User Manual

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Ta ble o f C o n t e n t s
v
Part 2
Initial Installation
Chapter 5
Prepare the Site .....................................................................................................39
Rack Requirements...............................................................................................39
Rack Size and Strength..................................................................................40
Spacing of Mounting Holes ............................................................................41
Connection to Building Structure ...................................................................41
Clearance Requirements for Airflow and Hardware Maintenance .........................42
Site Environmental Requirements ........................................................................43
Fire Safety Requirements......................................................................................43
Fire Suppression............................................................................................43
Fire Suppression Equipment..........................................................................44
Power System Requirements and Specifications...................................................44
Power Supply Load Sharing, Redundancy, and Replacement ........................45
Connection and Grounding Requirements .....................................................45
AC Power Cord Specifications........................................................................45
DC Power and Grounding Cable Specifications..............................................46
System Power Requirements.........................................................................48
Site Electrical Wiring and Cable Guidelines ...........................................................49
Distance Limitations for Signaling .................................................................49
Radio Frequency Interference........................................................................49
Electromagnetic Compatibility.......................................................................49
Fiber-Optic and Network Cable Guidelines............................................................49
Multimode and Single-Mode Fiber .................................................................50
Attenuation and Dispersion ...........................................................................50
Power Budget Calculation ..............................................................................51
Power Margin Calculation..............................................................................51
Attenuate to Prevent Saturation at SONET/SDH PICs.....................................53
Routing Engine Interface Cable and Wire Specifications .......................................53
Site Preparation Checklist .....................................................................................54
Chapter 6
Regulatory Compliance and Safety Information ...............................55
Definition of Safety Warning Levels......................................................................55
Safety Guidelines and Warnings............................................................................57
General Safety Guidelines and Warnings .......................................................57
Qualified Personnel Warning..................................................................58
Restricted Access Area Warning ............................................................59
Electrical Safety Guidelines and Warnings .....................................................60
General Electrical Safety Guidelines........................................................60
AC Power Electrical Safety Guidelines ....................................................61
DC Power Electrical Safety Guidelines ....................................................61
Copper Conductors Warning .................................................................63
DC Power Disconnection Warning .........................................................64
DC Power Grounding Requirements and Warning..................................65
DC Power Wiring Sequence Warning .....................................................66
DC Power Wiring Terminations Warning ...............................................67