
LEDs
A-2
5100-A2-GB21-10
April 1997
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
TEST
Steady
Blinking
Blinking, On
Off
In download mode.
In loopback mode.
Normal operation.
SYS
Off
On
Error condition. Self-test failed.
Normal Operation. Self-test successful.
If any of the states defined in the table as “Error Conditions” occur, reset the card
using the 5171 Diagnostics Utility. If the error condition persists, attempt to run
the loopback tests as described in Chapter 3,
Using the HotWire 5171 Diagostics
Utility
.