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NAME

       ptsctl - PTS Module Controller

SYNOPSIS

       ptsctl [options]

DESCRIPTION

       Set  attenuation level on the Qualcomm Atheros Production Test System using a local RS-232
       communication port.  The port settings must be configured  before  running  this  program.
       Settings   are   9600   baud,   no   parity,  8  data  and  1  stop  bit.   See  datasheet
       http://www.weedtech.com/wtssr-m.pdf for more information.

OPTIONS

       -f file
              The name of the serial port.  On Linux, the name is usually  "/dev/ttyS[0-4]".   On
              OS/X,  the  name  is usually "/dev/cua[0-4]".  On Windows, the name is "com[0-9]:".
              The default is "/dev/ttyS0" on Linux and "com1:" on Windows.  If environment string
              "PTSCTL"  is  defined  then it takes precedence over the default serial port.  This
              option then takes precedence over either default.

       -g attenuation
              The desired line/ground attenation in Decibels.  The  value  may  be  expressed  in
              decimal,  binary,  or  hexadecimal.   Binary varues start with "0b" and hexadecimal
              values start with "0x".  The default for this option is 127 dB.

       -n attenuation
              The desired line/neutral attenation in Decibels.  The value  may  be  expressed  in
              decimal,  binary,  or  hexadecimal.   Binary varues start with "0b" and hexadecimal
              values start with "0x".  The default for this option is 127 dB.

       -p power
              Turn on or off the Device Under Test power.  The value of  power  can  be  1=on  or
              0=off.  Alternately, keywords "on" and "off" can be used.

       -r     Read  and display undecorated attenuator settings on stdout.  Setting appear as two
              decimal integers  representing  the  attenuation  in  decibels.   The  line/neutral
              setting  appears first then the line/ground setting.  This option is independent of
              options -n and -g.  If this option is  present  and  the  other  are  missing  then
              settings  are display but not changed.  If this setting appears with either or both
              of the other two then the settings are changed then read and displayed.

       -w wait
              Wait time in milliseconds.  Serial I/O operation are slow and  a  delay  is  needed
              after  each  write  operation.   Unfortunately, different operating systems require
              different wait times.  This options lets you adjust the time.  The  default  is  10
              milliseconds which should be adequate on most systems.

EXAMPLES

       The following example turns the Device Under Test power on and configures the line/neutral
       attenuator for 72dB attenuation.  Line ground attenation is automatically set  to  127  dB
       since  it  is not specified on the command line.  Option -p is not necessary if the Device
       Under Test power is already on.

          # ptsctl -p 1 -n 72

       The next example configures the controller for 42 dB attenuation on line/neutral  and  100
       dB  on  line/ground.  There is no needed to turn the Device Under Test on again because it
       remains on until turned off.

          # ptsctl -n 42 -g 100

       The next example configures the controller for 56 dB attenuation on line/ground and 127 dB
       on line/neutral, and turns the Device Under Test off.

          # ptsctl -p off -g 56

       The  next  example  reads  the  atteuator  setting  and displays them on decimal format on
       stdout.  The line/neutral setting appears first then the  line/ground  setting.   In  this
       example, line/neutral has 55 dB attenuation and line/ground has 120 dB attenuation.

          # ptsctl -r
          55 120

       You  can  also  set  the attenuation and read it back using one command.  The next example
       sets line/neutral attenuation to 10 db and line/ground attenuation to 50 db then reads the
       attenuator   settings   and  displays  them  in  the  standard  order,  line/neutral  then
       line/ground.

          # ptsctl -g 50 -r -n 10
          10 50

REFERENCES

       Information  shown  above  applies  to  WTSSR-M  Solid  State  Relay  Module   by   Weeder
       Technologies, 90-A Beal Pkwy NW, Fort Walton Beach FL 32548 USA; Tel +44 850 863 5723.

SEE ALSO

       plc(1), WTSSR-M(1), weeder(1)

CREDITS

        Charles Maier
        Nathaniel Houghton