Telebit and Xenix
Laverne E. Olney
laverne at medsys.uucp
Sat Sep 30 16:14:25 AEST 1989
This message concerns SCO Unix/Xenix and Telebit Trailblazer-Plus
modems. I would like as many people as possible who use these
products to mail me THEIR configurations and I will post a summary.
I did have a stable configuration with Xenix 2.3.2 (downloading
news at 900-1100 bytes/sec) but using the identical settings on
Unix 3.2 gives transfer rates of only 460-550 bytes/sec (9600 baud).
/etc/gettydefs entry:
4 # EXTA HUPCL ECHOE CR1 NL1 #
EXTA CS8 SANE HUPCL TAB3 ECHOE IXON IXOFF IXON IXOFF IXANY #\r\n@!login: # 3
OR
4 # B19200 CS8 HUPCL ECHO IXON IXANY CR1 NL1 #
B19200 CLOCAL CS8 BRKINT OPOST ONLCR ISIG ICANON HUPCL TAB3 ECHO IXON IXANY RTSFLOW CTSFLOW #\r\n@!login: # 3
/etc/inittab entry (Unix 3.2):
Se1A:23:respawn:/etc/getty -t60 tty1A 4
Modem set-up string to call out:
AT M0 S0=0 S7=90 S45=255 S50=255 S51=5 S52=2 S53=1 S58=3 Q6 X3
OR
AT E0 M0 S0=0 S7=80 S45=0 S51=5 S52=2 S53=2 S54=3 S58=2 S64=1 S66=1 S92=1 S111=30 Q6 X3
Modem set-up string to answer (host):
AT E0 M0 S0=1 S45=0 S51=5 S52=2 S53=2 S54=3 S58=2 S64=1 S66=0 S92=1 Q6 X3
OR
AT E0 M0 S0=1 S45=0 S51=5 S52=2 S53=2 S54=3 S58=2 S64=1 S66=1 S92=1 Q6 X3
Using the setup described, what is the usual range of data transfer speeds?
Do you use "dialTBIT -z /dev/tty1A 19200" to set up your modem?
Which communications program do you use to call out (e.g. cu, YAM, procomm)?
--
__ __| __ __ LaVerne Olney -- Med-Systems
|/^\/^\ /__) / | (__ | | (__ Medical Office Management Software
| | | \__ \__| ___) \__| ___) 1932 Brookside Road
| Kingsport, TN 37660 U.S.A.
Unix BBS: 615-288-3957 (__) UUCP: uunet!medsys!laverne
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