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 Superseded Technical Information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
MX800 Transmitter Reference Frequency Option Guide
Standard Stability
Upgrade
to 1PPM
Modulate to
DC
CTCSS DCS Simulcast
VHF LOW (30-50MHz) 20PPM NO
Yes Yes Yes NO
VHF MID (66-88MHz) 5PPM
YES VHF HIGH (135-300MHz) 2.5/5PPM
UHF (300-530MHz) 2.5PPM
Standard upgraded to 1PPM Stability Modulate to DC CTCSS DCS Simulcast
VHF MID (66-88MHz) 1PPM
NO Yes
Yes, but minor
distortion
Yes VHF HIGH (135-300MHz) 1PPM
UHF (300-530MHz) 1PPM
External Ref Input (T12) Stability Modulate to DC CTCSS DCS Simulcast
VHF LOW (30-50MHz)
External NO
Requires
Resistor
Change
NO
Yes, Voice
VHF MID (66-88MHz)
Requires
Resistor
Change VHF HIGH (135-300MHz)
Yes
UHF (300-530MHz) Yes
External Ref Input (T36) Stability Modulate to DC CTCSS DCS Simulcast
VHF LOW (30-50MHz)
External or internal
option T37, T38
Yes Yes Yes
Yes, Voice &
Data
VHF MID (66-88MHz)
VHF HIGH (135-300MHz)
UHF (300-530MHz)
T36 With internal 1PPM
reference oscillator (T37)
Stability Modulate to DC CTCSS DCS Simulcast
V
HF LOW (30-50MHz)
1PPM Yes Yes Yes
Yes, Voice &
Data
V
HF MID (66-88MHz)
V
HF HIGH (135-300MHz)
U
HF (300-530MHz)
T36 With internal Oven stability
reference oscillator (T38)
Stability Modulate to DC CTCSS DCS Simulcast
VHF LOW (30-50MHz)
< 1PPM or other
eg.0.01PPM
Yes Yes Yes
Yes, Voice &
Data
VHF MID (66-88MHz)
VHF HIGH (135-300MHz)
UHF (300-530MHz)
© SPECTRA ENGINEERING 2008 Revision 4.3.1B
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