chassisSerialNumberString
The serial number of the chassis. This MIB object will return the chassis serial number for any chassis that either a numeric or an alphanumeric serial number is being used.
This OID is also declared by other modules:
CISCO-STACK-MIB
Used by conformance groups
1 objects- 1.3.6.1.4.1.9.5.1.31.2.8 optionalChassisGroup