Spectracom SecureSync User Reference Manual page 350

Time and frequency synchronization system
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5.4  Time Code Option Cards
Figure 5-23:
5.4.1.2 IRIG Out (Fiber Optic): Specifications
Inputs/Outputs : (4) IRIG Outputs
Signal : IRIG A, B, E, G or NASA-36
Operating Wavelength : 820/850 nm
Optical Power : -15 dBm average into 50/125 fiber
Fiber Optic Compatibility : 50/125 μm, 62.5/125 μm multi-mode cable
Optical Connector : ST
Signal Type : DC Level Shift (unmodulated)
Accuracy : see "IRIG Output Accuracy Specifications" on page 499
Maximum Number of Cards : 6
Ordering Information : 1204-1E Four IRIG Output Module, Fiber Optic
Figure 5-24:
5.4.1.3 IRIG Out (RS-485): Specifications
Inputs/Outputs : (4) IRIG Outputs
Signal : IRIG A, B, E, G or NASA-36
Signal Type and Connector : RS-485 levels (terminal block)
Output Load Impedance : 120 Ω
Accuracy : see "IRIG Output Accuracy Specifications" on page 499
Maximum Number of Cards : 6
Ordering Information : 1204-22 Four IRIG Output Module, RS-485
334
Model 1204-15 option card rear plate
Model 1204-1E option card rear plate
CHAPTER
5
SecureSync User Reference Guide Rev. 18

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