Are there any configuration mismatches?v No: Continue with the next step.v Yes: Ask your next level of support for assistance.This ends the procedure.11. You have verified the repair of the system bus.a. If for this service action only an expansion tower was powered off or only the concurrentmaintenance function was used for an IOP or IOA, then go to step 12 (See page 103).b. Otherwise, perform the following to return the system to the customer:1) Power off the system/logical partition.2) Select the operating mode with which the customer was originally running .If the system was powered off, select the mode on the system control panel. If a secondarypartition was powered off, select the mode on the Work with Partition Status display underDST. See the iSeries Service Functions book.3) Power on the system/logical partition.12. If the system has logical partitions and the entry point SRC was B600 xxxx, then check for relatedproblems in other logical partitions that could have been caused by the failing part. See the iSeriesService Functions book.This ends the procedure.Communications PIPFor use by authorized service providers.This topic contains the procedure necessary to isolate a communications failure. Please heed the followingwarnings when using this procedure.DANGERTo prevent a possible electrical shock when adding or removing any devices to or from the system, ensurethat the power cords for those devices are unplugged before the signal cables are connected ordisconnected. If possible, disconnect all power cords from the existing system before you add or remove adevice. (RSFTD203)DANGERTo prevent a possible electrical shock during an electrical storm, do not connect or disconnect cables orstation protectors for communications lines, display stations, printers, or telephones. (RSFTD003)DANGERTo prevent a possible electrical shock from touching two surfaces with different electrical grounds, use onehand, when possible, to connect or disconnect signal cables. (RSFTD004)DANGERTo prevent power from switching on automatically during service procedures, select manual or secure modeon the system unit control panel or disconnect the cables that connect to J15 and J16 on the frame beingserviced. (RSFTD211)COMM-PIP1: Read the warning notices above before working on a system.Analyze hardware problems 103