Spectracom SecureSync User Reference Manual page 312

5.2 Time and Frequency Option Cards
1PPS OUT, RS-485
1PPS OUT, Fiber
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 201.
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.
5.2.1.7 1PPS Output: Status Window
To view the current settings of a PPS Output , go to its Status window. For instructions, see:
"Viewing the Configuration of an Input or Output" on page 288.
The Web UI list entries for these option cards are:
1PPS OUT, 4-BNC
1PPS OUT, 10V
1PPS OUT, RS-485
1PPS OUT, Fiber
296
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).
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5 SecureSync User Reference Guide Rev. 18