Service manual

Contents
Preface ............................................................ ix
1 Introducing the SA7x Enclosure
1.1 SA7x Enclosure Overview ..................................... 1–1
1.2 RA7x and SA7x Configurations . ................................ 1–6
1.3 SA7x Specifications . . ........................................ 1–9
1.4 User Precautions ............................................ 1–10
1.4.1 Data Recovery . . . ........................................ 1–10
1.4.2 Recommended Operating Temperature . ....................... 1–11
1.4.3 Electrostatic Discharge Protection ............................ 1–11
2 SA7x Technical Description
2.1 SA7x Chassis ............................................... 2–1
2.2 SA7x Frame ................................................ 2–3
2.3 SA7x Fan Assembly . . ........................................ 2–5
2.4 SA7x OCP and Transition Board Assembly . ....................... 2–6
2.5 SA7x Power Supply . . ........................................ 2–10
2.6 SA7x Enclosure Internal Cabling ................................ 2–14
3 Installing the SA7x
3.1 SA7x Installation Overview .................................... 3–1
3.1.1 Power and Safety . ........................................ 3–1
3.1.2 Recording Disk Drive Serial Numbers . . ....................... 3–1
3.2 Selecting Line Input Voltage . . . ................................ 3–2
3.3 Performing a Post-Installation Checkout and Power-Up .............. 3–2
3.4 Setting Drive Unit Numbers . . . ................................ 3–5
3.5 Installing an Add-On SA7x Enclosure in an SA900 Storage Array ...... 3–6
3.5.1 General Installation Considerations........................... 3–6
3.6 Preparing the SA900 Cabinet . . ................................ 3–9
3.7 Guide Rail Plate Installation . . . ................................ 3–11
3.8 Left Position Guide Rail Plate Installation . ....................... 3–11
3.9 Right Position Guide Rail Plate Installation ....................... 3–13
3.10 Preparing the SA7X Enclosure . . ................................ 3–14
3.11 Installing the SA7X Enclosure . . ................................ 3–15
3.11.1 Completing the Installation . ................................ 3–19
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