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 Superseded Technical Information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 Appendices
© SPECTRA ENGINEERING 2008 Revision 4.3.1B
105
TITLE MX800 BACK TO BACK LINK DIAGRAM
SPECTRA ENGINEERING PTY LTD DRAWN AJCC
04/11/04SHEET 1 0F 1 DATE APPROVED
ADOC No SC002-1A REV CHECKED
MX800
Unit A
MX800 REAR PANEL
DB15F LINE I/O
1
5
1
3
1
1
9
7
5
3
1
1
4
4
6
8
1
0
1
2
2
R
X
A
U
D
I
O
5
O
H
M
S
1
6
1
2
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4
5
6
7
8
9
1
4
1
3
1
2
1
1
1
0
1
5
S
K
H
CN1
A
L
A
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1
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B
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2
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3
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B
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MX800
Unit B
INTERFACE PCB
E(b)
E(a)
TX VF (b)
RX leg (b)
Tx VF (a)
Rx VF (b)
M (COM)
M (NC)
1
2
3
4
5
6
7
8
R
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4
5
8
P
8
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MX800 REAR PANEL
DB15F LINE I/O
1
5
1
3
1
1
9
7
5
3
1
1
4
4
6
8
1
0
1
2
2
R
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A
U
D
I
O
5
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H
M
S
1
6
1
2
3
4
5
6
7
8
9
1
4
1
3
1
2
1
1
1
0
1
5
S
K
H
CN1
A
L
A
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#
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2
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3
T
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A
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R
E
P
E
A
T
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N
AB
L
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R
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T
A
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A
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T
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6
0
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M
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B
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P
T
T
INTERFACE PCB
E(b)
E(a)
TX VF (b)
RX leg (b)
Tx VF (a)
Rx VF (b)
M (COM)
M (NC)
1
2
3
4
5
6
7
8
R
J
4
5
8
P
8
C
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