FC-3 Common Service Features
96122 • Revision: F Chapter 5 Fibre Channel Operations 67
FC-3 Common Service Features
TABLE 5-17 lists the Common Service Parameters the libraries support for Port
Login (PLOGI):
TABLE 5-17 NL_Port Common Service Parameters, Port Login
Parameter Word Bits StorageTek FC-Tape
FC-PH Version:
Highest Version
Lowest Version
0
0
31–24
23–16
09h
09h
X
20h
Buffer-to-Buffer Credit (min.) 0 15–0 0 0
Common Features: 1 31–16
Continuously Increasing Relative
Offset
131 1 1
Random Relative Offset 1 30 0 0
Valid Vendor Version Level 1 29 0 0
N_Port/F_Port 1 28 0 0
Alternate BB_Credit Management 1 27 1 –
E_D_TOV Resolution 1 26 0 –
Reserved 1 25–23 0 –
Dedicated Simplex 1 22 0 –
Reserved 1 21–19 0 –
Dynamic Half Duplex – DHD 1 18 0 –
SEQ_CNT 1 17 0 X
Payload Length 1 16 0 –
Buffer-to-Buffer Receive Data Field
Size (min.)
1 15–0 0800h 256
Total Concurrent Sequences (min.) 2 31–16 00FFh 1
Relative Offset by Information Category =
(Information Category 1 and 5 only)
2 15–0 000Fh 0002h
Error Detect Timeout (E_D_TOV) 2 seconds 3 31–0 000007D0h 000007D0h