Figure 5-15: Model 1204-18 option card rear plate
Model 1204-19 1PPS Output (10V): Specifications
Outputs: (4) 1PPS output
Signal Type and Connector: 10V (BNC)
Output Load Impedance: 50Ω
Rise Time to 90% of Level: <30ns
Programmable Pulse Width: 100ns to 900ms with 20ns resolution
Absolute Phase Error: ±50ns (1σ)
Programmable Phase Shift: ±5ns to 500ms with 5ns resolution
Maximum Number of Cards: 6
Ordering Information: 1204-19 1PPS 10V output module, BNC connector
Figure 5-16: Model 1204-19 option card rear plate
Model 1204-21 1PPS Output (RS-485): Specifications
Inputs/Outputs: (4) 1PPS output
Signal Type and Connector: RS-485 (terminal block)
Output Load Impedance: 120Ω
Rise Time to 90% of Level: <10ns
368 SecureSync User Reference Guide
APPENDIX