HP A3550A - High Availability Disk Arrays Model 20 Storage Enclosure User Manual page 122

Determine the Locations of the Fibre Channel Connectors
FC address
switches-
SP A
FC
interface
PCA
SP-A
Figure 3-2 Fibre Channel Connector Locations
Connect the Disk Array to a Host System or an HP FC-AL Hub
3-10 Make the Fibre Channel Connection to the Host
FC FC address
connectors switches-
SP A SP B
FC
connectors
SP B
SP-B
BBU