Motorola TETRA MTH800 User manual

MTH800 and MTP850 Digital Car Kit
Installation Manuals Addendum
68008014005-A
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General
This addendum details changes that have taken place since releasing
MTH800 and MTP850 Digital Car Kit Installation Manuals. Use this
information to update the Manuals.
The FTN6790B is an improved solution for providing the required DC
Voltage supply to the GPS Antenna solutions for the MTH800 and MTP850
Digital Car Kits, part numbers FTN6307 and GMLN4687. The FTN6790B
replaces FTN6790A in the following Antenna Kits
• GMAE4290 - Combined Tetra and GPS Antenna 380–430 MHz
• GMAE4293 - Combined Tetra and GPS Antenna 440–470 MHz
• GMAF4504 - Combined Tetra and GPS Antenna 800 MHz
• GMAD4500 - Combined Tetra and GPS Antenna 350–390 MHz
The principle change is to remove the necessity to use a through connector
on the Radio Interface Connector (J3 26Pin).
Installation Manuals Affected
The following Motorola Installation Manuals are subject to update at their
next review
MTH800 Digital Car Kit FTN6307 6802968C55
MTP850 Digital Car Kit GMLN4687 6866535D12
Addendum Details
FTN6790B – Product details
This voltage regulator unit is designed to be used with the Digital Car Kit to
supply 5 volts to GPS antenna via the DPX1000/1500 diplexor unit.
GMAE4291 and GMAE4292 antennas are replaced by GMAE4290.
PANORAMA
ANTENNAS

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Installation
1. The positive supply to the regulator should be taken from an
ignition switched source. This can be connected to the same
supply as used for ignition sense to DCK control box (green wire).
2. Connect coaxial cable end to 5 V input terminal on diplexor unit.
3. Run supply cable to selected connection point, ensuring that it is
secured from being damaged and does not interfere with any
vehicle controls or airbag deployment.
4. Connect grey regulator positive feed wire to ignition sense feed,
via 1 A fuse (using holder and connectors supplied).
Table 1: FTN6790B Specifications
Specification Kit Content
Input Voltage
Range
7–30 V Regulator unit
moulded with
input and output
cables
1 x Fuseholder
1 x Fuse 1A rated
2 x Blade
connectors - red
insulated
Output Voltage 5 V
Max. Output
Current
40 mA
Dimensions
(regulator unit
block)
41 x 12.5 x 12.7 mm
Input cable Twin Figure-8
Length: 560 mm
Negative marked black
tracer line
Output cable RG174 Coaxial Cable
Length: 550 mm
Terminated FME Jack (f)
Centre contact positive
supply
The positive supply must be fused at maximum 1 A rating.

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5. Connect grey/black negative feed wire to vehicle negative supply
(chassis or black feed wire to Digital Car Kit control box).
Important Regulatory Information
This regulator unit carries CE mark approval in accordance with 2006/28/
EC TUV Product Service Test Report Document No. 75903244-01-1 with
attestation:
In accordance with 2006/28/EC, Annex 1, Sub-Clause 8.3 this EUT has no
“immunity related functions” and therefore Immunity to Radiated
Disturbances testing is not applicable.
A copy of the report summary is available on request.

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