Cisco Cisco 1 GHz GainMaker Amplifier 安装指南

Cisco

Contents

Installing the Power Supply ................................................................................................. 24

To Install the Power Supply Module ..................................................................... 24

To Set the AC Undervoltage Lockout Selector ..................................................... 25

Attaching the Coaxial Connectors ....................................................................................... 27

To Trim the Center Conductor ................................................................................ 27

To Connect the Coaxial Cable Pin Connector to the Node Housing ................. 27

Installing the Housing ........................................................................................................... 29

To Install the Housing on a Strand (Aerial) .......................................................... 29

To Install the Housing in a Pedestal ....................................................................... 30

Installing Accessories ............................................................................................................ 32

To Install Attenuator Pads ....................................................................................... 32

To Install Equalizers ................................................................................................. 33

To Install the Crowbar Surge Protector ................................................................. 34

To Install the Plug-in Signal Director (Low and High Gain Dual Only) .......... 35

Installing the Amplifier Module .......................................................................................... 38

To Install the Amplifier Module ............................................................................. 38

Removing the Amplifier Module from the Housing ........................................................ 41

To Remove the Amplifier Module.......................................................................... 41

Removing and Installing AC Shunt Power Directors ....................................................... 43

To Remove and Install AC Shunt Power Directors.............................................. 43

Closing the Node Housing ................................................................................................... 44

To Close the Node Housing .................................................................................... 44

Torquing Sequence ................................................................................................... 44

Balancing and Setup

Preparing for Forward Path Balancing ............................................................................... 46

Understanding Switch S1 Functions ...................................................................... 46

To Verify the Input Signal Level ............................................................................. 49

Balancing the Forward Path ................................................................................................. 51

To Select the Forward Path Balancing Procedure ................................................ 51

Forward Path Balancing for AGC Stations Using Manual Setup Mode ........... 51

Forward Path Balancing for AGC Stations Using Thermal Setup Mode .......... 58

Forward Path Balancing for Thermal Stations Using Amplifier Only

Compensation Mode ............................................................................................. 64

Forward Path Balancing for Thermal Stations Using Amplifier and

Coax Compensation Mode ................................................................................... 67

Forward Path Balancing Using Trim Networks ................................................... 71

Balancing the Reverse Path .................................................................................................. 72

About Reverse Path Balancing ................................................................................ 72

To Prepare the Amplifier for Reverse Path Balancing ......................................... 73

To Calculate the Proper RF Signal Level ............................................................... 74

To Complete Reverse Path Balancing .................................................................... 76

iv

OL-31156-01