30 Installing the Radio TM9300/TM9400 Installation Guide
© Tait Limited December 2015
Install the external antenna according to the antenna manufacturer’s
instructions. Good quality 50 Ω coaxial cable must be used, such as RG58
or UR76.
Notice Route the antenna cable in a manner that minimizes:
■ coupling into the electronic control systems of the vehicle
■ coupling of electric vehicle systems, such as alternators, into the
radio
■ coupling into the radio’s DC power cable, the cable to a remote
control head, or an external speaker cable
Avoid sharp bends in the cable. These distort the cable and alter its
electrical characteristics.
Terminating the
Antenna Cable
1. Run the free end of the coaxial cable to the radio’s mounting position
and cut it to length, allowing approximately 8 inches (200mm)
excess at the radio end.
2. Terminate the free end of the antenna cable with the mini-UHF plug
or BNC plug (supplied) as shown in Figure 4.4.
4.7 Connecting the Power Cable to the Power Source
This section provides information on connecting the power cable to the
power source.
The radio allows the configuration of different power-sense and power
supply options to control how the radio is powered up and down. For more
information, refer to “Power Sense and Connector Power Supply Options”
on page 19.
The installation configurations described below are based on the following
hardware link configuration (factory default):
■ hardware link LK1M (+13.8V battery power sense): fitted
■ hardware link LK2M (ignition sense): fitted
Figure 4.4 Terminating the antenna cable
5/16"
9/16"
5/32"
(4 mm)
(8 mm)
(14 mm)
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