Alarm Programmability - Symmetricom TimeSource 3600 User Manual

Alarm Programmability

Releases of TimeSource (1.05.03 and above) allow the user to provision the alarm
escalation parameters that were hardcoded in the previous releases of TS3000.hex.
The defaults for this release remain the same as were previously hardcoded. This
feature can be used to set the programmability for such alarms as GPS,
HOLDOVER, SPAN-X, and RO-X.
The TS3600 alarms can be programmed for GPS and HOLDOVER types of events.
The SPAN-X alarms can be programmed for AIS, ERROR, and LOS types of events.
The user can set the parameters for SEVERITY1 and SERAFF1 which initially
come into effect when the condition is detected. The user can also set the
parameters for SEVERITY2 and SERAFF2 which come into effect after TIME
(another user programmable parameter).
The system also allows the user to set a parameter to define how outputs should
behave in an alarm condition (see ALMOUT and ALMCOND settings). Outputs can
be set to AIS, Squelch, or SSM when Holdover alarm severity is set to minor or
major. AIS, Squelch, or SSM is not evoked if Holdover severity is set to event
(factory default for initial severity). Outputs can also be set to ignore alarm
conditions.
Startup
When the TimeSource starts up, the CRIT lamp lights. The CRIT lamp remains on
for approximately 50 seconds to 60 seconds and then shuts off.
During startup, the TimeSource performs several self-tests to verify the integrity of
the hardware and software. Neither communication nor outputs are possible at this
time, and the CRIT lamp is switched on. Once the self-tests are done, a connection
to the system can be made and the events viewed.
Two events are initially provided. These events are:
"Power Up Restart"
"Settling Period"
In the "Power Up Restart" event, which lasts for approximately 2 minutes, the
system does additional checks and starts all the various tasks within the system.
097-72060-01 Revision J – June, 2007
Chapter 1 Overview of the TimeSource 3600
Functional Description
TimeSource 3600 User's Guide 35