Programmable Square Wave Out [1204-17] - Spectracom SecureSync 1200 User Reference Manual

Signature Control : Controls when the output will be present. See also: "Signature Con
trol" on page 136.
Frequency : Indicates the configured frequency.
Phase : Displays the configured phase offset (e.g., to account for delays caused by dif
ferent cable lengths, or other latencies).
Lock : Shows, if the output frequency is locked to the SecureSync system-disciplined oscil
lator.
Note:
output port, if the Signature Control for that port has been DISABLED.
5.2.3.6

Programmable Square Wave Out [1204-17]

The Model 1204-17 Square Wave output Option Card provides four programmable square
wave outputs for the SecureSync platform.
Inputs/Outputs : (4) Programmable square wave outputs
Signal Type and Connector : TTL (BNC)
Accuracy : ±50 ns (1σ)
Output Load Impedance : 50 Ω
Rise Time to 90% of Level : <10 ns
Programmable Period : 100 ns to 1,000,000,000 ns in 5ns steps, to 60,000,000 µs in
1µs steps
Programmable Pulse Width : 20 ns to 900 ms with 5 ns resolution
Maximum Number of Cards : 6
Ordering Information : 1204-17: Square Wave Out
Figure 5-30:
SecureSync User Reference Guide
Even if an output frequency status is LOCKED, it will not be available at the
Model 1204-17 option card rear plate
APPENDIX
377