Name: BIRD 428B-83H-01-T
Brand: BIRD
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YOU'RE HEARD, LOUD AND CLEAR.

8625 Industrial Parkway, Angola, NY 14006 Tel: 716-549-4700 Fax: 716-549-4772 sales@birdrf.com www.bird-technologies.com

Installation and Operation Manual for

Compact Tower Top Amplifier System

Model 428B-83H-01-M/-48 and 428B-83H-01-C-110/48

and Model 428B-83H-01-T

Manual Part Number

7-9487

Table of Contents5
General Description9
- Figure 1: Front View of the Tower-Top Box9
- Tower Top Box10
- Base Control Unit11
Base Control Unit Styles11
- Mcu11
- Cmu17
  - Functional Block Diagram17
  - Figure 9: System Cable Connections17
Unpacking18
Pre-Installation Checkout18
- Mechanical Inspection18
- Initial Power-Up Test18
- Figure 10: Initial Power-Up Test18
- Bench Testing19
- Figure 11: Boot-Up Sequence19
- Figure 12: Default Display19
- Figure 13: Menu Selections20
Installation21
- Test Transmission Line21
- Figure 14: MCU Test Equipment Interconnection for "Bench Testing21
- Installing the System22
- Installing the Tower-Top Box22
- Figure 15: CMU Test Equipment Interconnection for "Bench Testing22
- Figure 16: MCU System Installation Guidelines23
- Figure 17: CMU System Installation Guidelines24
- Figure 18: System Installation Guideline Notes25
- In-Building Lightning Arresters26
- Installing the Base Control Unit26
- Figure 19: Tower-Top Box Mechanical Details26
- Figure 20: Application of Rubber Splicing Tape26
- Figure 21: CMU Alarm Terminals27
- Figure 22: MCU Alarm Terminals27
- Interference and IM Considerations28
Feedline Data28
Optimizing the System28
Attenuation Settings29
- Reserve Gain29
- Receiver Multicoupler Distribution (MCU Only)29
- Setting the MCU Reserve Gain Attenuation29
- Setting the CMU Reserve Gain Attenuation30
  - Figure 23: MCU Reserve Gain Attenuation Level30
  - GTR8000 Attenuator Adjustment31
- Reserve Gain Adjustment Procedure31
- Figure 24: Adjusting GTR8000 Attenuators31
- Setting Distribution Attenuation (MCU Only)32
  - Adjustment Procedure32
Spectrum Analysis32
- Procedure for Spectral Analysis33
- Figure 25: Testing the MCU Output Spectrum33
- Figure 26: Testing the CMU Output Spectrum34
- Figure 27: Maximum Signal Level Mask34
Operational Tests (Sensitivity and Degradation)35
- Front Panel Test Port35
- Tower Top Amplifier Inputs35
- Static System Sensitivity35
- Measuring Static Sensitivity (Load Connected)35
- Figure 28: Calculating Actual Sensitivity36
- Effective System Sensitivity38
- Measuring Effective Sensitivity (Antenna Connected)38
- Degradation38
Routine Operation38
- Amplifier Monitoring39
- LCD Display39
- Front Panel Leds40
- Form-C Contacts40
Alarms40
The Test Mode41
- Set LNA X Active41
- Terminate LNA X41
- Un-Terminate LNA X41
System Troubleshooting42
- Performance Degradation42
- Hardware Problems43
  - Lightning and Lightning Arresters43
  - Vandalism43
- AC Line Fuse43
Periodic Maintenance43
Recommended Spare Parts43
Optional Equipment43
- Multicoupler Expansion Deck43
  - 16 To 32 Channel Expansion43
  - 16 To 48 Channel Expansion44
- Narrowband Filter45
- Installing Narrowband Filter (MCU Systems)46
- Installing Narrowband Filter (CMU System)46
- Table 10: Optional Narrowband Filters46
Appendix A: Front Panel Ethernet Connectivity48
Ethernet Connectivity48
- Direct Connection48
  - Required Equipment48
  - Procedure48
- Networked Connection49
  - Required Equipment51
  - Procedure51
- TTA Network Port Security53
- Changing the Telnet Port Password54
Appendix B: Changing Your Service Computers IP Address55

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BIRD 428B-83H-01-T Specifications

General

Brand	BIRD
Model	428B-83H-01-T
Category	Amplifier
Language	English

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