`comp.dcom.modems ›
`Telebit registers
`3 posts by 3 authors
`rb duc
`8/17/90
`Does anyone know how to access Telebit registers S70, S71, S72, S73, S74,
`S75, S76, S77, S78 - or seen a program to read these during a connection?
`Most are read only and show Equivalent Line Noise Profile (S76),
`Line Quality (S78), Instantaneous Receive Rate (S72),
`Instantaneous Transmit Rate (S70), etc. Is Pro Yam capable of doing
`this ?
`rbd
`--
`\\\
` - - Richard Ducoty ..uunet!grumbly!root
` _] Capitola, California ro...@grumbly.com
`Click here to Reply
`Colin Plumb
`8/20/90
`In article <147@grumbly.UUCP> ro...@grumbly.com writes:
`> Does anyone know how to access Telebit registers S70, S71, S72, S73, S74,
`> S75, S76, S77, S78 - or seen a program to read these during a connection?
`While the connection is set up, just do:
`<pause>+++<pause> (or whatever your escape sequence is)
`OK
`ats70?s71?s72?...
`(register dump goes here)
`OK
`ato (return to connection)
`CONNECT FAST/UUCP (or whatever)
`You can also use the secondary port, I think... some extra pins on the
`RS232 port are used to make a second serial port that can be used for
`an out-of-band control channel. I've never tried it myself, but the
`first technique I described, I can vouch for.
`--
` -Colin
`Wolfgang S. Rupprecht
`8/20/90
`In article <559@array.UUCP> colin@array.UUCP (Colin Plumb) writes:
`>In article <147@grumbly.UUCP> ro...@grumbly.com writes:
`>> Does anyone know how to access Telebit registers S70, S71, S72, S73, S74,
`>> S75, S76, S77, S78 - or seen a program to read these during a connection?
`>You can also use the secondary port, I think... some extra pins on the
`>RS232 port are used to make a second serial port that can be used for
`>an out-of-band control channel. I've never tried it myself, but the
`>first technique I described, I can vouch for.
`Well, I have used the port on the secondary rs-232 channel. It works.
`Two caveats though:
` 1) the secondary port only runs at 9600 baud (even though the
` primary channel was set to 19200)
` 2) the port gets all confused if you dial the connection on
` the primary channel and then talk to it on the secondary.
` Simply use the secondary channel for dialing and all is
` well.
`Oh, the tie in to Alt.Sys.Sun? The Sparc SLC dual A/B port has the
`
`Page 1 of 2
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`
`
`compatible pinout to the Telebit dual A/B port. A straight 25-pin
`cable works great. Just fire up two tip's one connecting to port A
`the other to port B.
`Sending the output of the Telebit registers to xgraph is a blast! You
`can see the bathtub shaped noise curves, etc.
`While at it, its also fun to graph a scatter plot of
`/usr/lib/uucp/SYSLOG. Anyone else tried that? Can anyone explain the
`curve(s)?
`-wolfgang
`--
`Wolfgang Rupprecht uunet!nancy!wsrcc!wolfgang
`Internet: nancy!wsrcc!wolf...@uunet.uu.net
`Snail Mail Address: Box 6524, Alexandria, VA 22306-0524
`
`Page 2 of 2
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