different type of wave length which is exists , such as: 1310/1490 ,1490/1310, 1310/1550 ,or even 1550/1310 ??
what are the differences between them ?
and is the normal SFP switch configuration same as the BIDI SFP ? or any special configuration required ?
my switch is WS-C3850
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