IBM H Series Installation And Service Manual page 340

Base High Availability Solution AC Power Connections
Power
Supply
7133-020
External SSA
Subsystem
Power Power Power
Supply Supply Supply
4
Index Part/Feature
Number
4 67G1246
Note: The only way to ensure a truly robust HA operation is to connect the optional
second 7133 Serial Disk System, as shown in the dotted lines above.
A-4
RS/6000 Enterprise Server Model H Series Installation and Service Guide
H50
Node 1
Power
Power
Supply
Supply
Power Power
Distribution Distribution
Unit Unit
Main Power Main Power
Circuit #1 Circuit #2
Units Per Description
1 or 2 Power Cable, PDU to 7133
H50
Node 2
Power
Supply
Optional 2 nd
7133-020
External SSA
Subsystem
Power Power Power
Supply Supply Supply
4