COMSPHERE 392xPlus Modems
Table
(2 of 2)
Technical Specifications for 392xPlus Modems
Specifications | Description |
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POWER CONSUMPTION
Model 3920Plus Singleport Model 3921Plus Singleport
6 watts (typical, including power supply, speaker off)
4 watts (typical, each card) (Speaker consumption is approximately
1 watt at high volume.)
Model 3920Plus Multiport | 8 watts (typical, including power supply, speaker off) | |
Model 3921Plus Multiport | 6 watts (typical, each card) (Speaker consumption is approximately | |
| 1 watt at high volume.) | |
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DIMENSIONS |
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Weight
Height
Width
2.5pounds (1.14 kg) Model 3920Plus (without power supply)
1.0pounds (0.45 kg) Model 3921Plus
2.1inches (5.4 cm) Model 3920Plus
7.1inches (18.1 cm) Model 3921Plus
Singleport
7.6inches (19.4 cm) Model 3920Plus
0.9inches (2.3 cm) Model 3921Plus Multiport
7.6inches (19.4 cm) Model 3920Plus
1.8inches (4.6 cm) Model 3921Plus
Depth | 12.1 inches (30.8 cm) Model 3920Plus | |
| 13.4 inches (34.0 cm) Model 3921Plus | |
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TRANSMIT LEVEL |
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Leased Line (North America) | 0 through ±15 dBm (in 1 dBm decrements) |
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| Factory default is 0 dBm |
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Leased Line (All Other Countries) | ±1 through ±15 dBm (in 1 dBm decrements) |
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| Factory default is country dependent |
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Dial Line (North America) | ±10 through ±32 dBm (in 1 dBm decrements) |
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| Factory default is Permissive (±9 dBm) |
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Dial Line (All Other Countries) | Level setting is not accessible to the user | |
| Factory default is country dependent | |
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TELEPHONE INTERFACE |
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JM8 (Model 3920Plus )
RJ11C Permissive | |
| RJ21X Permissive |
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DATA RATES |
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Leased Line
Dial Line
33,600, 31,200, 28,800, 26,400, 24,000, 21,600, 19,200, 16,800, 14,400, 12,000, 9600, 7200, 4800, 2400 bps
33,600, 31,200, 28,800, 26,400, 24,000, 21,600, 19,200, 16,800, 14,400, 12,000, 9600, 7200, 4800, 2400, 1200, 600, 300 bps
ERROR CONTROL
CCITT V.42 MNP 4±2
DATA COMPRESSION
CCITT V.42bis MNP Class 5
November 1996 |
