Edge: The operator can select either the rising or the falling edge as the input time
reference (defines the on-time point of the signal).
Offset: It is possible to add an offset to the input signal (to account for cable delays),
with a resolution of 5ns and a positive or negative value of 500ms maximum.
1PPS Input: Status Window
To view the current settings of the PPS Input (also referred to as ‘Reference’), go to its
Status window. For instructions, see: "Viewing Input/Output Configuration Settings" on
page334.
The Web UI list entries for these cards are:
1PPS In/Out
1PPS In/Out, Fiber
The connector number for the input is: J1
The Status window displays the following settings:
Reference ID: Name used to represent this 1PPS input reference in the Reference
Priority table. See also: "Configuring Input Reference Priorities" on page184.
1PPS Validity: Indicates “OK” (green) if the 1PPS input signal is present and valid.
Indicates “Not Valid” (orange) if the 1PPS input signal is either not present or is not
considered valid.
Edge: Displays the selected Edge (rising of falling) of the 1PPS input that defines the
on-time point.
Offset: Displays the configured 1PPS offset values.
The 1PPS Input signal is analyzed and an absence of the signal triggers a “Not Valid” indic-
ation.
362 SecureSync 2400 User Manual
APPENDIX