Shutting Down The Unit; Issuing The Halt Command Before Removing Power - Spectracom SecureSync 1200 User Reference Manual

For additional information, see "Status LEDs" on page 6 and "Status Monitoring via Front
Panel" on page 259.
4.1.2

Shutting Down the Unit

Shutting down SecureSync by interrupting the AC and/or DC power supply is acceptable and
will not damage the unit.
It is, however, worthwhile to point out the differences between shutting down the unit by inter
rupting the power supply vs. gracefully shutting it down e.g., via the Web UI.
To learn more, see "Issuing the HALT Command Before Removing Power" below.
For more information on AC and DC supply power, see "Power Source Selection" on
page 38.
4.1.3

Issuing the HALT Command Before Removing Power

Gracefully shutting down SecureSync by using the HALT command offers the following advant
ages over shutting the unit down via the AC ON/OFF switch (see"Unit Rear Panel" on page 7),
or otherwise interrupting the AC or DC supply power:
The HALT command may be issued to the SecureSync via:
Once the HALT process has been initiated via the Web UI or front panel, the front panel LCD
will display Power off SecureSync, and the front panel LED time display will stop incrementing.
Issuing a HALT Command via the Web UI
1.
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The shutdown process will be logged
The System Clock will update the Real Time Clock with the latest System Time.
SecureSync's file system will be synchronized, which under some circumstances will
allow for faster startup next time the unit will be powered up again.
the Web UI
the front panel keypad
the front panel serial port.
Note: Wait 30 seconds after entering the HALT command before removing
power.
Navigate to TOOLS > SYSTEM: Reboot/Halt .
4.1 Powering Up/Shutting Down
217