<br><br><div class="gmail_quote">2008/11/26 Kevin P. Fleming <span dir="ltr"><<a href="mailto:kpfleming@digium.com">kpfleming@digium.com</a>></span><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div class="Ih2E3d">Olivier wrote:<br>
<br>
> (As for the question of wiring: I have no idea. Refer to the<br>
> documentation or to the answers of others in this thread)<br>
><br>
><br>
> b410 manual says pins are affected this way :<br>
><br>
> 3 Tx+ (TE) Rx+ (NT)<br>
> 4 Rx+(TE) Tx+ (NT)<br>
> 5 Rx-(TE) Tx- (NT)<br>
> 6 Tx- (TE) Rx- (NT)<br>
><br>
> I don't know if this means a straight cable is ok or not.<br>
> If someone could shed some light ...<br>
<br>
</div>It should be fairly obvious from that documentation. The entire purpose<br>
of the jumpers is to switch between NT wiring and TE wiring, and on page<br>
18 of the manual (currently on <a href="http://www.digium.com" target="_blank">www.digium.com</a>) it specifically says<br>
"This eliminates the need to use a crossover cable." Consider the light<br>
to be shed :-)</blockquote><div><br>Yes but both jumpers were set according this doc.<br><br>But as we're talking about jumpers, after reading this same doc (page 19) I then had a doubt about whether or not I should turn on100ohm termination to NT port.<br>
<br>Doc says it should be turned on "in those instances where a BRI is daisy-chained and terminated on the B410P in NT mode".<br>So after reading this again, I would I should have turned it on.<br><br>Do you agree ?<br>
<br>B410P card1 - port1 - TE mode <------> B410P card2 - port1 - NT mode <------> B410P card2 - port2 - NT mode<br><br></div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<br>
<div class="Ih2E3d"><br>
--<br>
Kevin P. Fleming<br>
Director of Software Technologies<br>
Digium, Inc. - "The Genuine Asterisk Experience" (TM)<br>
<br>
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