IBM 2145-8F4 Installation Manual page 56

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26
IBM System Storage SAN Volume Controller: Installation Guide
The WWNN is in the form 50050768010XXXXX, where XXXXX is initially derived
from the unit and is specific to a SAN Volume Controller. You can change the
XXXXX value by using the front panel to facilitate service controller concurrent
replacement and to enable some concurrent upgrade operations.
The WWPNs are in the form 5005076801QXXXXX, where XXXXX is as previously
stated and Q is related to the port number as follows:
Port
1
2
3
4
Related reference
"Fibre-channel LEDs" on page 12
The fibre-channel LEDs indicate the status of the fibre-channel ports.
Value of Q
4
3
1
2