User's Manual
Table Of Contents
- Altiostar Networks iRM4451nn00-2 intelligent Remote Radio Head
- Preface
- Contents
- List of tables
- List of figures
- 1 Introduction
- 2 Safety requirements
- 3 Physical description
- 4 Installation prerequisites
- 5 Installation overview
- 6 Installing the iRM4451nn00-2
- 6.1 Assembling cables
- 6.2 Routing pre-assembled power/GigE optical fronthaul/grounding cables
- 6.3 Installing the mounting bracket
- 6.4 Hoisting the iRM4451nn00-2 on elevated structures
- 6.5 Installing the iRM4451nn00-2 on the mounting bracket
- 6.6 Connecting the grounding cable
- 6.7 Connecting the RET cables
- 6.8 Connecting the GigE optical fronthaul cables
- 6.9 Connecting the RF cables
- 6.10 Connecting the alarms cable
- 6.11 Connecting the –48 V dc power cable
- 6.12 Weatherproofing cable connections
- 6.13 Checking power
- 7 Terms, Acronyms and Abbreviations
Introduction
1-2 iRM4451nn00-2 iRRH Product Description and Installation Guide
Figure 1-1 iRM4451nn00-2 iRRH functional block diagram
1.2 Hardware components
The following major circuit cards and components comprise the iRM4451nn00-2 iRRH.
See Figure 1-1.
• Signal Processing Module
•Radio Card
• Signal Conditioning and Protection
• Internal power supply
• Front-end Filter
• Fronthaul Interface
•Local PC
• GPS Receiver System
• Test/Reference Signals
• RF Antenna System
•Local Power Source
• Alarms Interface
The iRM4451nn00-2 gets its power from an external –48 V DC source. Antennas,
supplied by the Operator, are used for RF transmission and Global Positioning System
(GPS) reception.