North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: POS OC48 interfaces using different wave length
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 > -- > Simon Lockhart | Tel: +44 (0)1737 839676 > Internet Engineering Manager | Fax: +44 (0)1737 839516 > BBC Internet Services | Email: [email protected] > Kingswood Warren,Tadworth,Surrey,UK | URL: http://support.bbc.co.uk/ >
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