User manual QUANTUM 2U RACKMOUNT COMPONENT REPLACEMENT GUIDE

[. . . ] 2U Rackmount Component Replacement Guide, 81-81720-01, Rev A, December 2006, Made in USA. Quantum Corporation provides this publication "as is" without warranty of any kind, either express or implied, including but not limited to the implied warranties of merchantability or fitness for a particular purpose. Quantum Corporation may revise this publication from time to time without notice. COPYRIGHT STATEMENT Copyright 2006 by Quantum Corporation. [. . . ] Note: There are six connectors on the PCBA -- choose any two on each side per fan module. 2U Rackmount Component Replacement Guide 27 Chapter 3 Fans Installing a Fan Module 4 Move the tape drive power cable assembly from the power supply compartment to the tape drive rear panel as follows: a Gently pull the tape drive power cable assembly through the opening in the power supply compartment wall (see figure 21). Figure 21 Tape Drive Power Cable Assembly from Power Supply Compartment b c Gently lift the fan module upward just a little. While holding the fan module up, pull the tape drive power cable assembly under the fan module and through the slot in the fan mounting wall (see figure 22). Note: Be sure to align the power cable connector so that it passes through the slot easily. 2U Rackmount Component Replacement Guide 28 Chapter 3 Fans Installing a Fan Module Figure 22 Tape Drive Power Cable Assembly under Fan Module 5 Seat the fan module in the unit, and then install the thumbscrew securing the fan module to the unit. Figure 23 Fan Module Thumbscrew 2U Rackmount Component Replacement Guide 29 Chapter 3 Fans Installing a Fan Module 6 Connect the tape drive power cable assembly to the rear panel of the tape drive. 7 Replace the 2U Rackmount cover (see Replacing the Cover on page 5). 8 Slide the unit back into the equipment rack and secure it to the rack (see Sliding the 2U Rackmount Into the Equipment Rack on page 4). 9 Connect the unit power cable at the rear panel (see Connecting Power on page 3). 10 Turn on power to the unit by pressing and holding the power button on the front panel for one second. 11 Turn on any peripheral devices you turned off earlier. 12 Turn on the host computer. 2U Rackmount Component Replacement Guide 30 Chapter 4 4Power Supply The 2U Rackmount unit contains a single power supply that connects to both tape drives in the unit, supplying them with power. If the unit power supply fails, neither tape drive operates. This chapter describes how to perform these tasks: · Removing a Power Supply · Installing a Power Supply Warning: Electric Shock Hazard. Voltage or current sufficient to cause shock, burn, or death may be present on the power supply. To reduce exposure to electric shock: - Disconnect power from the 2U Rackmount before performing any service. - Replace the power supply unit as a whole. Figure 24 shows the power supply location in the unit. It also shows the location of other unit components mentioned in the procedure. 2U Rackmount Component Replacement Guide 31 Chapter 4 Power Supply Removing a Power Supply Figure 24 Power Supply and Adjacent Walls Power supply Rear retaining bracket Ground wire Front retaining bracket Power Supply Compartment Walls Fan Mounting Wall PCBA Removing a Power Supply To remove a power supply from the 2U Rackmount: 1 Turn off the host computer and all peripheral devices. 2 Turn off and disconnect power to the 2U Rackmount (see Disconnecting Power on page 2. 3 Slide the 2U Rackmount out of the equipment rack and into the service position (see Sliding the 2U Rackmount Out of the Equipment Rack on page 4). 4 Remove the 2U Rackmount cover (see Removing the Cover on page 5). 5 Remove the thumbscrew securing the fan module to the unit. Set the thumbscrew aside for re-use. 2U Rackmount Component Replacement Guide 32 Chapter 4 Power Supply Removing a Power Supply 6 Disconnect the tape drive power cable assembly from the rear panel of all tape drives installed in the 2U Rackmount as follows: a b Gently lift the fan module upward just a little. While holding the fan module up, pull the tape drive power cable assembly through a slot in the fan mounting wall and under the fan module (see figure 25). Note: Be sure to align the power cable connector so that it passes through the slot easily. To avoid personal injury or damaging the power cable assembly or connector, apply only light pressure when pulling the cable through the fan mounting wall. Caution: Figure 25 Tape Drive Power Cable Assembly under Fan Module c d Allow the fan module to return to its original position. [. . . ] The SCSI controller terminates one end, while a terminator on the unit terminates the other end. 2U Rackmount Component Replacement Guide 73 Appendix A SCSI ID and Connections Making SCSI Connections in a Daisy Chain Figure 58 Connecting SCSI as a Single Unit SCSI Terminator SCSI Cable 6 Connect one end of the SCSI cable to the lower connector on the back of the unit. 7 Connect the other end of the SCSI cable to the SCSI connector on the host computer. 8 Turn on power to the 2U Rackmount by pressing and holding the power button on the front panel for one second. 9 Turn on any peripheral devices you turned off earlier. [. . . ]