Table of Contents
iv
DataNex
EMS Wireless,
DATA-20
Digital Radio
Table of Contents
1 SYSTEM
DESCRIPTION .......................................................................................................................1-1
1.1
Introduction ..................................................................................................................................................... 1-1
1.2
System Features ............................................................................................................................................... 1-1
1.3
Typical Configurations.................................................................................................................................... 1-2
1.3.1
Data Rate and Interface ............................................................................................................................. 1-2
1.3.2
Standalone Operation ................................................................................................................................ 1-2
1.3.3
Hot Standby (Protected) Operation............................................................................................................ 1-3
1.4
Regulatory Notices........................................................................................................................................... 1-3
1.5
System Description (QAM)............................................................................................................................. 1-4
1.5.1
Introduction ............................................................................................................................................... 1-4
1.5.2
QAM Modulator/IF Upconverter............................................................................................................... 1-5
1.5.3
RF Upconverter ......................................................................................................................................... 1-6
1.5.4
Power Amplifier (PA) ............................................................................................................................... 1-7
1.5.5
RF Downconverter .................................................................................................................................... 1-7
1.5.6
QAM Demodulator/IF Downconverter ..................................................................................................... 1-8
2
INSTALLATION .....................................................................................................................................2-1
2.1
Unpacking ........................................................................................................................................................ 2-1
2.2
Notices............................................................................................................................................................... 2-1
2.3
Rack Mount...................................................................................................................................................... 2-2
2.4
Duplexer: Internal/External ........................................................................................................................... 2-2
2.5
Rear Panel Connections & Indicators ........................................................................................................... 2-3
2.6
Power Requirements ....................................................................................................................................... 2-5
2.6.1
Power Supply Card Slot Details ................................................................................................................ 2-5
2.6.2
AC Line Voltage........................................................................................................................................ 2-5
2.6.3
DC Input Option ........................................................................................................................................ 2-6
2.6.4
Fusing ........................................................................................................................................................ 2-6
2.7
Power-Up Setting............................................................................................................................................. 2-6
2.8
Data Interface .................................................................................................................................................. 2-8
2.8.1
4xE1/T1 MUX Channel Configurations.................................................................................................... 2-8
2.9
Hot Standby (Protected) Configuration ........................................................................................................ 2-9
2.9.1
Hot/Cold Standby Modes ........................................................................................................................ 2-10
2.9.2
Hot Standby Control using the TP64...................................................................................................... 2-11
2.9.3
Hot Standby Control with Single Unit..................................................................................................... 2-14
2.10
Site Installation .............................................................................................................................................. 2-15
2.11
Antenna/Feed System.................................................................................................................................... 2-16
2.11.1
Antenna Installation................................................................................................................................. 2-16
3
FRONT PANEL OPERATION ...............................................................................................................3-1
3.1
Introduction ..................................................................................................................................................... 3-1
3.2
Front Panel Operation .................................................................................................................................... 3-1
3.2.1
LCD Display.............................................................................................................................................. 3-2
3.2.2
Cursor and Screen Control Buttons ........................................................................................................... 3-2
3.2.3
LED Status Indicators................................................................................................................................ 3-3
Summary of Contents for DataNex Data-20
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