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Cisco ONS 15454 SDH Troubleshooting and Maintenance Guide, R3.3
May 2002
Chapter 3 Card Reference
BLANK Card
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Pulse Amplitude: 0.36 - 0.85 V peak-to-peak
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Loopback Modes: Terminal and Facility
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Line Build Out: 0-69 m (0-225 ft); 69-137 m (226-450 ft)
• DS3i-N-12 Electrical Interface
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Connectors: 1.0/2.3 Miniature Coax connectors via FMEC-E3/DS3 card
• Environmental
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Overvoltage Protection: as in ITU-T G.703 Annex B
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Operating Temperature: -5 to +45 degrees Celsius
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Operating Humidity: 5 to 95%, non-condensing
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Power Consumption: 26.80 W, 0.56 A (AMPS) at -48V, 91.5 BTU/hr
• Dimensions
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Height: 321.3 mm (12.650 in.)
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Width: 18.2 mm (0.716 in.)
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Depth: 228.6 mm (9.000 in.)
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Depth with backplane connector: 235 mm (9.250 in.)
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Weight not including clam shell: 0.8 kg (1.9 lb)
• Compliance
ONS15454 SDH cards, when installed in a system, comply with these standards:
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Safety: IEC 60950, EN 60950, UL 60950, CSA C22.2 No. 60950, TS 001, AS/NZS 3260
3.11 BLANK Card
The BLANK card provides EMC emission control for empty interface card slots. It also provides a way
to close off the subrack front area, thus allowing air flow and convection to be maintained through the
subrack. Figure 3-15 shows the BLANK card faceplate.
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