NAME
sab,
sabtty
-
Infineon
82532 Enhanced Serial Communication Controller (ESCC2)
SYNOPSIS
sab* at ebus?
sabtty* at sab? channel ?
DESCRIPTION
The
sab
driver provides
TTY
support for the
Infineon
(previously
Siemens)
82532 serial communications interface found in many
Sun Ultra
workstations and servers.
Input and output speeds for each line may be set to any baud rate in the
following list: 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400,
4800, 9600, 19200, 38400, 57600, 76800, 115200, 153600, 230400, 307200,
460800, 614400, 921600.
NOTES
The speed cannot be changed on the ports connected the
Remote System Control
(RSC) on a
Sun Enterprise[tm] 250 Server
(ttyh2 and ttyh3).
These ports are fixed at 115200 baud.
FILES
/dev/ttyh[0123]
-
serial ports
DIAGNOSTICS
- sab*: ring overflow
-
The software input
"ring
has overflowed.
This usually means input flow-control is not configured correctly
(i.e. incorrect cable wiring).
SEE ALSO
tty(4),
zstty(4)
HISTORY
The
sabtty
driver first appeared in
OpenBSD3.1
and was then ported to
NetBSD2.0.
AUTHORS
Jason L. Wright