SMC Networks SMC7003USB - Manual (Page 21)

H
ARDWARE
D
ESCRIPTION
2-3
LED Indicators
The EZ Connect ADSL USB Modem has two LEDs on the top panel, one
is marked “Data” and the other “Power.” The operational status of the
modem is indicated by the LED conditions listed below
.
Power Requirements
USB devices can be either self-powered or bus-powered. A device which
has no power connector is bus-powered, and derives its operating power
from the USB connection directly. The EZ Connect ADSL USB Modem is
bus-powered — all you need to do is plug it into a host PC or self-powered
USB hub.
LED Status Description
Data Flashing Indicates the modem is synchronizing its ADSL/
ATM link with the head end.
On Indicates an ADSL/ATM link has been established
on the RJ-11 port.
Power On Power is being supplied to the modem via the USB
bus.