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LED indicators
On the front panel of the Master/Slave card two LEDs indicate the status of the
link.
The icon is used to identify the signal detect function.
The icon is for data/synchronization identification.
M
S
I
N
O
U
T
1
A B
Figure K.10: LED indicators
A
icon
B
icon
The following table shows the function and possible combinations of the two
LEDs.
Table K.1: Master/Slave card front panel LED indicators
FRONT PANEL LED INDICATORS
Status Description
No Link off off
No valid characters detected/
no optical signal detected
Optical signal detection/
initialization
on off
Alignment characters detec-
ted
Receiving data on on Receiving valid data
GEN3t
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