blackham at gmail.com
Sun Sep 7 19:31:42 CDT 2008
CWDM filter bandpass is wide to allow for drifting optics. Anything
within about 7nm of 1530/1550 should work fine. I've got some optics
near 34 and 59 on order to do exactly that in a bidir single fiber
arrangement. I'll report back my results.
On 9/7/08, Bradley Urberg-Carlson, VISI <buc at visi.com> wrote:
> On Mon, 01 Sep 2008 20:50:46 -0400
> Robert Boyle <robert at tellurian.com> wrote:
> > The only affordable CWDM 10G system I have seen although I haven't
> used it yet
> > is a single 10G band at 1310 or 1550 with 8 additional 2.5G bands
> around it.
> I've wondered if one could shoot with DWDM 10G optics into two channels
> of a CWDM mux. For example, by connecting DWDM channel 359 (center
> 1530.33 nm) and 334 (center 1550.12 nm) to the 1530/1550 filters of a
> CWDM mux with 20nm spacing (+/- 6.5nm pass band). Might that support
> 1x10gig + 3x1gig on a single strand, or 2x10G + 6x1G on a pair? (and
> no, I haven't tried it).
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