4-12 I/O Communication and Control 5702269-C
Advanced Energy
®
NETWORK STATUS LED
The NET bi-color (amber/green) LED indicates the status of the communication link.
The following table shows the LED’s various states and their meanings.
Table 4-6. Network Status LED
If the LED is the state indicated is which means that
Off
No power the unit is not on-line
because: 1) it has not
completed the
Dup_MAC_ID test yet;
or 2) it is not receiving
power (check the MOD
LED).
Green (steady)
Link Okay the unit is on-line and
allocated to the master.
Flashing Green
On-line, Not Connected the unit is on-line but has
no connections in its
existing state because: 1)
the unit has no
established connections
to other nodes; or 2) the
unit is not allocated to the
master.
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