User's Manual
Table Of Contents
- 1. General Description
- 2. Installation and Operation
- 3. Options
- 3.1 T01 Programmable Channel Spacing
- 3.2 T02 Programmable CTCSS encoder/decoder
- 3.3 T03 Programmable DCS/CTCSS encoder/decoder
- 3.4 T05 Balanced and Isolated VF plus E&M
- 3.5 T06 Simplex Changeover Relay
- 3.6 T08 VF Delay
- 3.7 T09 300Hz Upgrade HPF Filter
- 3.8 T10 Power Save Mode
- 3.9 T11 Combined Options
- 3.10 T12 External Reference Oscillator Input
- 3.11 T13 Local Speaker, Mic Socket and Front Panel Mute
- 3.12 T14 Local Channel Change
- 3.13 T16 1PPM Frequency Stability
- 3.14 U69 Extended Temperature Range Verification
- 3.15 T19/26 Line Interface Board.
- 3.16 T29 Balanced and Isolated VF plus E&M
- 3.17 T31 Network Adapter
- 3.18 T34 Ethernet option
- 3.19 T36 Option - TX Ref Oscillator input and Modulator
- 6. MX800 Base Station Fault Finding Procedure
- 7. Appendices
- 7.1 MX800 Interface Connections
- 7.2 CN2 DB9 Female Monitor Connector
- 7.3 CN3 DB25 Female Digital I/O Connector
- 7.4 MX800 Specifications
- 7.5 Channel Select DIP Switch Settings
- 7.6 MX800 Model Number Configuration Guide
- 7.7 MX800 System Applications
- 7.7.1 Conventional base station/repeater
- 7.7.2 Link transceiver
- 7.7.3 Data transceiver
- 7.7.4 Paging transmitter
- 7.7.5 Trunking Base Station
- 7.7.6 Systems base
- 7.7.7 Repeater with Morse ID
- 7.7.8 Simplex base station
- 7.7.9 Duplicated base station
- 7.7.10 Power Save base station
- 7.7.11 Tone key base station
- 7.7.12 Voting base station
- 7.7.13 Simulcast base station
- 8. Superseded Technical Information
- 9. Drawings
Technical Manual Table of Contents
3.10.1 Description ...................................................................... 35
3.10.2 Installation .................................................................... 37
3.9 T11 Combined Options .............................................................. 38
3.10 T12 External Reference Oscillator Input .................................... 38
3.12.1 Description .................................................................... 38
3.12.2 Installation .................................................................... 39
3.11 T13 Local Speaker, Mic Socket and Front Panel Mute.............. 41
3.11.1 Description .................................................................... 41
3.11.2 Installation .................................................................... 42
3.12 T14 Local Channel Change ........................................................ 45
3.12.1 Description .................................................................... 45
3.12.2 Installation .................................................................... 45
3.13 T16 1PPM Frequency Stability .................................................. 47
3.14 U69 Extended Temperature Range Verification ........................ 47
3.15 T19/26 Line Interface Board. ..................................................... 47
3.16 T29 Balanced and Isolated VF plus E&M ................................. 48
3.17 T31 Network Adapter ................................................................. 50
3.17.1 Optional Dongles .......................................................... 50
3.17.2 U71 Dongle ................................................................... 51
3.17.3 U72 Dongle ................................................................... 51
3.17.4 U73 Dongle with Digital IO Port Replicator ................ 51
3.18 T34 Ethernet option .................................................................... 52
3.19 T36 Option - TX Ref Oscillator input and Modulator ............... 52
4. Technical Description ........................................................................... 55
4.1 Exciter Module ........................................................................... 55
4.2 Receiver Module ........................................................................ 56
4.3 Power Amplifier Module ........................................................... 57
4.4 Micro Controller Board .............................................................. 58
4.4.1 Overall Radio Management .......................................... 58
4.4.2 TX Signal Processing .................................................... 59
4.4.3 RX Signal Processing .................................................... 60
4.4.4 RF Power Control ......................................................... 60
4.4.5 User Interface ................................................................ 61
5. Alignment and Testing .......................................................................... 63
5.1 Transceiver Setup, Calibration and Alignment .......................... 63
5.1.1 Sending Model Number and Serial Number to the
Radio ............................................................................. 63
5.1.2 Sending Configuration Information .............................. 63
5.1.3 Sending Channel Information ....................................... 64
5.1.4 Setting Alignment Channel ............................................ 64
5.1.5 Power Calibration ......................................................... 64
5.1.6 RSSI Calibration ........................................................... 65
© SPECTRA ENGINEERING 2008 Revision 4.3.1B
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