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Installing the BA42 DSSI Storage Expander

1.7 Connecting One Expander to Another Expander

Connect the prongless end of a power cord to each expander box and plug the

pronged end of each cord into a power outlet or power strip as depicted in

Figure 1–13.

Figure 1–13 Connecting Power Cords to Expander Boxes

MLO-010027

1

Power cord

Installing the BA42 DSSI Storage Expander 1–17

Summary of Contents for BA42 DSSI

Page 1: ...BA42 DSSI Expander Installation Manual Order Number EK BA42C IN A01 December 1992 Digital Equipment Corporation Maynard Massachusetts ...

Page 2: ...4000 VAXserver and the Digital logo are trademarks of Digital Equipment Corporation All other trademarks and registered trademarks are the property of their respective holders FCC NOTICE This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful inter...

Page 3: ...1 6 Installing an Expander 1 9 1 6 1 Turn Power Off 1 10 1 6 2 Remove the Terminator from the DSSI Connector on the System Unit 1 10 1 6 3 Connect the DSSI Cable to the System Unit 1 11 1 6 4 Connect the DSSI Cable to the Expander 1 12 1 6 5 Connect the Terminator 1 13 1 6 6 Connect the Power Cord 1 13 1 7 Connecting One Expander to Another Expander 1 14 1 7 1 Turn Power Off 1 14 1 7 2 Remove the ...

Page 4: ...SI ID Switch Cover from the Expander 1 6 1 4 LED Indicators and DSSI ID Switches for Hard Disk Drives 1 7 1 5 Drive Indicator Panel LEDs 1 9 1 6 Removing the DSSI Terminator from the System Unit 1 10 1 7 Connecting a DSSI Cable to the System Unit 1 11 1 8 Connecting a DSSI Cable to the Expander 1 12 1 9 Connecting a Terminator to the Expander 1 13 1 10 Connecting a Power Cord to an Expander 1 14 1...

Page 5: ...bles in the Expander Box 2 12 2 11 Inserting an RF3x EK Hard Disk Drive in the Expander Box 2 13 2 12 Fastening an RF3x EK Hard Disk Drive in the Expander Box 2 14 2 13 Replacing the Cover on the BA42 Expander 2 15 Tables 1 1 DSSI ID Numbers and Switch Settings for Hard Disk Drives in the Expander Box 1 8 v ...

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Page 7: ...t DSSI switches have been set correctly for each drive in a BA42 DSSI expander This guide describes the following How to install one or more expanders How to install new drives inside BA42 DSSI expanders How to make sure the drives inside a BA42 DSSI expander are recognized by the system and what to do if they are not vii ...

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Page 9: ...D switches for Digital supplied hard disk drives installed in the BA42 expander Attaching the expander to the system unit Attaching one expander to another expander Ensuring that the system recognizes the drive or drives inside the expander 1 1 Checking the Shipment When you unpack the carton that contains a BA42 DSSI expansion box you will find all of the items shown in Figure 1 1 Installing the ...

Page 10: ...der Box Shipment MLO 009778 1 2 6 4 5 3 Documentation DSSI expander box Rubber drive shipping bracket supports up to three DSSI terminator DSSI cable Power cord In Europe the power cord may not be included it is an optional item which may be ordered from a menu 1 2 Installing the BA42 DSSI Storage Expander ...

Page 11: ...n expander on its side blocks vents and can damage the expander and any drives it contains Set up the BA42 DSSI expander on a flat surface as near as possible to the system unit If you are installing more than one expander you can stack the boxes on top of each other Make sure the on off switch on the expander is in the off position see Figure 1 2 Installing the BA42 DSSI Storage Expander 1 3 ...

Page 12: ...ning with the number assigned to the first drive Numbers that can be used range from 0 to 7 up to seven DSSI drives can be connected to a given DSSI connector on the system unit each number may be used only once via that connector To find out what DSSI ID numbers are available see the option installation instructions in the installation guide or user s guide for the system After determining the DS...

Page 13: ...ard disk drives preinstalled in your expander check the DSSI ID switch setting for the first drive and change the setting if necessary Settings for the remaining hard disks are then automatically incremented 1 4 1 Remove the DSSI ID Switch Cover from the Expander Access the DSSI ID switches by lifting up and removing the switch cover see Figure 1 3 Replace the switch cover after checking the switc...

Page 14: ...SI ID Switch Setting on the Expander If there is a hard disk drive installed in the expander the three DSSI ID switches on the back of the box determine the DSSI ID switch setting for the first drive see Figure 1 4 The DSSI IDs for additional hard drives are automatically incremented by one as they are added no further action is necessary 1 6 Installing the BA42 DSSI Storage Expander ...

Page 15: ...et at the factory to the ID number zero with all three switches set to open down down and down However if the expander is ordered with a CPU that has storage embedded the ID of the system disk drive in the CPU is set to zero and the first drive in the expander box is the first available ID outside of the CPU cabinet If necessary use a pen or small pointed object to flip the switches to set the DSS...

