M e r i d i a n I I U s e r M a n u a l
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C H A P T E R T H R E E
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M e r i d i a n I I U s e r M a n u a l
C O N T R O L A N D S T A T U S C O M M A N D S
setsigfltmask
This command allows you to enable or mask the Signal Loss Fault. Parameter for this command is
either MASKED or ENABLED. Setting this command to MASKED will prevent a signal loss fault
from creating an alarm condition. Some installations may need to mask this fault when operating the
NTP server as a Stratum 2 server. The factory default setting is ENABLED.
Command:
setsigfltmask MASKED
MeridianII reply:
Signal Loss Fault Mask set to MASKED
settfomfltlvl
This command allows you to change the TFOM Fault Level. This is the threshold at which a signal
loss fault will be asserted. See
Appendix A - Time Figure of Merit
for more information. By chang-
ing the TFOM Fault Level you control the point at which the time error will produce a signal loss
fault, which then creates an alarm condition. The factory default setting is 9, which is the maximum
TFOM value.
Command:
settfomfltlvl 6
MeridianII reply:
TFOM Fault Level set to 6
sigfltmask
This command displays the current setting for the Signal Loss Fault Mask.
Command:
sigfltmask
MeridianII reply:
Signal Loss Fault is ENABLED
subsysreset
This command performs a GPS Subsystem reset which is similar to cycling the power on the GPS
Subsystem. After about 10 seconds, the boot messages from the GPS Subsystem will be displayed.
Command:
subsysreset
MeridianII reply:
Bootloader 6010-0070-000 v 1.00 - Dec 27 2012 14:48:55
FW 6010-0076-000 v 1.00 - Jul 12 2015 16:08:46
FPGA 6020-0016-000 v 01
Wait 13 seconds while resetting GPS receiver...
syskernel
This command returns the currently booted linux kernel, either 0 or 1, where 0 is the factory-installed
kernel and 1 is the upgraded kernel.
Command:
syskernel
MeridianII reply:
BOOTED KERNEL IMAGE = 1 (Upgrade)
Summary of Contents for Meridian II
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