- Juniper Router Hardware Guide

Power Guidelines, Requirements, and Specifications ............................................... 42
Site Electrical Wiring Guidelines ................................................................ 43
Distance Limitations for Signaling ......................................................... 43
Radio Frequency Interference ............................................................. 43
Electromagnetic Compatibility............................................................. 43
Router Power Requirements .................................................................... 43
AC Grounding and Power Cord Specifications.................................................. 45
DC Grounding, Connection, and Cable Specifications ......................................... 46
Network Cable Specifications and Guidelines ....................................................... 48
Fiber Optic and Network Cable Specifications ................................................. 48
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable................................. 48
Attenuation and Dispersion in Fiber-Optic Cable .............................................. 49
Calculating Power Budget for Fiber-Optic Cable................................................ 49
Calculating Power Margin for Fiber-Optic Cable................................................ 50
Attenuate to Prevent Saturation at SONET/SDH PICs .......................................... 51
Cable Specifications for Routing Engine Management Interfaces ...... ........ ...... .. ........ .... 52
Site Preparation Checklist ............................................................................ 52
Chapter 6
Unpack the Router............................................................................................... 55
Tools Required ........................................................................................ 55
Unpack the Router.................................................................................... 55
Choose F ront or Cente
r Mounting ................................................................... 57
Chapter 7
Install the Router ................................................................................................ 59
Tools and Parts Required ............................................................................. 59
Install the Chassis into the Rack...................................................................... 59
Chapter 8
Connect the Router and Perform Initial Configuration...................................... 61
Tools and Parts Required ............................................................................. 61
Connect the Router to Management Devices. .. .............. ........... .............. .. ............ 61
Connect to a Network for Out-of-Band M anagement .............. ........ ................... . 62
Connect to a Managem ent Console or Auxiliary Device ........... ................ ............ 63
Connect PIC Cables ................................................................................... 63
Provide Power to the Router.......................................................................... 65
Connect Power to an AC-Powered Router ...................................................... 65
Connect Power to a DC-Powered Router........................................................ 66
Power On the Router ............................................................................ 67
Configure the JUNOS Internet Software.............................................................. 69
Ta ble o f Con t e n ts
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