This operation returns the Equipment or Equipment Holder object.

Operation Exceptions:
1. INTERNAL_ERROR - Raised in case of non-specific EMS internal failure.
2. INVALID_INPUT - Raised when equipmentName does not reference an equipment nor an equipment holder.
3. ENTITY_NOT_FOUND - Raised when equipmentName references an equipment or equipment holder that does not exist.
4. NE_COMM_LOSS - Raised when communication to managed element is lost.
