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Инструкции и руководства
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Cisco
Cisco 1 GHz GainMaker Amplifier
Руководство По Установке
Руководство По Установке для Cisco Cisco 1 GHz GainMaker Amplifier
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Contents
Installing the Housing ........................................................................................................... 25
To Install the Housing on a Strand (Aerial) .......................................................... 25
To Install the Housing in a Pedestal ....................................................................... 26
Installing Accessories ............................................................................................................ 28
To Install Attenuator Pads ....................................................................................... 28
To Install Equalizers ................................................................................................. 29
To Install the Surge Protector .................................................................................. 30
Installing the Amplifier Module .......................................................................................... 32
To Install the Amplifier Module ............................................................................. 32
Removing the Amplifier Module from the Housing ........................................................ 35
To Remove the Amplifier Module.......................................................................... 35
Removing and Installing AC Shunt Power Directors ....................................................... 37
To Remove and Install AC Shunt Power Directors.............................................. 37
Closing the Node Housing ................................................................................................... 39
To Close the Node Housing .................................................................................... 39
Torquing Sequence ................................................................................................... 39
Balancing and Setup
41
Preparing for Forward Path Balancing ............................................................................... 42
Understanding Switch S1 Functions ...................................................................... 42
To Verify the Input Signal Level ............................................................................. 45
Balancing the Forward Path ................................................................................................. 47
To Select the Forward Path Balancing Procedure ................................................ 47
Forward Path Balancing for AGC Stations Using Manual Setup Mode ........... 47
Forward Path Balancing for AGC Stations Using Thermal Setup Mode .......... 56
Forward Path Balancing for Thermal Stations Using Amplifier Only
Compensation Mode ............................................................................................. 63
Forward Path Balancing for Thermal Stations Using Amplifier and
Coax Compensation Mode ................................................................................... 66
Forward Path Balancing for Manual Stations ....................................................... 70
No Switch 1 Setting for Manual Stations ............................................................... 70
Forward Path Balancing Using Trim Networks ................................................... 72
Balancing the Reverse Path .................................................................................................. 74
About Reverse Path Balancing ................................................................................ 74
To Prepare the Amplifier for Reverse Path Balancing ......................................... 75
To Calculate the Proper RF Signal Level ............................................................... 76
To Complete Reverse Path Balancing .................................................................... 78
Troubleshooting
81
Equipment ............................................................................................................................... 82
No AC Power ......................................................................................................................... 83
No AC Power Troubleshooting Table.................................................................... 83
No DC Power ......................................................................................................................... 85
No DC Power Troubleshooting Table.................................................................... 86
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