Dell PowerConnect M8428-k User Manual page 11

Dell -10GbE PTM
network is discovered over the physical link. A valid data activity link without data transfer is des-
ignated by a constant yellow LED indication. A valid data activity link with data transfer is desig-
nated by a blinking yellow LED indication. If the LEDs are not active, either the physical link or
the logical link (or both) connections have not been established.
Indication
Figure 6: Physical and Logical Link Indications
LED
Green
Yellow
OFF OFF
ON OFF
BLINKING OFF
ON ON
ON BLINKING
Port Status
OFF
Physical link up
No logical link
Problem with the physical link
No logical link
Physical link up
Logical link up, no data transfer
Physical link up
Logical link up, with data transfer
Rev 1.0
11