Field Replaceable Units, Exchange Assembly | HP 28642A manual

Field Replaceable Units

Field replaceable units (F’FWs) are assembliesor componentsthat are authorized for field replacement. Field replacement of faulty units must be performed by authorized service personnel. Seefigure 2-l for FRUs associatedwith the adapter card.

TERMPWRFuse

Flgure 2-1. Location of Board Component FRUs

Exchange Assembly

The adapter card assemblymay be replaced under the HP board exchangeprogram. Assemblypart numbers are listed below:

New adapter card assembly:	2%655-6ooOl
Exchange adapter card assembly:	28655-69001

Service Information 2-3

Image 40

HP 28642A manual Field Replaceable Units, Exchange Assembly, Flgure 2-1. Location of Board Component FRUs

Contents

HP 28642A HP-PB Scsi HP 28655A HP-PB SCSI/ Parallel HP HP 5960-3126 El091 @Hewlett-Packard Company, 1991. AI1rights rcservcd Safety ConsiderationsPrint History Installation and S&vice HP 28642A and HP 28655A at a Glance Product Description This Book Table of Contents Page Installing HP 28642A/28655AAdapter Lnstalllng the HP 28642A/28655A Adapter Observe Antlstatic Precautions Prepare to Install the Adapter CardVerify Product Contents Gather Tools and Accessories Needed Record Adapter Card Identification Information Peripheral to 92222A Dependent requirements that are not noted hereTable l-l. Scsi Cables LengthsDescription meters Data corruption Installing the Adapter Shut Down the System and SwZtch Off the ComputerRemove Create Check the Card’s Hardware Configuration Figure l-4. Default Switch Settings Installing the Adapter Set the Desired Parity-Checking CapabUity = closed = open Installing the Adapter l-9 Set the Scsi Bus AddressScsi Bus Address Verify that Resistor Packs are Properly Installed Two resistor packsmust be installed Install and Connect the Card Select an Appropriate Slot HP-Pa Standard Power Symbol Computer hardware limitations for l/O cards, if any Record the Slot NumberSystemperformance implications, if any Prepare the Slot For Use Ignment Hole Page Card guides. If the problem persists,get help Insert the Card into the Slot Supplied with this product provides a thumbscrew connector Attach the Card Cables Installing the Adapter l-19 Connect Your Peripheral DevicesConnect Your Single-Ended Scsi Devices Properly on the SCSIbus Terminate the Scsi Bus Device operation on the SCSIbus 12. Scsi Bus Example Installing the Adapter Scsi Cable Length Example TurnPowerOn to Peripherals, Then to the Computer Connect Your Parallel Device, If ApplicableReassemble your computer Two meters 24Installing the Adapter Signal NameIn/Out Pin25 Turn Power On to Peripherals, Then to the Computer Data corruption or loss,or damageto hardware HP-UX Systems Set Up the Operating SystemMPE XL Systems Verify Operation ServiceInformation Service Information Exchange Assembly Exchange adapter card assemblyField Replaceable Units Flgure 2-1. Location of Board Component FRUs Board Components Other FRUs Should be performed by authorized servicepersonnel only Troubleshooting ToolsSelf-lestFailure Self-Test Failure LED Boot failure occursOperation. Refer to your systemreference manuals Scsipba and Centpba Diagnostics Troubleshooting Checklist Does any device require a special SCSIterminator? Removal/Replacement Instructions Removal/Replacement of the Card For card removal, follow the procedures below Removal/Replacement of Card Components Minimize touching the connector pinsAlso be determined from the,scsipbadiagnostic Service Information 2-l Damagewasextensive, you may need a new component Type and rating Flgure 2-3. Replacing the Termpwr Fuse Service Information DiagnosticCan continue to operate normally Reshipment Guidelines General Technical Specifications1green IElectrical +5 Vdc IPhysical IEnvironmental Glossary ConfigurationAmerican National StandardsInstitute Backplane FRU Host adapter Seeadapter HP-PB Parallel port Complies with the Scsi specification X3.131 GlossaryPrecision Bus See HP-PB SCSI-2 Termination Index Index t Cable Card version...14 Identification information...l-4 installing Part number...2-3 Field replaceable units se-eFRUSFRUs...2-3 HP Precision Bus SeeHP-PB HP-PB Physical specifications...2-16 Index Loopback hood...2-4 Power Product contents...13Resistor pack...&10 Self-test failure LED...2-6 shut down Storing adapter cards...l-3 switch During installation/removal..J-6,1-19,2-10Troubleshooting..2-8 Ylrlbo~ 5960-3126 El091