IBM H SERIES RS/6000 - Manual (Page 211)

For this example, the Link Verification service aid displays the following information:
┌──────────────────────────────────────────────────────────────────────────────────┐
│ LINK VERIFICATION
8 2386 │
│ │
│ SSA Link Verification for: │
│ ssa1 - 5 SSA ADAPTER │
│ │
│ To set or reset Identify, move cursor onto selection, then press Enter. │
│ │
│ Physical Serial# Adapter Port │
│ │
│ A1 A2 B1 B2 Status │
│ {TOP} │
│ pdisk nnnnnnnn Good │
│ pdisk1 nnnnnnnn 1 Good │
│ pdisk2 nnnnnnnn 2 Good │
│ pdisk3 nnnnnnnn 3 Good │
│ pdisk4 nnnnnnnn 4 Good │
│ pdisk5 nnnnnnnn 5 Good │
│ pdisk6 nnnnnnnn 6 Good │
│ pdisk7 nnnnnnnn 7 Good │
│ pdisk8 nnnnnnnn 3 Good │
│ pdisk9 nnnnnnnn 1 2 Good │
│ {MORE} │
│ │
│ F3=Cancel F1 =Exit │
│ │
└──────────────────────────────────────────────────────────────────────────────────┘
Note that the column for adapter connector A2 shows no connections.
Chapter 7. Using the Service Aids 7-51