User Manual

Protocol Faults
56
Solution
Check that the tag is good and try another operation on a few more tags.
FAULT_NOT_IMPLEMENTED_FOR_THIS_PROTOCOL – 407h
Cause
A command was received which is not supported by a protocol.
Solution
Check the documentation for the supported commands and protocols.
FAULT_PROTOCOL_INVALID_WRITE_DATA – 408h
Cause
In EPC0+, the first two bits determine the tag ID length. If the first two bits are 0b00, then the
tag ID must be 96-bits. Otherwise the tag ID is 64 bits.
Solution
Make sure that the first two bit have the correct values depending in the Tag ID length.
FAULT_PROTOCOL_INVALID_ADDRESS – 409h
Cause
A command was received to write to an invalid address in the tag data address space.
Solution
Make sure that the address specified is within the scope of the tag data address space. The
protocol specifications contain information about the supported addresses.