Cisco GS7000 - Page 7

Contents
OL-29936-01 v
Power Supply Module .......................................................................................................... 80
Introduction ............................................................................................................... 80
Power Supply Module Description ........................................................................ 80
Power Distribution ................................................................................................... 82
Hub Architecture Examples ................................................................................................. 84
Broadcast/Narrowcast Overlay with Redundancy ............................................. 85
Broadcast/Narrowcast Overlay with Two Broadcast Zones ............................. 89
Chapter 4 Maintenance 93
Opening and Closing the Housing ...................................................................................... 94
Overview .................................................................................................................... 94
Opening the Housing ............................................................................................... 94
Closing the Housing ................................................................................................. 94
Preventative Maintenance .................................................................................................... 96
Overview .................................................................................................................... 96
Schedule ..................................................................................................................... 96
Visual Inspection ....................................................................................................... 96
Cleaning ..................................................................................................................... 97
Consumable Materials ............................................................................................. 97
Procedure ................................................................................................................... 97
Removing and Replacing Modules ..................................................................................... 99
Overview .................................................................................................................... 99
Module Replacement Procedure - Active Modules ............................................. 99
Module Replacement Procedure - Passive Modules ......................................... 101
Care and Cleaning of Optical Connectors ........................................................................ 103
Recommended Equipment .................................................................................... 103
Tips for Optimal Fiber Optic Connector Performance ...................................... 103
To Clean Optical Connectors ................................................................................ 104
Chapter 5 Customer Information 107
Appendix A Technical Information 109
Model GS7000 Optical Hub Accessory Part Numbers ................................................... 110
Attenuators .............................................................................................................. 110
Torque Specifications .......................................................................................................... 112
Node Fastener Torque Specifications ................................................................... 112
Appendix B Expanded Fiber Tray 113
Expanded Fiber Tray Overview......................................................................................... 114
Introduction ............................................................................................................. 114
Features .................................................................................................................... 114
Tray Components ................................................................................................... 115