Introduction
1-13
3920-A2-GH30-40
October 1998
Technical Specifications
Table 1-2 shows the technical specifications for the 392xPlus modems.
Table 1-2
(1 of 2)
Technical Specifications for 392xPlus Modems
Specifications
Description
APPROVALS
Model 3920Plus, 3921Plus, and
COMSPHERE 3000 Series Carrier
Refer to the product labeling or contact your service representative.
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 3920Plus POWER SUPPLY
AC POWER REQUIREMENTS
100 to 250 Vac, 50 to 60 Hz
POWER CONSUMPTION
Model 3920Plus Singleport (3920-A1-xxx)
6 watts (typical, including power supply, speaker off)
Model 3920Plus Singleport (3920-A2-xxx)
8 watts (typical, including power supply, speaker off)
Model 3921Plus Singleport
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.)
DIMENSIONS
Weight
2.5 pounds (1.14 kg) Model 3920Plus (without power supply)
1.0 pounds (0.45 kg) Model 3921Plus
Height
2.1 inches (5.4 cm) Model 3920Plus
7.1 inches (18.1 cm) Model 3921Plus
Width
Singleport
7.6 inches (19.4 cm) Model 3920Plus
0.9 inches (2.3 cm) Model 3921Plus
Multiport
7.6 inches (19.4 cm) Model 3920Plus
1.8 inches (4.6 cm) Model 3921Plus
Depth
12.1 inches (30.8 cm) Model 3920Plus
13.4 inches (34.0 cm) Model 3921Plus
TELEPHONE INTERFACE
Leased-Line Connectivity
JM8 (Model 3920Plus )
50-pin mass termination (Model 3921Plus )
Dial-Line Connectivity
RJ11C Permissive
RJ21X Permissive 50-pin connector (Model 3921Plus )
Summary of Contents for COMSPHERE 3920PLUS Series
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