Correct. Because Ethernet cross-over cables are crossing over 1,2,3 and 6; no 1,2,4 and 5.
On 3/18/07, Jeronimo Romero <[EMAIL PROTECTED]> wrote:
So a regular cross over cable wouldn't work? -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of BJ Weschke Sent: Sunday, March 18, 2007 10:35 PM To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: Re: [asterisk-users] T1 cable for Digium T1/E1 Cards Yes. At that point, you're looking for a T1 "cross-over". The pinout is as follows: 1 4 RX/Ring/- <-->TX/Ring/- 2 5 RX/Tip/+ <-->TX/Tip/+ 4 1 TX/Ring/- <-->RX/Ring/- 5 2 TX/Tip/+ <-->RX/Tip/+ 3 3 Shield/Return/Ground 6 6 Shield/Return/Ground On 3/18/07, Jeronimo Romero <[EMAIL PROTECTED]> wrote: > I assume that I would need to cross these pins over if I were going from > t1 card to t1 card. Is this correct? > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Tom > Sent: Sunday, March 18, 2007 7:17 PM > To: Asterisk Users Mailing List - Non-Commercial Discussion > Subject: Re: [asterisk-users] T1 cable for Digium T1/E1 Cards > > A common Cat5 straight through cable will work fine. > > T1s use 1 and 2 (rx tip and ring) and 4 and 5 (tx tip and ring) for > signals. > > A T1 loopback plug would be wired 1 to 4 and 2 to 5. > > They come in handy for testing T1 cards or for providing a hard loop > for the telco. > > Tom > > At 05:42 PM 3/18/2007, you wrote: > >Is there any technical difference between a T1 cable and a cat5e patch > >cable as far as using them with Digium T1/E1 cards? Can PRI circuits > >terminating at a smart jack connect successfully to Digium cards using > >straight through CAT5e cables? If so, are they using all of the pins in > >the cable? > > > >Thanks in advance > >_______________________________________________ > >--Bandwidth and Colocation provided by Easynews.com -- > > > >asterisk-users mailing list > >To UNSUBSCRIBE or update options visit: > > http://lists.digium.com/mailman/listinfo/asterisk-users > > _______________________________________________ > --Bandwidth and Colocation provided by Easynews.com -- > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users > _______________________________________________ > --Bandwidth and Colocation provided by Easynews.com -- > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users > -- Bird's The Word Technologies, Inc. http://www.btwtech.com/ _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
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