User`s guide

Contents
Preface ............................................................ vii
Manufacturer’s Declarations ......................................... xi
1 Introduction
1.1 StorageWorks Components .................................... 1–1
1.2 SBB Shelf Description ........................................ 1–2
2 StorageWorks Status Reporting
2.1 Shelf Status ............................................... 2–2
2.1.1 SHELF_OK Signal ....................................... 2–2
2.1.2 Processing the SHELF_OK Signal ........................... 2–3
2.1.3 Backplane SHELF_OK Jumper ............................. 2–4
2.1.4 Terminator Board and Jumper Board SHELF_OK Jumpers . ....... 2–6
2.2 Shelf Status and Power Supply Status ........................... 2–8
2.3 Storage SBB Status . ........................................ 2–10
2.4 BBU Status ................................................ 2–12
3 StorageWorks Replacement Procedures
3.1 Replacing a Storage Device or a Power Unit ....................... 3–1
3.2 Replacing a Blower . . ........................................ 3–4
3.3 Replacing a StorageWorks Shelf ................................ 3–5
3.3.1 Removing a Shelf ........................................ 3–6
3.3.2 Installing a Shelf ........................................ 3–6
4 Power
4.1 Shelf Power Configuration Rules ................................ 4–1
4.2 Power Specifications . ........................................ 4–2
4.3 Universal AC and DC Input Power Supplies ....................... 4–3
4.4 Battery Backup Units ........................................ 4–4
4.5 Power Supply Replacement .................................... 4–5
4.5.1 Replacing a Shelf Power Supply.............................. 4–5
4.5.2 Replacing a BBU . ........................................ 4–6
4.6 Power Cords and Cables ...................................... 4–6
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