On Tue, Jun 27, 2017 at 03:21:08PM +1000, we recorded a bogon-computron collision of the <[email protected]> flavor, containing: > Tom, > > Thanks for the heads up re the KPC in KISS mode. I'm obviously too used > to TNC2 style TNCs with a KISS only EPROM.
It's just the KPC3+ that has the problem. The KPC2 and KPC3 don't. > On 27/06/17 15:07, Tom Russo wrote: > > One word of warning: Whatever you do, do NOT use the KPC3+ in KISS mode. > > The > > recent posting saying that it should be happy is incorrect. > > > > The KPC3+ firmware has a serious bug in KISS mode that will cause it to > > start delaying packet transmission (in both receive and transmit), and as an > > Igate this is very bad news. You will start forwarding delayed packets to > > APRS-IS and it'll make a huge mess. I ran one this way for a while, and > > when I finally realized what was going on found that it was necessary to > > power cycle the KPC3+ every few days to prevent it. > > > > This bug is well documented all over the web, and Kantronics never fixed it. > > https://www.google.com/search?q=KPC3%2B+kiss+bug&ie=utf-8&oe=utf-8 > > > > The KPC3+ in standard converse mode is just fine. But useless for linux > > ax.25 networking, if you were hoping to share the TNC across a lan. > > > > I eventually mothballed the thing and went to a dedicated KISS device (mine > > is an old Argent Data Systems tracker 2). My Pi (a 2B, I think) is set > > up with this TNC as and AX.25 network port, and runs javAPRSSrvr for the > > igate software and ldsped to share the TNC across my LAN or other machines > > to > > use. Xastir is running on my primary desktop machine, and just connects > > to > > that with AGWPE protocol. Sometimes I connect additional laptops via the > > same > > protocol, all sharing the same KISS TNC. > > > > I personally do not recommend Xastir for use as an IGate. Xastir is great > > for > > an APRS client, but there are better programs to use that have more complete > > implementations of the full igate functionality, and that don't have > > Xastir's > > graphical overhead. My choice, as I said, was javAPRSSrvr, but there are > > plenty of others. > > > > But if you do choose to go with Xastir, so long as you use the KPC3+ in > > normal > > converse mode, your usb<->serial interface should do fine, so long as it's > > using a chip that the Pi recognizes. > > > > On Mon, Jun 26, 2017 at 11:29:30PM -0400, we recorded a bogon-computron > > collision of the <[email protected]> flavor, containing: > >> > >> I'm setting up xastir as an igate on an ras pi3. I have a kpc3 plus tnc > >> that I'm trying to get to work with the pi3. ??I have a usb to 9 pin > >> serial adapter, Will this work with the pi. ??Has anyone set up xastir > >> like this. ?? > >> I was trying to use the equipment I currently have rather than purchase a > >> pi tnc. > >> Thanks??Chris?? > >> > >> Sent from my Samsung Galaxy smartphone. > >> _______________________________________________ > >> Xastir mailing list > >> [email protected] > >> http://xastir.org/mailman/listinfo/xastir > > _______________________________________________ > Xastir mailing list > [email protected] > http://xastir.org/mailman/listinfo/xastir -- Tom Russo KM5VY SAR502 DM64ux http://www.swcp.com/~russo/ Tijeras, NM QRPL#1592 K2#398 SOC#236 http://kevan.org/brain.cgi?DDTNM echo "prpv_a'rfg_cnf_har_cvcr" | sed -e 's/_/ /g' | tr [a-m][n-z] [n-z][a-m] _______________________________________________ Xastir mailing list [email protected] http://xastir.org/mailman/listinfo/xastir
