Remote Mount: Power, Ignition, And Emergency Cable Installation - Motorola APX 8500 Installation Manual

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2-16 Standard Configurations Planning the Installation

2.1.3.2 Remote Mount: Power, Ignition, and Emergency Cable Installation

The single control head O2, O5, O7 or O9 remote mount configurations receive power from the J200
connector red and black wires. The yellow wire at J200 is one ignition sense wire. The J2 connector
can also be used for ignition sense. If the HLN6863 is attached at J100 of the O2, O5, O7 or O9
control head, the "thin red" wire do NOT function as an ignition sense wire, since the J100 connector
has no ignition sense electrical connection.
NOTE: It is incorrect for installation to attach ignition sense at more than one wire or connector.
Refer to Table 2-1 or Table 2-2 for its correct wiring configurations.
The O3 control head receives its power down the CAN cable, and detects the ignition state by the
ignition sense pin at J2. The J2 connector can also be used for ignition sense.
In Multi-Control Head installations, the yellow ignition wire must be connected to the head assigned
ID # 1. Section 2.2.2.4: "Setting the Initial Control Head ID" for further information.
The design of the control head is different compared to the transceiver, therefore it is also NOT
necessary to attach HLN6863 at J100 to prevent accidental emergency operation. The control head
can have an emergency accessory attached at connector J100 instead of at the transceiver
connector J2. Wherever the emergency accessory is placed, it is recommended to only attach at one
location rather than multiple emergency accessories attached at different points of the radio.
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