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       ncpd - Daemon which handles the serial link to a Psion


       ncpd [-V] [-h] [-v log-class] [-d] [-e] [-p [host:]port] [-s device] [-b baud-rate] [long-


       ncpd is the daemon which handles the serial link to your Psion. It listens  at  port  7501
       for local connections and provides basic PLP/NCP services for plpfuse and plpftp and other
       front-ends. It auto-connects to the psion, even after unplugging/switching  off  therefore
       it can run all the time if you can dedicate a serial device to it.


       -V, --version
              Display the version and exit

       -h, --help
              Display a short help text and exit.

       -e, --autoexit
              Exit  automatically if the device is disconnected. Furthermore, use the current tty
              as I/O device. This option is intended for starting ncpd on demand  using  mgetty's
              auto-detect function. (A patch for mgetty is needed for that).

       -v, --verbose=log-class
              Increase the logging level of the program. the possible values for log-class are:

              nl     Set NCP debug level to LOG

              nd     Set NCP debug level to DEBUG

              ll     Set Link debug level to LOG

              ld     Set Link debug level to DEBUG

              pl     Set Packet debug level to LOG

              pd     Set Packet debug level to DEBUG

              ph     Set Packet debug level to HANDSHAKE

              m      Set overall debug level to verbose

              all    Turn on all the above logging on.

       -d, --dontfork
              Do not background the daemon.

       -p, --port=[host:]port
              Specify  the port to listen on - by default the value for the host is and
              the value for the port is looked up in /etc/services using the key  psion/tcp.   If
              it is not found there, a default value of 7501 is used.

       -s, --serial=device
              Specify  the  serial  device  to  use  to  connect  to the Psion - this defaults to

       -b, --baudrate=baud-rate
              Specify the baud rate to use for  the  serial  connection.  If  the  word  auto  is
              specified,  ncpd  cycles through baud-rates of 115200, 57600, 38400, 19200 and 9600
              baud. Default setting is auto.


       plpfuse(8), plpprintd(8), plpftp(1), sisinstall(1)


       Fritz Elfert
       Heavily based on p3nfsd by Rudolf Koenig  (  and
       plp_1_7 by Philip Proudman (
       Patches from Matt Gumbley (
       Man page by John Lines (