STATSERIAL(1) User Commands STATSERIAL(1)NAME
statserial - display serial port modem status lines
SYNOPSIS
statserial [-n | -d | -x] <device-name>
DESCRIPTION
Statserial displays a table of the signals on a standard 9-pin or 25-pin serial port, and indicates the status of the handshaking lines. It
can be useful for debugging problems with serial ports or modems.
The optional device-name parameter is the full name of the device file for the serial port in question. If not specified, the default is
taken from the environment variable MODEM if set, otherwise /dev/cua1.
COMMAND-LINE OPTIONS
Each of the command line options is mutually exclusive.
-n Normally statserial will loop continuously, updating the status at one second intervals; you can exit using Control-C. The -n option
disables looping.
-d
With this option the status of the modem is printed as a decimal number. The bits are encoded as follows (XXX indicates unused bits):
+---+---+---+---+---+---+---+---+---+
| 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
+---+---+---+---+---+---+---+---+---+
|DSR|RI |DCD|CTS|XXX|XXX|RTS|DTR|XXX|
+---+---+---+---+---+---+---+---+---+
-x This option is the same as -d, except that the output is in hexadecimal.
BUGS /LIMITATIONS
Statserial only works with devices that support the TIOCMGET ioctl.
You need permission to read the device file.
The device file may be locked if other applications are using it.
AUTHOR
Statserial was written by Jeff Tranter (Jeff_Tranter@Mitel.COM), later updated by Frank Baumgart (godot@uni-paderborn.de) and is released
under the conditions of the GNU General Public License. See the file COPYING and notes in the source code for details.
SEE ALSO setserial(8)stty(1)
/usr/src/linux/drivers/char/serial.c /usr/include/linux/termios.h
Linux 17 December 1994 STATSERIAL(1)
Check Out this Related Man Page
SERIAL_CS(4) Kernel Interfaces Manual SERIAL_CS(4)NAME
serial_cs - PCMCIA serial port driver
SYNOPSIS
insmod serial_cs.o [pc_debug=n] [irq_list=i,j,...] [do_sound=n]
DESCRIPTION
Serial_cs is the Card Services driver for all PCMCIA serial devices, including modem cards. When serial_cs is bound to a serial or modem
card, it will generally attempt to allocate the first unused serial device for use by the card. The device chosen will be recorded in the
kernel log file, and will also be reported to cardmgr(8). The major and minor numbers and device name reported by serial_cs will match the
corresponding "dialout" device (/dev/cua#). The new device can be accessed using this device file or the corresponding /dev/ttyS# device.
The default serial card setup script will link the dialout device to /dev/modem.
PARAMETERS
pc_debug=n
Selects the PCMCIA debugging level. This parameter is only available if the module is compiled with debugging enabled. A non-zero
value enables debugging.
irq_list=i,j,...
Specifies the set of interrupts that may be allocated by this driver.
do_sound=n
A flag specifying if speaker output should be enabled. The default is 1 (true). Set to 0 to disable speaker output.
AUTHOR
David Hinds - dahinds@users.sourceforge.net
SEE ALSO cardmgr(8), pcmcia(5).
pcmcia-cs 2000/06/12 21:24:48 SERIAL_CS(4)
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