Bird Technologies 429-83H-01 Series-Manual - Manual (Page 5)

Table of Contents Manual 7-9439-6 09/03/09
Table of Contents
General Description ............................................................................................ 1
Unpacking ............................................................................................................ 4
Pre-Installation Checkout ................................................................................... 4
Mechanical Inspection ....................................................................................... 4
Initial Power-up Test ........................................................................................... 5
Bench Testing ..................................................................................................... 6
Installation............................................................................................................ 8
Base to Tower-Top Communications ................................................................. 8
Test Transmission Line ...................................................................................... 9
Installing the System .......................................................................................... 9
Installing the Tower-Top Box ............................................................................. 9
In-building Lightning Arresters ............................................................................ 9
Installing the MCU ............................................................................................ 12
Interference and IM Considerations .................................................................. 14
Feedline Data ..................................................................................................... 14
Optimizing The System ..................................................................................... 15
Attenuation Settings ......................................................................................... 15
TTA Net Gain..................................................................................................... 15
Receiver Multicoupler Distribution ..................................................................... 15
Setting the TTA NET GAIN Attenuation ............................................................ 16
Determining Needed Attenuation .................................................................... 16
Setting Distribution Attenuation ......................................................................... 17
Spectrum Analysis ............................................................................................ 17
Procedure for Spectral Analysis...................................................................... 19
Operational Tests (Sensitivity and Degradation) ........................................... 19
Front Panel Test Port ........................................................................................ 19
Tower Top Amplifier Inputs................................................................................ 19
Static System Sensitivity ................................................................................... 19
Measuring Static Sensitivity (Load Connected) ................................................. 19
Effective System Sensitivity............................................................................... 21
Measuring Effective Sensitivity (Antenna Connected)....................................... 22
Degradation ....................................................................................................... 23
Routine Operation ............................................................................................. 23
Amplifier Monitoring........................................................................................... 23
LCD Display....................................................................................................... 23
Current Draw ................................................................................................... 23
Test Cable Connection .................................................................................... 23
TTA Temperature ............................................................................................ 23
Software Version ............................................................................................. 23
Front Panel LEDs .............................................................................................. 24
Form-C Contacts ............................................................................................... 24
Alarms ................................................................................................................ 24
The Test Mode ................................................................................................... 24
Set LNA X Active ............................................................................................... 24
Terminate LNA X ............................................................................................... 25
Un-Terminate LNA X ......................................................................................... 25
System Troubleshooting .................................................................................. 25
Performance Degradation ................................................................................ 25
Hardware Problems .......................................................................................... 25
Lightning and Lightning Arresters ................................................................... 26
Vandalism ....................................................................................................... 26
AC Line Fuse (Model 429-83H-01-M) ............................................................... 26