8
The CH6643E front panel LED indicators provide the following status information
for power, communications, and errors:
LED Flashing On
1
POWER Not applicable — LED does
not flash
Green: Power is properly
connected
2
RECEIVE Scanning for a downstream
channel connection
Green: Downstream channel is
connected
Blue: Downstream channel is
connected with bonded
channels
3
SEND
Scanning for an upstream
channel connection
Green: Upstream channel is
connected
Blue: Upstream channel is
connected with bonded
channels
4
ONLINE
Scanning for Internet
connection: Transmitting or
receiving data over the
Internet
Green: Connected to Internet
5
TEL1
TEL 2
Telephone is off-hook: Dialing
or call in progress
Green: Telephone is
connected and activated: on-
hook
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