The fiber channel (FC) service test uses the 12LOM board to replace the FC testing device (such as Smartbit) for the test. The test is to verify whether FC service lines and DUTs work in a normal state. After the 12LOM board simulates the basic functions of the FC testing device, the 12LOM board can work with the FC switch to perform an interconnection test. Generally, the test is applicable to the network entry and network deployment scenarios. The following FC service levels are supported: FC100, and FC200, and FC400.