Spectracom SecureSync User Reference Manual page 356

5.4 Time Code Option Cards
5.4.2.3 IRIG In/Out, Fiber Opt. [1204-27]: Input Specifications
Signal : IRIG A, B, G or NASA-36, (DCLS only, unmodulated)
Operating Wavelength : 820/850 nm
Optical Minimum Sensitivity : -25 dBm @ 820 nm
Fiber Optic Compatibility : 50/125 μm, 62.5/125 μm multi-mode cable
Optical Connector : ST
Accuracy : n/a
Number of Cards : Up to 6
Ordering Information : 1204-27, IRIG module, Fiber Optic ST Connector
5.4.2.4 IRIG In/Out, Fiber Opt. [1204-27]: Output Specifications
Signal : IRIG A, B, E, G or NASA-36, (DCLS only, unmodulated)
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
Accuracy : see "IRIG Output Accuracy Specifications" on page 499
Number of Cards : Up to 6
Ordering Information : 1204-27, IRIG module, Fiber Optic ST Connector
Figure 5-27:
5.4.2.5 Supported IRIG Formats
The IRIG option cards models 1204-05 and -27 support IRIG input and output formats A, B, and G
(DCLS and AM). Additionally, the cards support inputs with frequency/resolution values of no car-
rier/index count interval, 1kHz/1ms, 10 kHz/0.1 ms, and 100 kHz/10 ms, as well as IRIG input
coded expressions of the fields BCD
The IRIG inputs support the following coded expression combinations for BCD
BCD
YEAR
340
Model 1204-27 option card rear plate
TOY
fields:
, CF, SBS, and BCD .
YEAR
CHAPTER •
5 SecureSync User Reference Guide Rev. 18
, CF, SBS, and
TOY