POS OC48 interfaces using different wave length

Thu Jun 7 16:45:21 UTC 2001

>I am thinking about using different POS interfaces on dark-fibers.
>
>On one side, i already have POS-OC48-LR card (Cisco).
>This card use 1550 nm wave length.
>
>We would like to use a POS-OC48-SR (Cisco).
>This card use 1310 nm wave length.
>
>Are 1310 and 1550 optics comptatible ?

You have to have the same wavelength at both ends, otherwise it won't work.

>If yes, i guess that there is impact on the power Budget available. How-Much ?!

LR tends to be 1550nm, because 1550nm has less signal loss over the same 
length of fiber.

Simon
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