7750 SR-a4 and SR-a8 Installation Guide 3
Table of Contents
Preface................................................................................................................................................... 17
About This Manual..............................................................................................................................................17
Warnings and Notes ...........................................................................................................................................19
Audience.............................................................................................................................................................19
Information Symbols...........................................................................................................................................20
Technical Support...............................................................................................................................................20
7750 SR-a4 and 7750 SR-a8 Overview................................................................................................23
In This Chapter ...................................................................................................................................................23
7750 SR-a Chassis Features .............................................................................................................................24
7750 SR-a4 Chassis Features ......................................................................................................................24
7750 SR-a4 Chassis Slot Allocation ........................................................................................................26
7750 SR-a8 Chassis Features ......................................................................................................................27
7750 SR-a8 Chassis Slot Allocation ........................................................................................................29
7750 SR-a Modules............................................................................................................................................31
CPM-a ...........................................................................................................................................................31
CPM-a Internal CF Drive ..........................................................................................................................34
IOM-a ............................................................................................................................................................35
MDA-a Cards.................................................................................................................................................36
7750 SR-a Chassis Components .......................................................................................................................38
PSUs .............................................................................................................................................................38
7750 SR-a AC PSU..................................................................................................................................38
7750 SR-a –48 VDC PSU ........................................................................................................................39
PSU Redundancy.....................................................................................................................................39
Cooling System .............................................................................................................................................40
Fan Trays .................................................................................................................................................40
Air Filters ..................................................................................................................................................42
Impedance Panels.........................................................................................................................................43
Component Operating Requirements............................................................................................................44
7750 SR-a System Installation Process .............................................................................................................46
Site Preparation .................................................................................................................................... 47
In This Chapter ...................................................................................................................................................47
Warnings and Notes ...........................................................................................................................................48
System Specifications ........................................................................................................................................49
Chassis Specifications ..................................................................................................................................49
Environmental Specifications ........................................................................................................................50
Power Supply Unit Module Specifications .....................................................................................................52
CPM-a Specifications ....................................................................................................................................53
IOM-a Specifications .....................................................................................................................................53
MDA-a Specifications ....................................................................................................................................53
Fan Tray Specifications ................................................................................................................................54
Power Consumption ...........................................................................................................................................55
Operating Requirements ....................................................................................................................................56
Equipment Rack .................................................................................................................................................57
ETSI Rack Adapter Brackets.........................................................................................................................58
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