IBM 3745 Problem Determination Manual page 87

Communication controller
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Alerts
3745 Product Alert Reference Code 23
Alert Condition: A CCU failure occurred in twin-backup mode. All resources of the failed CCU have
been switched to the backup CCU. Fallback to the backup CCU has been completed successfully. The
resources are ready for activation.
ALARM 23 : HARDWARE ERROR: FALLBACK COMPLETE ON CCU-x
(M~lil:l:t1p.i::l:!19:1
NetView· Alert· Dynamic - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ,
Resources REQ Activation: COMM Controller BKUP
Subvector and
Code
Causes and Actions
Subfield Keys
Points
Alert
10
Number
X'23D786C9'
SV X'92'
Alert Type
X'01'
Permanent
SV X'92'
Alert Description
X'BOO4'
Resources Require Activation
SV X'92'
Probable Causes
X'3110'
Communication Controller Back-up
SV X'93'
User Causes
(none)
SV X'94' SF X'01'
Install Causes
(none)
SV X'95' SF X'01'
Failure Causes
X'3110'
Communication Controller Back-Up
SV X'96' SF X'01'
Actions
X'13A1'
Reactivate resources attached to
SV X'96' SF X'81'
X'82'
SF
(Communicatton Control Unit (x'34'))
X'OOB1'
Perform Problem Determination Procedure
X'82'
SF
at reporting location for
(Product Alert Reference Code (x'FO'))
X'2203'
Review supporting data at Alert Sender
1 .. 70
IBM 3745 Communication Controller: Problem Determination Guide
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