Spectracom SecureSync 1200 - Page 417

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 50Ω; or pulse-width-coded (DCLS). User-selectable.
AM Carrier: IRIG B 1000Hz, IRIG A and G100 or 100
AM Signal Level: 500mV to 10V
p-p
[high Z]; (modulated 2:1 to 6:1).
DCLS Signal Level: >10kΩ TTL
Connector: AM and DCLS: BNC female
Accuracy: see "IRIG Output Accuracy Specifications" on page539
Number of Cards: Up to 6
Ordering Information: 1204-05, IRIG module, BNC Connector
Figure 5-40: 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: 820/850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
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
SecureSync User Reference Guide 401
APPENDIX