Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!mstar!mstar.morningstar.com!bob From: bob@MorningStar.Com (Bob Sutterfield) Newsgroups: comp.dcom.modems Subject: Re: Telebit ATJ6J0? Message-ID: Date: 11 Jan 91 23:56:31 GMT References: <1991Jan9.090037@mathcs.emory.edu> <247@einstein.eds.com> Sender: usenet@MorningStar.COM (USENET Administrator) Reply-To: bob@MorningStar.Com (Bob Sutterfield) Organization: Morning Star Technologies Lines: 71 In-Reply-To: cirian@einstein.eds.com's message of 10 Jan 91 18:56:52 GMT We received this June 19, 1990 in a FAX from Telebit. It doesn't necessarily match all revisions of their modem firmware, but it offers some useful insight into a lot of weird situations anyway. It seems a little more recent than the list that cirian@einstein.eds.com (Steve Cirian) saved from dnb@chaos.cs.brandeis.edu (David N. Blank)'s earlier posting. AT J6J0 Display Raaaaaa Rbbb Nccc ECddd Tffffff Fgggggg Rhhhhhh Miiiiii Ejjjjjj Fkkkkkk Ollllll mmm nnn ooo ppp qqq rrr sss ttt u v Twww xxx Myyy aaaaaa - the number of times the modem has retrained bbb - the cause of the retrain 0 - never retrained 1 - modem saw too many quiet packets 2 - modem received too many bad packets 3 - modem sent the same packet too many times 4 - an &R was issued ccc - the cause of the NO CARRIER 1 - failed synchronization 2 - packets too small 3 - retrained too often or v22bis/v22/212 lost carrier 4 - H command issued 5 - illegal switch to/from PEP and v22bis/v22/212 6 - DTR dropped 7 - talk/data switch pushed 8 - failed negotiation 9 - received disconnect packet from far modem ddd - number of times the modem sent a disabling tone ffffff - number of packets thrown out because the sequence number was out of range gggggg - number of packets discarded because the receiver packet buffer was full hhhhhh - number of packets retransmitted iiiiii - number of missed turnarounds jjjjjj - number of times an empty packet was sent because there was no transmit packet ready kkkkkk - number of framing errors llllll - number of overrun errors mmm/nnn/ooo - SNR thresholds for 2/4/6 bits in Q1 ppp - the attenuator setting qqq/rrr - size of long XMT/RCV packets in bytes sss/ttt - size of short XMT/RCV packets in bytes u/v - XMT/RCV mode (L = long only, S = short/long, M = micro/long) www - number of tone packets in front of the data burst xxx - "CDD" "TCD" or "TCDT" as appropriate yyy - MNP class