User Guide
Take Apart I/O Door - 120
Serial Number and
Ethernet Address
The serial number and
Ethernet hardware address
are located on the inside
panel of the I/O door.
Replacement logic boards
ship with an Ethernet label.
If you replace the logic
board, you must affix the
new label over the existing
Ethernet label (located on
the I/O panel) above the
serial number. IMPORTANT:
Do NOT cover up the serial
number information that is
printed on the existing label.










