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The problem is we cannot get NTP to sync to the PPS output. The PPS
source shows up in “ntpq –p” however it has 0 reach. System B is
synced to System A and is a stable Stratum 2 server at the moment.
MbgMon on System B shows the PPS output on the card is active. The
IRIG signal is 100% and shows it is synced. I’ve installed the
serialpps driver, rebooted and verified it was loaded in the Device
Manager, set the PPSAPI_DLLS global environment variable
appropriately, etc.
Any suggestions on how to troubleshoot this?
Thanks,
Ken
Ken, Dave Hart is the expert in the PPS on Windows. Could I suggest that
you at least check that the pulses are being seen by checking with my
Serial Port LEDs program?
http://www.satsignal.eu/software/net.htm#SerialPortLEDs
With NTP not running (as only one device can access the COM port), see
whether there are brief white flashes on the DCD line.
Cheers,
David
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