1Pps In/Out [1204-28, -2A] - Spectracom SecureSync 1200 User Reference Manual

APPENDIX
The Status window displays the following settings:
Signature Control: Displays the current configuration of Signature Control; see "Sig
nature Control" on page 136.
Frequency: Indicates the configured frequency of the 1PPS output signal.
Offset: Displays the configured Offset (to account for cable delays or other latencies).
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, -2A]

These 1PPS input/output cards provide one 1PPS input, and three or two additional 1PPS out
puts 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 : <10 ns
Programmable Pulse Width : 100 ns to 900 ms with 20 ns resolution
Absolute Phase Error : ±50 ns (1σ)
354 SecureSync User Reference Guide