COMSPHERE 3550 Series Data Service Units
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General Technical Specifications | |||
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Specifications |
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APPROVALS |
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FCC Part 15 | Class A digital device | ||
FCC Part 68 | |||
UL |
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3550 DSU | Listed U L 1950, second edition | ||
3551 DSU, 3000 Series Carrier | Recognized Component UL 1950, second edition | ||
CSA |
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Safety |
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3550 DSU | Certified CSA 22.2, No. | ||
3551 DSU, 3000 Series Carrier | Certified Component CSA 22.2, No. | ||
Emissions | CSA 108.8 ± M1983, Class A digital apparatus | ||
Bell Canada | ªDCTE Specifications,º July 1989, Issue 1 | ||
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AC POWER REQUIREMENTS |
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3550 DSU | 24 Vac (CT), 60 Hz +3 (0.093 amp, 5.8 watts at 115 Vac) | ||
3550 DSU with DBM | 24 Vac (CT), 60 HZ ± 3 (0.115 amp, 9.5 watts at 115 Vac) | ||
3550 DSU with | 24 Vac (CT), 60 Hz +3 (0.103 amp, 8.6 watts at 115 Vac) | ||
3551 DSU | 24 Vac (CT), 60 Hz +3 (0.029 amp, 4.5 watts at 115 Vac) | ||
3551 DSU with DBM | 24 Vac (CT), 60 Hz +3 (0.080 amp, 8.0 watts at 115 Vac) | ||
V.32 DBM | 24 Vac (CT), 60 Hz +3 (0.024 amp, 2.0 watts at 115 Vac) | ||
3000 Series Carrier (16 DSUs with DBMs | 90Ð132 Vac, 60 Hz + 3 (1.650 amp, 165 watts at 115 Vac) | ||
plus SDU and fan module) |
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DTE INTERFACE |
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3550 DSU |
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CCITT V.35 (ISO 2593) | |||
3551 DSU with | |||
CCITT V.35 (ISO 2593) | |||
Uses a Rear Connector Plate with two | (A V.35 Interconnect Cable is required to use the V.35 connector. The | ||
cable provides an interface between the DSU's | |||
| and the DTE cable's V.35 connector.) | ||
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ENVIRONMENT |
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Operating Temperature | 32° to 122° F (0° to 50° C) | ||
Storage Temperature | ±4° to 158° F (±20° to 70° C) | ||
Relative Humidity | 5%Ð95% (noncondensing) | ||
Shock and Vibration | Withstands normal shipping and handling | ||
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December 1996 |