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Cisco ONS 15454 SDH Reference Manual, R5.0
April 2008
Appendix A Hardware Specifications
A.5.13 FMEC-E3/DS3 Card Specifications
• FMEC-E3/DS3 output (for E3 signals)
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Bit rate: 34.368 Mbps +/–20 ppm
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Line code: HDB-3
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Termination: Unbalanced coaxial cable
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Output impedance: 75 ohms +/–5%
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Pulse shape: ITU-T G.703, Figure 17
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Pulse amplitude: ITU-T G.703, Figure 17 and Table 9
• FMEC-E3/DS3 Input (for DS3 signals)
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Bit rate: 44.736 Mbps +/– 20 ppm
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Line code: B3ZS
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Termination: Unbalanced coaxial cable
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Input impedance: 75 ohms +/–5%
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Cable loss:
Maximum 137 m (450 ft): 734A, RG59, 728A
Max 24 m (79 ft): RG179
• FMEC-E3/DS3 output (for DS3 signals)
–
Bit rate: 44.736 Mbps +/–20 ppm
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Line code: B3ZS
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Termination: Unbalanced coaxial cable
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Output impedance: 75 ohms +/–5%
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AIS: TR-TSY-000191 compliant
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Power level: ITU-T G.703, Table 6; –1.8 to +5.7 dBm
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Pulse shape: ITU-T G.703, Table 6 and Figure 14; ANSI T1.102-1988, Figure 8
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Pulse amplitude: ITU-T G.703, Table 6; 0.36 to 0.85 V peak-to-peak
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Line build out: 0 to 68.58 m (0 to 225 ft.); 68.88 to 137.16 m (226 to 450 ft.)
• FMEC-E3/DS3 electrical interface
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Connectors: 1.0/2.3 miniature coax connectors
• Environmental
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Operating temperature: –5 to +45 degrees Celsius (+23 to +113 degrees Fahrenheit)
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Operating humidity: 5 to 95%, noncondensing
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Power consumption: 0.00 W, 0.00 A at –48 V, 0.0 BTU/hr
• Dimensions
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Height: 182 mm (7.165 in.)
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Width: 32 mm (1.25 in.)
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Depth: 92 mm (3.62 in.)
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Depth with backplane connector: 98 mm (3.87 in.)
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Weight not including clam shell: 0.3 kg (0.7 lb)