Seagate 77767496 Product Manual page 106

Node Name of Originator
49
This is the unique 8 byte identifier for the initiator sending the ADISC. Refer to Table 23 for the format of the Node Name.
N_Port ID of Originator
49
This is the 24 bit NL_Port Identifier used in the S_ID of the ADISC. The lower 8 bits are the AL_PA the initiator acquired
during loop initialization.
Port Name of Originator
49
This is the unique 8 byte identifier for the initiator port sending ADISC. Refer to Table 23 for the format of the Port Name.
92 Fibre Channel Interface Manual, Rev. D