<div dir="ltr">Although isn't the head end supposed to be the "Downstream" optic, while the client gets the "Upstream" optic?<div><br></div><div>At least this makes it comparable to the way PON networks operate.</div>
<div><br></div><div style>Reason not to use BX might be tx power/rx sensitivity. If your links are particularly long (> 10km), you might need a typical dual fibre working optic like a ZX/ER for the reach. In which case there are circulators as mentioned.</div>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">On 22 March 2013 00:41, Craig Askings <span dir="ltr"><<a href="mailto:craig@askings.com.au" target="_blank">craig@askings.com.au</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I used them extensively at PIPE, they worked quite well. Just don't try to use them in 2 gig Fibre channel switches.<br>
<br>
>From an operational perspective, standardise on having the headend / core switch using one type (D or U) and all the aggregation / CPE using the other type. This takes away the guess work when another staff member goes to maintain the setup.<br>
<span class="HOEnZb"><font color="#888888"><br>
<br>
Craig.<br>
</font></span><div class="HOEnZb"><div class="h5"><br>
On 22/03/2013, at 10:30 AM, Andrew Jones <<a href="mailto:aj@jonesy.com.au">aj@jonesy.com.au</a>> wrote:<br>
<br>
> Hey all,<br>
> I'm setting up some Gig-E connectivity over SMOF and am looking at using BX optics, to get better efficiency out of the number of cores I have. Is there any reason not to use them instead of LX? On paper, it looks like a good way to go.<br>
> Thanks,<br>
> Andrew<br>
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