User's Manual
Table Of Contents
- Part A – Preface
- Safety Information
- Revision History
- Important Information
- Compliance Information
- Part B – Feature Overview
- Introduction
- Features and Benefits
- Q Data Radio Range
- Part C – System Topologies & Operating Modes
- System Topologies
- Operating Modes
- Part D – Feature Detail
- Hardware
- Efficiency and Bandwidth
- Connectivity
- Ease of Use
- Security
- Part E – Radio Planning and Design
- Radio Path analysis
- BER & Fade Margin
- Radio Accessories
- RF Feeders and Protection
- Part F – Quick Reference Guide
- Introduction
- Half Duplex Radio - QR450
- Full Duplex Radio - QB450
- Hot Standby Half Duplex Radio - QP450
- Hot Standby Full Duplex Radio - QH450
- LED indicators
- Connecting Antennas
- Communication Ports
- Activating Transmitter
- Factory Default
- Digital I/O
- Connecting to Web User Interface (WUI)
- Resolving Ethernet Connection Issues
- Part G– Quick Start Guide
- Step-by-Step Point to Point Setup
- Step-by-Step eDiags Setup
- System Topology Configuration
- Serial and MODBUS
- Single Frequency (Simplex) Mode
- E-Series Emulation Mode
- Part H – Advanced
- Connectivity
- Ease of Use
- Security
- Part I – Installation & Commissioning
- Optimising the Antenna for Rx Signal
- Commissioning
- Part J – Firmware Updating and Maintenance
- Firmware Updating
- Global Firmware Updating
- Fuse Replacement - QR450
- Part K – Open Source License Acknowledgements
- Part L – Support Options
63
Document Number: 0100SM1401 Issue: 05-15
Typical Radio Setup
Operational Description
The QH Hot Standby Controller (QHHSC) unit is a 1RU rack mounted module that interfaces to two separate full duplex
radios (each 1RU rack mounted modules) via a number of RF and data cables.
Both full duplex radios (Radio A & Radio B) operate simultaneously and should both be constantly receiving radio signals,
however only data from one radio (the “online” radio) is directed to the user equipment. The online radio is also the only unit
transmitting at any time. The Hot Standby Controller has the following functions:
• Amplify and split the incoming signal two ways so both radio A and radio B receive at once.
• Monitor the alarm output from both radio A and radio B and change over the online radio if required.
• Switch all user data through to the online radio.
• Switch the antenna via internal coaxial relay to the online radio transmitter (Requires QHHSC Kit Option A).
Digital switching in the QHHSC directs user data to and from the user ports on the front panel directly to the user ports of the
online radio.
The QHHSC and the two full duplex radios will pass operational/alarm detection status between one another via the AUX
interface. Any alarm detection indicated from the online radio can cause the QHHSC to change over the online radio.
Part F – Quick Reference Guide