Page 16: ... Down Down Down 1 2 3 4 Down Down Up 2 3 4 5 Down Up Down 3 4 5 6 Down Up Up 4 5 6 7 Up Down Down 5 6 7 0 Up Down Up 6 7 0 1 Up Up Down 7 0 1 2 Up Up Up 1 5 Drive Indicator Panel The drive indicator panel is located under the DSSI switch cover see Figure 1 3 The number of drives present is indicated by one to four green LEDs The panel also lights one of four amber LEDs to indcate that a particular...

Page 17: ...ure indicator amber LED Drive 3 failure indicator amber LED Drive 4 failure indicator amber LED Drive 1 OK indicator green LED Drive 2 OK indicator green LED Drive 3 OK indicator green LED Drive 4 OK indicator green LED 1 6 Installing an Expander If you are adding an expander to a system that already has an expander fully installed turn to Section 1 7 3 for instructions on how to connect one expan...

Page 18: ...rom the DSSI Connector on the System Unit If there is a terminator on the DSSI connector on the back of the system unit remove it by squeezing the release tab on the sides of the terminator and pulling the terminator out of the connector see Figure 1 6 Figure 1 6 Removing the DSSI Terminator from the System Unit 1 MLO 010030 DSSI terminator 1 10 Installing the BA42 DSSI Storage Expander ...

Page 19: ...talling an Expander 1 6 3 Connect the DSSI Cable to the System Unit Figure 1 7 depicts the proper installation of a DSSI cable Figure 1 7 Connecting a DSSI Cable to the System Unit 1 MLO 010029 DSSI cable Installing the BA42 DSSI Storage Expander 1 11 ...

Page 20: ... connectors on the expander See Figure 1 8 If you are installing more than one expander turn to Section 1 7 3 after connecting the DSSI cable to the first expander If you are installing only one box turn to Section 1 6 5 to connect the terminator Figure 1 8 Connecting a DSSI Cable to the Expander 1 MLO 010022 DSSI cable 1 12 Installing the BA42 DSSI Storage Expander ...

Page 21: ...ing a Terminator to the Expander 1 MLO 010031 DSSI terminator 1 6 6 Connect the Power Cord Note Digital suggests that all power cords for the system be plugged into a single source of power such as a power strip Connect the prongless end of the power cord to the expander and plug the pronged end into a power outlet or power strip see Figure 1 10 Installing the BA42 DSSI Storage Expander 1 13 ...

Page 22: ...0 Connecting a Power Cord to an Expander MLO 010024 1 Power cord 1 7 Connecting One Expander to Another Expander This section describes attaching an expander box to a system that already has one or more expander boxes fully installed 1 7 1 Turn Power Off Turn off power first to the expanders and then to the system unit 1 14 Installing the BA42 DSSI Storage Expander ...

Page 23: ...the terminator out of the connector see Figure 1 11 Figure 1 11 Removing a Terminator from an Expander 1 MLO 010023 DSSI terminator 1 7 3 Connect the DSSI Expander Cable and Terminator 1 Connect the three foot DSSI expander cable to the empty connector on the last box connected to the system unit 2 Connect the other end of the cable to the left hand connector on the box you are installing 3 Connec...

Page 24: ...e and the terminator Figure 1 12 Connecting the Three Foot DSSI Cable and Terminator to the Final Expander 1 2 MLO 010026 Three foot DSSI cable DSSI terminator 1 7 4 Connect the Power Cords Note Digital suggests that all power cords for the system be plugged into a single source of power such as a power strip 1 16 Installing the BA42 DSSI Storage Expander ...

Page 25: ...er Connect the prongless end of a power cord to each expander box and plug the pronged end of each cord into a power outlet or power strip as depicted in Figure 1 13 Figure 1 13 Connecting Power Cords to Expander Boxes MLO 010027 1 Power cord Installing the BA42 DSSI Storage Expander 1 17 ...

Page 26: ...d expander boxes 3 Be sure all expander box cables are connected securely 4 Be sure all power cords are connected securely 5 Be sure the DSSI terminator is attached securely to the expander box 6 Be sure the internal cables are connected securely to the drive 7 Check the expander box cable connector for damaged pins 8 Check the DSSI ID switch settings 9 Check the drive indicator lights 10 Turn on ...

Page 27: ...nstalling a hard disk drive inside an expander box 2 1 Checking the Shipment Note In addition to the items that make up the shipment you will need a Phillips screwdriver If you ordered an RF3x EK hard disk drive the shipment will include in addition to the drve Drive mounting bracket Four rubber mounts with integral screws If any item is broken or missing contact the system manager or Digital serv...

Page 28: ...ives the procedures in this document assume that the operating system has been shut down first Turn off the system power before you remove or install drives see Section 2 2 1 Prepare the expander box for the addition of a drive 1 Turn off all power Section 2 2 1 2 Remove the cover Section 2 2 2 2 2 1 Turn Power Off Turn off power first to all expander boxes then to the system unit and remove the p...

Page 29: ...to install a hard disk drive in the BA42 expander box Attach the drive bracket and shock isolator rubber feet see Section 2 3 1 Determine the appropriate location see Section 2 3 2 Connect the DSSI signal cable see Section 2 3 3 Connect the power cable see Section 2 3 4 Connect the Remote Front Panel RFP cable see Section 2 3 5 Install the drive in the expander box see Section 2 3 6 Installing a B...

