User`s guide

LEDs
A-2
5100-A2-GB21-00November 1996
Type LED LED is . . . Indicating . . .
LNK On
Off
Normal operation.
Link down.
DSL
CD Blinking
Off
On
Normal operation. Carrier detect
training mode.
No carrier.
Normal operation. Data mode.
DSL
RX Blinking, On
Off
Normal operation. Indicates
presence of DSL traffic.
No data being received.
TX Blinking, On
Off
Normal operation. Indicates
presence of DSL traffic.
No data being sent.
System
SYS Blinking
Off
On
Self-test in progress. Occurs at
power-up.
Error condition. Self-test failed.
Normal Operation. Self-test
successful.
TEST Blinking
On
Normal operation.
In loopback mode.
If any of the states defined in the table as “Error Conditions” occurs, reset the
card using the Diagnostics Utility. If the error condition persists, attempt to run the
loopback tests as described in Chapter 3.