1PPS OUT, 4-BNC
1PPS OUT, 10V
1PPS OUT, RS-485
1PPS OUT, Fiber
The Status window displays the following settings:
Signature Control: Displays the current configuration of Signature Control; see
"Signature Control" on page161.
Frequency: Indicates the configured frequency of the 1PPS output signal.
Offset: Displays the configured Offset (to account for cable delays or other laten-
cies).
Edge: Shows if the on-time point of the 1PPS output is the rising or falling edge of
the pulse.
Pulse Width: Displays the configured Pulse Width of the 1PPS output. The Pulse
Width is displayed in nanoseconds (ns). The default Pulse Width is 200 milliseconds.
5.2.3.2 1PPS In/Out [1204-28]
These 1PPS input/output cards provide one 1PPS input, and three or two additional 1PPS
outputs on BNC or ST connectors for the SecureSync platform.
Model 1204-28 1PPS Input/Output: Specifications
Inputs/Outputs: (1) 1PPS input/(3) 1PPS output
Signal Type and Connector: TTL (BNC)
Input Impedance: 50 Ω
Output Load Impedance: 50 Ω
Rise Time to 90% of Level: <10ns
358 SecureSync 2400 User Manual
APPENDIX