Appendix A Hardware Specifications

A.5.6 DS3i-N-12 Card Specifications

A.5.6 DS3i-N-12 Card Specifications

The DS3i-N-12 card has the following specifications:

Input

Bit rate: 44.736 Mbps +/–20 ppm

Frame format: ITU-T G.704, ITU-T G.752/DS-3 ANSI T1.107-1988

Line code: B3ZS

Termination: Unbalanced coaxial cable

Input impedance: 75 ohms +/– 5 percent

Cable loss:

Maximum 137 m (450 ft): 734A, RG59, 728A

Maximum 24 m (79 ft): RG179

AIS: ITU-T G.704 compliant

Output

Bit rate: 44.736 Mbps +/– 20 ppm

Frame format: ITU-T G.704, ITU-T G.752/DS-3 ANSI T1.107-1988

Line code: B3ZS

Termination: Unbalanced coaxial cable

Output impedance: 75 ohms +/–5 percent

AIS: ITU-T G.704 compliant

Power level: –1.8 to +5.7 dBm

Note The power level is for a signal of all ones and is measured at a center frequency of 22.368 MHz (3 +/–1 kHz) bandwidth.)

Pulse shape: ITU-T G.703, Figure 14/ANSI T1.102-1988, Figure 8

Pulse amplitude: 0.36 to 0.85 V peak-to-peak

Loopback modes: Terminal and facility

Line build out: 0 to 225 feet (0 to 68.8 meters); 226 to 450 feet (68.9 to 137.2 meters)

Electrical interface connectors: SMB, BNC

Environmental

Overvoltage protection: As in ITU-T G.703 Annex B

Operating temperature: +23 to +113 degrees Fahrenheit (–5 to +45 degrees Celsius)

Operating humidity: 5 to 95 percent, noncondensing

Power consumption: 26.80 W, 0.56 A at –48 V, 91.5 BTU/hr

Dimensions

Height: 12.650 in. (321.3 mm)

Width: 0.716 in. (18.2 mm)

Depth: 9.000 in. (228.6 mm)

Cisco ONS 15454 Reference Manual, R8.0

 

April 2008

A-23

 

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Cisco Systems ONS 15454 appendix 6 DS3i-N-12 Card Specifications

ONS 15454 specifications

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