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Introduction
1-93910-A2-GN32-40 September 1998
Table 1-1
(2 of 3)
Technical Specifications for 391x Series Modems
Specifications Description
ENVIRONMENT
Operating Temperature
32°F (0°C) to 122°F (50°C)
Relative Humidity 5% to 90% (noncondensing)
Shock and Vibration Withstands normal shipping
Storage Temperature
–4°F (–20°C) to 158°F (70°C)
DTE INTERFACE
25-pin D-subminiature connector EIA-232-D/ITU-T V.24
MODEL 3910 POWER SUPPLY
AC POWER REQUIREMENTS
100 to 250 Vac, 50 to 60 Hz
POWER CONSUMPTION
Model 3910 6 watts (typical, including power supply, speaker off)
Model 3911 4 watts (typical, each card) (Speaker consumption is
approximately 1 watt at high volume.)
DIMENSIONS
Weight 2.5 pounds (1.14 kg) Model 3910 (without power supply)
1.0 pounds (0.45 kg) Model 3911
Height 2.1 inches (5.4 cm) Model 3910
7.1 inches (18.1 cm) Model 3911
Width 7.6 inches (19.4 cm) Model 3910
0.9 inches (2.3 cm) Model 3911
Depth 12.1 inches (30.8 cm) Model 3910
13.4 inches (34.0 cm) Model 3911
TRANSMIT LEVEL
Leased Line (North America) 0 through –15 dBm (in 1 dBm decrements)
Factory default is 0 dBm
Leased Line (All Other Countries) 0 through –15 dBm (in 1 dBm decrements)
Factory default is country dependent
Dial Line (North America) –10 through –32 dBm (in 1 dBm decrements)
Factory default is Permissive (–9 dBm)
Dial Line (All Other Countries) Level setting is not accessible to the user
Factory default is country dependent
TELEPHONE INTERFACE
Leased-Line Connectivity JM8 (Model 3910)
50-pin mass termination (Model 3911)
Dial-Line Connectivity RJ11C Permissive
RJ21X Permissive 50-pin connector (Model 3911)