5.2.3.3 1PPS In/Out, 10MHz In [1204-01, -03]
Model 1204-01, 1PPS/Freq Input (TTL): General Specifications
Inputs/Outputs: One Frequency Input (=J1), one 1PPS Input (=J2), one 1PPS Out-
put
Signal Type And Connector: TTL/Sine (BNC into 50 Ω)
Maximum Number of Cards: 6
Ordering Information: 1204-01: 1PPS/Freq input (TTL levels) module
Figure 5-16: Model 1204-01 option card rear plate
Model 1204-03, 1PPS/Freq Input (RS-485): General Specifications
Inputs/Outputs: (1) 1PPS Input, (1) Freq Input (1) 1PPS Output. All input and output
signals are RS-485 compatible.
Signal Type And Connector: Balanced RS-485 (3.8 mm terminal block)
Maximum Number of Cards: 6
Ordering Information: 1204-03: 1PPS/Freq input (RS-485 levels) module
Figure 5-17: Model 1204-03 option card rear plate
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APPENDIX