Page 30: ...he Drive Bracket and Shock Isolator Rubber Feet Using a Phillips screwdriver attach the drive bracket and four shock isolator rubber feet to the drive as shown in Figure 2 2 Figure 2 2 Drive Bracket MLO 010045 1 2 Shock isolator rubber foot Drive bracket 2 4 Installing a BA42 Storage Expander Upgrade ...

Page 31: ...es Figure 2 3 Drive Locations Inside the BA42 Expander Box MLO 010032 1 4 2 3 2 3 3 Connect the 50 Pin DSSI Cable Connect the appropriate 50 pin DSSI connector to the drive see Figure 2 4 The keyed tab on the bottom of the connector slides into the corresponding slot on the drive The drive must only be attached to the DSSI signal cable with the appropriate connector for that drive see Figure 2 5 t...

Page 32: ...nstalling a BA42 Storage Expander Upgrade 2 3 Installing an RF3x EK Hard Disk Drive Figure 2 4 Connecting 50 Pin DSSI Signal Cable MLO 010034 1 Signal cable 2 6 Installing a BA42 Storage Expander Upgrade ...

Page 33: ... a BA42 Storage Expander Upgrade 2 3 Installing an RF3x EK Hard Disk Drive Figure 2 5 50 Pin DSSI Signal Cable in the Expander Box MLO 010035 1 1 4 3 2 Signal cable Installing a BA42 Storage Expander Upgrade 2 7 ...

Page 34: ...own in Figure 2 6 The drive must only be attached to the power cable with the appropriate connector for that drive see Figure 2 7 and Figure 2 8 to determine which connector to use for each drive The connections to the Remote Front Panel RFP detailed in Figure 2 7 and Figure 2 8 will already be in place they are included here as an aid in troubleshooting Figure 2 6 Connecting the 5 Pin Power Cable...

Page 35: ... Upgrade 2 3 Installing an RF3x EK Hard Disk Drive Figure 2 7 Power Cables for Drives 1 and 4 in the Expander Box MLO 010037 3 1 2 1 4 Drive 1 power cable RFP connectors Drive 4 power cable Installing a BA42 Storage Expander Upgrade 2 9 ...

Page 36: ... Upgrade 2 3 Installing an RF3x EK Hard Disk Drive Figure 2 8 Power Cables for Drives 2 and 3 in the Expander Box MLO 010038 2 3 2 3 1 Drive 2 power cable RFP connector Drive 3 power cable 2 10 Installing a BA42 Storage Expander Upgrade ...

Page 37: ...RFP Attach the appropriate RFP cable to the drive The cable is attached so that it extends downward from the drive as shown in Figure 2 9 The drive must only be attached to the appropriate RFP cable for that drive see Figure 2 10 to determine which cable to use for each drive Figure 2 9 Connecting the RFP Cable MLO 010039 1 RFP cable Installing a BA42 Storage Expander Upgrade 2 11 ...

Page 38: ... Upgrade 2 3 Installing an RF3x EK Hard Disk Drive Figure 2 10 RFP Cables in the Expander Box MLO 010040 1 4 2 3 1 2 J1 J2 J3 J4 RFP cables for drives 1 and 2 RFP cables for drives 4 and 3 2 12 Installing a BA42 Storage Expander Upgrade ...

Page 39: ...he Expander Box MLO 010046 1 Shock isolator rubber foot Slide the drive toward the small end of the keyhole shaped openings so that the slots on the shock isolator rubber feet engage the hole and the metal spring tab on the expander box floor fits into the appropriate slot on the drive bracket see Figure 2 12 Note Support is required if the expander box is to be shipped or moved in that case inser...

Page 40: ... Position the cover so it rests on top of the box about 3 inches short of the back of the box Move the cover straight toward the back of the box until it slips into place see Figure 2 13 Tighten the two cover release screws on the back of the box and plug in the power cord Caution Make sure the internal cables are pushed down into the box before replacing the cover Closing the cover on the cables ...

Page 41: ...itch Settings The three DSSI ID switches on the back of the box determine the DSSI ID switch setting for the first drive see Section 1 4 The DSSI IDs for additional hard drives are automatically incremented by one as the drives are added and brought on line no further action is necessary To verify the system configuration see Section 1 8 Installing a BA42 Storage Expander Upgrade 2 15 ...

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Page 43: ...ganization structure of subject matter Figures useful Examples useful Table of contents ability to find topic Index ability to find topic Page design overall appearance Print quality What I like best about this manual What I like least about this manual Additional comments or suggestions I found the following errors in this manual Page Description For which tasks did you use this manual Installati...

Page 44: ...ASS PERMIT NO 33 MAYNARD MASS POSTAGE WILL BE PAID BY ADDRESSEE NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES DIGITAL EQUIPMENT CORPORATION INFORMATION DESIGN AND CONSULTING PKO3 1 D30 129 PARKER STREET MAYNARD MA 01754 9975 Do Not Tear Fold Here and Tape ...

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