DCLS Signal Level: TTL; 0.8V max., 2.3V min fail.; >10kΩ load
Connector: AM and DCLS: BNC female
Accuracy: n/a
Number of Cards: Up to 6
Ordering Information: 1204-05, IRIG module, BNC Connector
IRIG In/Out, BNC [1204-05]: Output Specifications
Output Signal: IRIG A, B, G, E or NASA-36, amplitude modulated sine wave (AM),
0.5V to 6V
p-p
into 50Ω; or pulse-width-coded (DCLS). User-selectable.
AM Carrier: IRIG B 1000Hz, IRIG A and G100 or 100
AM Signal Level: 500mV to 10V
p-p
[high Z]; (modulated 2:1 to 6:1).
DCLS Signal Level: >10kΩ TTL
Connector: AM and DCLS: BNC female
Accuracy: see "IRIG Output Accuracy Specifications" on page562
Number of Cards: Up to 6
Ordering Information: 1204-05, IRIG module, BNC Connector
Figure 5-36: Model 1204-05 option card rear plate
IRIG In/Out, Fiber Opt. [1204-27]: Input Specifications
Signal: IRIG A, B, G or NASA-36, (DCLS only, unmodulated)
Operating Wavelength: 820/850nm
Optical Minimum Sensitivity: -25dBm @ 820nm
Fiber Optic Compatibility: 50/125μm, 62.5/125μm multi-mode cable
Optical Connector: ST
404 SecureSync 2400 User Manual
APPENDIX