<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Feb 11, 2013, at 4:31 PM, A J Stiles <<a href="mailto:asterisk_list@earthshod.co.uk">asterisk_list@earthshod.co.uk</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">On Monday 11 February 2013, Shitian Long wrote:<br><blockquote type="cite">Hello,<br><br>I am trying to connect two asterisks with PRI connection. One asterisk has<br>TE405P Quad PRI ports card, anther asterisk has TE110P 1 PRI port card.<br><br>I am wondering if there would be some step by step guide that I could<br>follow to to this kind of connection?<br><br>Thanks<br></blockquote><br>If you want to connect the two boxes together via the telephone network, then <br>you will need appropriate NTEs (Network termination Equipment -- the boundary <br>between where the telco's responsibility ends and yours begins) installed, <br>and the telco should give you cables -- or at least advise on wiring. <br>Connecting an Asterisk card to an NTE requires a straight-through cable.<br><br>If you just want to connect the boxes directly (aot via the telephone <br>network) then you will need to make up a special cable. Get CAT5 cable, <br>plugs and crimping tool. (If you are especially lazy, you can even just cut <br>the plug off one end of a pre-wired CAT5 cable, and crimp your own in place of <br>where it used to be.) Now you need to swap over pin 1 (WHITE/orange) with pin <br>5 (WHITE/blue) and pin 2 (ORANGE/white) with pin 4 (BLUE/white). It won't do <br>any harm leaving pins 3, 6, 7 and 8 connected, and it will make crimping up <br>the plugs easier.<br><br><br>One end: Standard wiring.<br>1: WHITE/orange 2: ORANGE/white 3: WHITE/green 4: BLUE/white 5: WHITE/blue 6: <br>GREEN/white 7: WHITE/brown 8: BROWN/white<br><br>Other end: Special wiring for ISDN crossover.<br>1: WHITE/blue 2: BLUE/white 3: WHITE/green 4: ORANGE/white 5: WHITE/orange 6: <br>GREEN/white 7: WHITE/brown 8: BROWN/white<br><br></blockquote>Thanks for your message, at moment, I have an Asterisk with a TE405P Quad ports PRI ISDN card, </div><div>Span 1 connect to a NT(network terminal) equipment, which is a GSM gateway with straight cable</div><div>Span 2 connect to a TE(telecom equipment), which is an another asterisk installation with TE110P, with cross PRI rewiring cable.</div><div><br></div><div>At moment, I think the cable are properly connected, since I check out TE405P card, actually two ports indicate green. TE110P indicate Green. And GSM Gateway LAY1 indicate Green, but LAY2 indicate blinking green.</div><div><br></div><div>I am tying to process the following work according to <a href="http://www.cadvision.com/blanchas/Asterisk/DahdiT1trunk.html">http://www.cadvision.com/blanchas/Asterisk/DahdiT1trunk.html</a></div><div><br></div><div><br></div><div>And may I have some general ISDN questions: </div><div><br></div><div>according to dahdi_tools, I would be able to check configuration from TE405P card.</div><div><br></div><div>It has following configurations :</div><div><br></div><div>Current Alarms: No alarms. </div><div>Sync Source: T4XXP (PCI) Card 0 Span 1 </div><div>IRQ Misses: 0 </div><div>Bipolar Viol: 0 </div><div>Tx/Rx Levels: 0/ 0</div><div>Total/Conf/Act: 31/ 31/ 0 </div><div><div>1111111111222222222233 </div><div>1234567890123456789012345678901</div><div><br></div><div>my question is what is meaning of each of configuration mentioned above?</div><div><br></div><div><br></div><div>Thanks </div></div><div><br></div><div><br></div><div><br></div><div><br><blockquote type="cite"><br>Don't forget, one of the machines has to be told (in chan-dahdi.conf) to <br>pretend it is an NTE rather than subscriber's equipment!<br><br>-- <br>AJS<br><br>Answers come *after* questions.<br><br>--<br>_____________________________________________________________________<br>-- Bandwidth and Colocation Provided by <a href="http://www.api-digital.com">http://www.api-digital.com</a> --<br>New to Asterisk? Join us for a live introductory webinar every Thurs:<br> <a href="http://www.asterisk.org/hello">http://www.asterisk.org/hello</a><br><br>asterisk-users mailing list<br>To UNSUBSCRIBE or update options visit:<br> <a href="http://lists.digium.com/mailman/listinfo/asterisk-users">http://lists.digium.com/mailman/listinfo/asterisk-users</a><br></blockquote></div><br></body></html>