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Re: POS OC48 interfaces using different wave length
- From: Wayne Bouchard
- Date: Thu Jun 07 13:15:45 2001
So I guess the right answer here is that everyone needs to learn how
to use attenuators propperly...
On Thu, Jun 07, 2001 at 05:45:21PM +0100, Simon Lockhart wrote:
> >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 Lockhart | Tel: +44 (0)1737 839676
> Internet Engineering Manager | Fax: +44 (0)1737 839516
> BBC Internet Services | Email: Simon.Lockhart@bbc.co.uk
> Kingswood Warren,Tadworth,Surrey,UK | URL: http://support.bbc.co.uk/