Preface Use this guide to install one or more BA42 DSSI expanders, to add a drive to a BA42 DSSI expander, and to verify that DSSI switches have been set correctly for each drive in a BA42 DSSI expander. This guide describes the following: •...
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 BA42 DSSI Storage Expander 1–1...
Standing an 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.
After determining the DSSI ID number to be assigned to the first drive, use the DSSI ID switches on the rear of the expander box to set the ID to that number (see Section 1.4). 1–4 Installing the BA42 DSSI Storage Expander...
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 switches or the drive indicator LEDs. Installing the BA42 DSSI Storage Expander 1–5...
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...
first available ID outside of the CPU cabinet. If necessary, use a pen or small pointed object to flip the switches to set the DSSI ID of the first drive to the appropriate number (see Table 1–1). Installing the BA42 DSSI Storage Expander 1–7...
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 drive has faulted. See Figure 1–5. 1–8 Installing the BA42 DSSI Storage Expander...
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 expander to another. Installing the BA42 DSSI Storage Expander 1–9...
(see Figure 1–6). Figure 1–6 Removing the DSSI Terminator from the System Unit MLO-010030 DSSI terminator 1–10 Installing the BA42 DSSI Storage Expander...
1.6 Installing 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 MLO-010029 DSSI cable Installing the BA42 DSSI Storage Expander 1–11...
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 MLO-010022 DSSI cable 1–12 Installing the BA42 DSSI Storage Expander...
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...
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...
2. Connect the other end of the cable to the left-hand connector on the box you are installing. 3. Connect the terminator to the empty connector on the final expander box. Installing the BA42 DSSI Storage Expander 1–15...
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...
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 Power cord Installing the BA42 DSSI Storage Expander 1–17...
Installing a BA42 Storage Expander Upgrade Note Use this chapter in lieu of the Installation Guide, EK–RF31T–IN, supplied with the RF3x-EK option shipment. This chapter includes the following topics: • Checking the shipment to make sure nothing is broken or missing •...
Installing a BA42 Storage Expander Upgrade 2.2 Preparing the Expander Box 2.2 Preparing the Expander Box Caution To prevent damage to equipment, take the following precautions: • Only qualified service personnel should remove the cover or install drives. • Static electricity can damage integrated circuits. Always use a grounded wrist strap and a grounded work surface (29–26246) when working with the internal parts of a computer system.
Installing a BA42 Storage Expander Upgrade 2.2 Preparing the Expander Box Figure 2–1 Removing the Cover from the Expander Box MLO-010048 Cover release screws 2.3 Installing an RF3x-EK Hard Disk Drive These are the general steps to install a hard disk drive in the BA42 expander box: •...
Installing a BA42 Storage Expander Upgrade 2.3 Installing an RF3x-EK Hard Disk Drive 2.3.1 Attach the 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 Shock isolator rubber foot...
Installing a BA42 Storage Expander Upgrade 2.3 Installing an RF3x-EK Hard Disk Drive 2.3.2 Determine the Drive Location Each RF3x-EK hard disk drive must be placed in a specific location within the BA42 expander box. Figure 2–3 shows the appropriate location for the first and all subsequent drives.
Installing 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 Signal cable 2–6 Installing a BA42 Storage Expander Upgrade...
Page 33
Installing 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 Signal cable Installing a BA42 Storage Expander Upgrade 2–7...
Installing a BA42 Storage Expander Upgrade 2.3 Installing an RF3x-EK Hard Disk Drive 2.3.4 Connect the 5-Pin Power Cable Connect the appropriate 5-pin power connector to the drive. The keyed tab on top of the connector slides into the corresponding slot on the drive, as shown in Figure 2–6.
Installing a BA42 Storage Expander 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 Drive 1 power cable RFP connectors ¡ Drive 4 power cable ¢ Installing a BA42 Storage Expander Upgrade 2–9...
Installing a BA42 Storage Expander 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 Drive 2 power cable RFP connector ¡ Drive 3 power cable ¢ 2–10 Installing a BA42 Storage Expander Upgrade...
Installing a BA42 Storage Expander Upgrade 2.3 Installing an RF3x-EK Hard Disk Drive 2.3.5 Connect the 12-Pin RFP Cable The Remote Front Panel cables will already be in place on the 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.
Installing a BA42 Storage Expander Upgrade 2.3 Installing an RF3x-EK Hard Disk Drive Figure 2–10 RFP Cables in the Expander Box MLO-010040 RFP cables for drives 1 and 2 RFP cables for drives 4 and 3 ¡ 2–12 Installing a BA42 Storage Expander Upgrade...
Installing a BA42 Storage Expander Upgrade 2.3 Installing an RF3x-EK Hard Disk Drive 2.3.6 Install the Drive in the Expander Box Tilt the drive until you can place the shock isolator rubber feet on the bottom of the drive into the four keyhole-shaped openings in the floor of the box. See Figure 2–11.
Installing a BA42 Storage Expander Upgrade 2.3 Installing an RF3x-EK Hard Disk Drive Figure 2–12 Fastening an RF3x-EK Hard Disk Drive in the Expander Box MLO-010047 Metal spring tab Rubber drive shipping bracket support ¡ 2.3.7 Replace the Cover on the Expander Box Position the cover so it rests on top of the box about 3 inches short of the back of the box.
Installing a BA42 Storage Expander Upgrade 2.3 Installing an RF3x-EK Hard Disk Drive Figure 2–13 Replacing the Cover on the BA42 Expander MLO-010049 Cover release screws 2.4 DSSI ID Switch 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).
Page 43
Reader’s Comments BA42 DSSI Expander Installation Manual EK–BA42C–IN. A01 Your comments and suggestions help us improve the quality of our publications. Please rate the manual in the following categories: Excellent Good Fair Poor Accuracy (product works as described) Completeness (enough information)
Page 44
Do Not Tear – Fold Here and Tape NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES BUSINESS REPLY MAIL FIRST CLASS PERMIT NO. 33 MAYNARD MASS. POSTAGE WILL BE PAID BY ADDRESSEE DIGITAL EQUIPMENT CORPORATION INFORMATION DESIGN AND CONSULTING PKO3–1/D30 129 PARKER STREET MAYNARD, MA 01754–9975...
Need help?
Do you have a question about the BA42 DSSI and is the answer not in the manual?
Questions and answers