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 Superseded Technical Information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 Options
3.17.2 U71 Dongle
The U71 has a single DB25 male connector and four rotary switches to suit a
standard MX800. Two of the switches allow the selection of a pre-
programmed MX800 channel and the other two allow the selection of the
standard network ID and TX RF power level
3.17.3 U72 Dongle
The U72 has a single DB44 male connector and four rotary switches. Two of
the switches allow the selection of a pre-programmed MX800 channel and
the other two allow the selection of the extended network address.
Figure 3-12 U72/U71 Dongle
3.17.4 U73 Dongle with Digital IO Port
Replicator
The U73 dongle allows not only the selection of the network address and
channel, but also provides all of the connections normally provided by CN3
on the standard MX800.
Pin outs of the female DB25 connector provided on the U73 are detailed in
T31 Technical manual. Please contact sales@spectraeng.com.au for a copy of
this manual.
Figure 3-13 U73 Dongle
© SPECTRA ENGINEERING 2008 Revision 4.3.1B
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