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Cisco
Cisco 1 GHz GainStar Node
Guia Da Instalação
Cisco Cisco 1 GHz GainStar Node Guia Da Instalação
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Contents
iv
Closing the Line Extender Housing .................................................................................... 26
To Close the Line Extender Housing ..................................................................... 26
Torquing Sequence ................................................................................................... 26
Balancing and Setup
27
Preparing for Forward Path Balancing ............................................................................... 28
Before You Begin ....................................................................................................... 28
Balancing the Forward Path ................................................................................................. 29
Introduction ............................................................................................................... 29
To Verify the Forward Input Level ........................................................................ 29
To Determine the Output Tilt ................................................................................. 30
To Set Up the Output Tilt ........................................................................................ 31
To Set Up the Forward Output Level .................................................................... 32
Balancing the Reverse Path .................................................................................................. 34
Introduction ............................................................................................................... 34
To Set Up the Reverse Input Level ......................................................................... 34
To Set Up the Reverse Output Level ...................................................................... 35
To Set Up the Equalizer Values for Reverse Path ................................................ 36
Troubleshooting
39
Equipment ............................................................................................................................... 40
No Forward RF Signal ........................................................................................................... 41
No Forward RF Signal Troubleshooting Table ..................................................... 41
Low or Degraded Forward RF Signal ................................................................................. 42
Low or Degraded Forward RF Signal Troubleshooting Table ........................... 42
No Reverse RF Signal ............................................................................................................ 43
No Reverse RF Signal Troubleshooting Table ...................................................... 43
Low or Degraded Reverse RF Signal .................................................................................. 44
Low or Degraded Reverse RF Signal Troubleshooting Table ............................ 44
No Power Supply ................................................................................................................... 46
No Power Supply ...................................................................................................... 46
Boot Color Table ..................................................................................................................... 47
Customer Support Information
49
Appendix A Technical Information
51
Forward Cable Equalizer ...................................................................................................... 52
1 GHz Forward Cable Equalizer Loss Table ......................................................... 52
Forward Inverse Cable Equalizer ........................................................................................ 53
105 MHz Inverse Equalizer Loss Table .................................................................. 53
Reverse Cable Equalizer ....................................................................................................... 54
85 MHz Reverse Cable Equalizer Loss Table ........................................................ 54
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