Re: [nsp] 100BaseFX single-mode interfaces

From: Simon Lockhart (
Date: Fri Sep 22 2000 - 10:16:19 EDT

>> I'm not having a lot of luck confirming which Cisco 100BaseFX
>> interfaces (routers or switches) will support single-mode fiber
>> (as opposed to multi-mode) with a duplex SC connector. Searching
>> the cisco web it appears there is a WS-X5114 for cat5000, a
>> PA-2FEISL-FX for 7[125]00, and VIP2. And it appears that the
>> smaller switches (2900 series) and the NM-1FE-FX or PA-FE-FX
>> router interfaces only support multi-mode.

If you can't get singlemode interfaces, use multimode interfaces, and use
a convertor box between multimode and singlemode fibre. I've just bought a
bunch of these from Blackbox.


Simon Lockhart                       |   Tel: +44 (0)1737 839676 
Internet Engineering Manager         |   Fax: +44 (0)1737 839516 
BBC Internet Services                | Email: 
Kingswood Warren,Tadworth,Surrey,UK  |   URL:

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