Spectracom SecureSync 1200 - Page 382

1PPS Output: Edit Window
To configure the settings of the 1PPS output, go to its Edit window. For instructions, see: "Con
figuring Option Card Inputs/Outputs" on page330.
The Web UI list entries for these cards are: 1PPS/Frequency BNC and 1PPS/Frequency RS-
485.
The connector number is: J3 (BNC card); J1 (RS-485 card).
Note: SecureSync starts numbering I/O ports with 0 (only 1PPS and 10MHz out
puts start at1, because of the built-in outputs).
The Edit window allows the configuration of the following settings:
Signature Control: Used to control when the 1PPS output signal will be present. See "Sig
nature Control" on page136 for more information.
Offset: Used to account for 1PPS cable delays or other latencies in the 1PPS output. The
Offset value is entered and displayed in nanoseconds (ns). The available Offset range is
-500 to +500ms.
Edge: The operator can select if the output signal is a positive (reference on the rising
edge) or a negative (reference on the falling edge) pulse.
Pulse Width: Configures the Pulse Width of the 1PPS output. The Pulse Width is entered
and displayed in nanoseconds (ns). The default Pulse Width is 200 milliseconds.
PPS Output: Status Window
To view the current settings of the 1PPS output, go to its Status window. For instructions, see:
"Viewing Input/Output Configuration Settings" on page329.
366 SecureSync User Reference Guide
APPENDIX