[38604] in North American Network Operators' Group

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Re: POS OC48 interfaces using different wave length

daemon@ATHENA.MIT.EDU (Mikael Abrahamsson)
Fri Jun 8 03:00:21 2001

Date: Fri, 8 Jun 2001 08:59:43 +0200 (CEST)
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: <nanog@nanog.org>
In-Reply-To: <Pine.LNX.4.21.0106080247220.28204-100000@Overkill.EnterZone.Net>
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On Fri, 8 Jun 2001, John Fraizer wrote:

> Attenuation has nothing to do with the reason the two cards won't work
> together.  Think of the cards as color blind.  They can only see ONE
> color.  They ignore all other colors.

Have you actually tried this? I have personally gotten linkups between
1310 and 1550 GBICs. Just as someone said here before, the receivers are
very wide-band.

> 1550nm and 1310nm are different colors.

Yes, but if your receiver picks up photons in a range from (just guessing)
1200 to 1700nm light, it doesn't matter.

-- 
Mikael Abrahamsson    email: swmike@swm.pp.se


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