If the system is running, you can ssh/telnet to and run
show enclosure-status
this will show the chassis serial within the first lines.
IIRC the serial is on a sticker near the slots of the power supplies - very small.
If the system is running, you can ssh/telnet to and run
show enclosure-status
this will show the chassis serial within the first lines.
IIRC the serial is on a sticker near the slots of the power supplies - very small.