IBM Multiprise 3000 S/390 Installation Manual page 53

4 Power Switches
1. At each OCA insure that both the power
and the UEPO BYPASS switches are in the
normal position.
2. Repeat this step for each frame.
5 CBU Power switches
1. If installed insure that each CBU (Crypto
Battery Unit) switch is in the Enabled
position if installed. All models DO NOT
support CBU.
Note: The CBU's are located on each
OCA of the CPC frame.
2. Repeat this step for each CPC frame.
SVC
UEPO
BYPASS
NORM
SVC
PWR
NORM
Chapter 4. System Power-On
PWR OUT PWR OUT
OCA FLT OCA FLT
LOAD FLT LOAD FLT
OT FLT OT FLT
AMD FLT AMD FLT
IBF FLT IBF FLT
SVC SVC
UEPO UEPO
BYPASS BYPASS
NORM NORM
J4 J4
J3 J3
J2 J2
PWR IN PWR IN
SVC SVC
PWR PWR
NORM NORM
J1 J1
4-3