Symmetricom XL-GPS User Manual
Page 75
997-01530-01, Rev. C-25, Jan 2008
65
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Upate the alarm settings when adding or removing the expansion module from the XL-GPS.
Alarms - General Information
With Alarm Disabled, an F73 indicator does not trigger and alarm when it enters an Unlocked or Fault
state.
With Alarm Enabled, an F73 indicator triggers an alarm when it enters an Unlocked or Fault state, and
the following events take place:
•
The Alarm Status LED changes color from green to amber or red (
•
The ALARM output on the rear panel changes from low Z to high Z (impedance).
•
If configured, SNMP sends a trap out over the network port. (
)
The following items may delay an unlocked or fault state from triggering an alarm immediately:
•
Timeout and Timeout Delay postpone Time Error alarms for a user-configured interval.
“Timeout and Timeout Delay” on page 67.
•
Power-on Alarm Suppress prevents alarms from being triggered for a user-configured interval
after the XL-GPS boots and starts.
See “Power On Alarm Suppress” on page 67.
Indicator/Parameter Name
Status
Factory Setting
(XL-GPS without expansion module)
Clock Status
Locked/Unlocked
Always Enabled
PLL
Locked/Unlocked
Alarm Enabled
GPS
OK/Fault
Alarm Disabled
DAC
OK/Fault
Alarm Disabled
1st Time Lock
OK/Fault
Alarm Enabled
Time Error
OK/Fault
Alarm Enabled
Time Threshold
(Range 0 to 99,999 nS)
0000 nS
LED Blink
n/a
Enabled
Timeout
OK/Fault
Alarm Enabled
Timeout Delay
(Range 0 to 86,400 sec.) 300 sec.
Power-On Alarm Suppress
(Range 0 to 86,400 sec.) 300 sec.
NTP
OK/Fault
Alarm Enabled
Clear Alarm Latch
Yes/No
No