thanks a lot, i've googled around hunting for an answer to my biggest doubt: the cross-cable. i understand that it looks like an cat-5 cross-cable and how it has to be done, but ... why 8 wires ? i found this image: http://www.gcom.com/home/support/t1crossover.html and that one: http://www.voip-info.org/wiki-crossover+T1+cable?page=crossover%20T1%20cable&comments_threshold=0&comments_offset=0&comments_sort_mode=commentDate_desc ... so: the cable that goes from the isdn NT to asterisk should be an 8 wires isdn-cross-cable ?
thanks for those newbye delightenments :) ciao mike On Mon, 2005-05-23 at 16:50, Emanuele Pucciarelli wrote: > Stankiewicz Michael wrote: > > > i followed this how-to: > > http://www.voip-info.org/tiki-index.php?page=Asterisk%20zaphfc%20install26 > > having in response no sign of life. > > If the module doesn't even get installed, or the kernel does not report > any card as recognized, you could tweak the initialization routines to > add PCI IDs for your own cards, and hope they work correctly. If the > cards are recognized, there should be nothing to worry about: either > they work with zaphfc or they don't, modulo interrupt troubles. > > > the software side is pretty straightforward but i have many doubts on > > the hardware deployment: > > 1- the idsn cable going from asterisk to the NT sould be a cross cable ? > > Yes. But not an Ethernet cross-cable, an ISDN cross-cable; there's a > pointer on the wiki to a page on isdn.jolly.de explaning how the cable > should be made, and suggestions about how to take advantage of a disused > NT. I reckon that telephony folks call it an "ISDN TX/RX" cable. > > > 2- it should have 100 ohm resistors (if yes, where can i find the > > schemes )? > > Yes, the bus should be terminated (so the resistors don't have to be on > the cable itself). A full description of the bus is in the ETSI > standard for ISDN layer 1 (www.etsi.org). _______________________________________________ Asterisk-Users mailing list [email protected] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
