SMSC SMC6516TF - Manual (Page 25)

Shared Vertical LED Array and Port Select Button
At power-up, the shared vertical LED array displays the status of
port 1. To display the status of port 2, press the Port Select but-
ton located to the right of the array. Repeated depressions of
this button will cycle through all eighteen ports.
Figure 2-7. Vertical LED Array and Port Select Button
The vertical LED array is described in the following table:
A
BOUT THE
S
WITCHES
2-8
Vertical LED Array
Function Condition Description
Receive Green Data is being received
Collision Yellow Two or more devices on the segment
are transmitting at the same time
Full Yellow Port configured for full-duplex
Duplex operation (available on all ports)
100 Mbs Yellow Port is operating at 100 Mbps data rate
Off Port is operating at 10 Mbps data rate