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A-11
Cisco ONS 15454 SDH Reference Manual, R5.0
April 2008
Appendix A Hardware Specifications
A.4.6 AIC-I Specifications
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Severity customer provisionable
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Common 32-V output for all alarm-inputs
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Each input limited to 2 mA
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Termination via MIC-A/P
• Alarm outputs
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Number of outputs: 4 (user configurable as inputs)
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Switched by opto-MOS (metal oxide semiconductor)
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Triggered by definable alarm condition
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Maximum allowed open circuit voltage: 60 VDC
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Maximum allowed closed circuit current: 100 mA
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Termination via MIC-A/P
• EOW/LOW
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ITU-T G.711, ITU-T G.712, Telcordia GR-253-CORE
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A-law, mu-law
Note Due to the nature of mixed coding, in a mixed-mode configuration (A-law/mu-law) the
orderwire is not ITU-T G.712 compliant.
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Orderwire party line
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Dual tone multifrequency (DTMF) signaling
• User data channel (UDC)
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Bit rate: 64 kbps, codirectional
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ITU-T G.703
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Input/output impedance: 120 ohms
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Termination: RJ-11 connectors
• Generic communications channel (GCC)
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Bit rate: 576 kbps
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EIA/TIA-485/V11
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Input/output impedance: 120 ohms
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Termination: RJ-45 connectors
• ACC connection for additional alarm interfaces
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For future use
• Environmental
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Operating temperature: –40 to +65 degrees Celsius (–40 to +149 degrees Fahrenheit)
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Operating humidity: 5 to 95%, noncondensing
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Power consumption: 8.00 W, 0.17 A, 27.3 BTU/hr
• Dimensions
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Height: 321.3 mm (12.650 in.)