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100

Chapter 3: Subsystem Monitoring

I2C Monitoring

3-11

Note that the trigger point on temperature for raising the rotation speed of cooling fans is

pre-adjusted according to environment tests and might not coincide with the temperature

thresholds.

3.3.2 Failed Devices

If any of the following devices fail, the audible alarm will be triggered:

♦ Cooling modules

♦ PSU modules

♦ BBU module

♦ Hard drives

♦ Components on the RAID controller

3.4 I

C Monitoring

Module presence detection and the general working status of cooling fan and other

modules are monitored through an I

C serial bus. If any of these modules fails, the failure

will be detected and you will be notified via the various methods described above.

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Galaxy Raid 1
Installation and Hardware 1
Reference Manual 1
Contact Information 2
Warnings and Certifications 4
(Certified Worldwide) 5
CNS 13438 (for Taiwan) 5
Table of Contents 6
APPENDIX A SPECIFICATIONS 8
APPENDIX C PINOUTS 8
Safety Precautions 9
About This Manual 9
Revision History 10
Who should read this manual? 10
Conventions 10
Warnings 11
Cautions 11
Chapter 1 13
Introduction 13
1.1.2 Model Variations 14
1.1.3 Enclosure Chassis 14
1.1.3.1 Chassis Overview 14
CAUTION! 16
1.1.3.2 Physical Dimensions 16
1.1.3.5 Rear Panel Overview 18
1.2. Subsystem Components 19
WARNING! 21
DIMM Module 23
1.2.4 Optional BBU Module 23
1.2.5 Power Supply Units 24
1.3. Subsystem Monitoring 26
1.4.3 Normalized Airflow 28
Chapter 2 29
Hardware Installation 29
2.3 Safety Precautions 30
2.5 Unpacking the Subsystem 34
2.6 Installation Overview 35
2.7 Rackmounting 36
Figure 2-4: Front Ear Holes 37
2.8 BBU Installation 38
IMPORTANT! 39
2.9 Hard Drive Installation 40
2.9.3 Drive Installation 41
2.10 Drive Tray Installation 42
Chapter 3 45
Subsystem Monitoring 45
3.2 Status-indicating LEDs 47
3.2.3 LAN Port LEDs 49
3.2.4 LCD Keypad Panel 50
3.2.5 Drive Tray LEDs 51
3.2.6 PSU Module LED 51
3.2.7 Cooling Module LED 52
3.2.8 BBU Module LED 53
3.3 Audible Alarm 54
C Monitoring 55
This page is intentionally 56
Chapter 4 57
Subsystem Connection and 57
Operation 57
4.1.3 SFP Transceivers 58
4.1.5 Points of Failure 59
4.2 Power On 62
4.2.3 Power On Enclosure 63
4.2.4 Power On Status Check 63
4.2.5 LCD Screen 64
GALAXYHD 64
4.3 Power Off Procedure 65
Subsystem Maintenance and 67
Upgrading 67
5.2.1 Overview 69
NOTE: 73
5.4. Replacing a Faulty BBU 74
5.7. Drive Tray Maintenance 81
Appendix A 87
Specifications 87
Configuration 89
Architecture 89
A.6 RAID Management 91
Appendix B 93
Spare Parts and Accessories 93
Controller Modules 94
Accessories Overview 94
Appendix C 97
Pinouts 97
C.3. GAL-9011 Null Modem 100
C.4. Ethernet Port Pinouts 100
C.5. Main Power 100

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