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Model 3231 User Manual B • Specifications
Ethernet 100M
The Ethernet 100M LED glows green when the Ethernet link negotiates to 100 Mbps. This LED is off when
the Ethernet link negotiates to 10 Mbps.
Ethernet Tx
The Ethernet Tx LED flashes when transmitting an Ethernet packet.
Ethernet Rx
The Ethernet Rx LED flashes when receiving an Ethernet packet.
Power
The Model 3231 power input is 5 VDC from an external desk top power supply, universal input 100–240
VAC, 50–60 Hz, 0.3 A. The universal input power supply has a male IEC-320 power entry connector. This
power supply connects to the Model 3231 by means of a barrel jack (center pin is +5V) on the rear panel.
Many international power cords are available for the universal power supply.
The Model 3231 powers up as soon as it is plugged into an AC outlet—there is no power switch.
G.SHDSL Physical connection & Transmission Line
RJ-11, Two-wire (single twisted pair), polarity insensitive, pins 3 & 4. (See Appendix C on page 53.)
Line Coding
TC-PAM 16 (Trellis Coded Pulse Amplitude Modulation) for rates from 192 kbps to 2.304 Mbps. TC-
PAM 32 for rates above 2.304 Mbps.
Line Interface
Transformer coupled, 2500 VRMS isolation
Environment
Operating temp: 32–122°F (0–50°C)
Humidity: 5–95% non-condensing
Altitude: 0–15,000 feet (0–4,600 meters)
Dimensions
4.2W x 1.6H x 5.55L inches (10.7W x 4.1H x 14.1L cm)
Ensure that the power cable used with the external power adapter meets all
applicable standards for the country in which it is to be installed, and that it is
connected to a wall outlet which has earth ground.
WARNING