Motorola MW810, Installation Manual

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Installation 35
Audio Line Out Connection
The MW810 Mobile Workstation is equipped with an Stereo Audio Line Out connector to
which external earphone can be connected or external speaker with a built-in amplifier.
Power (PWR) Connection
The MW810 Mobile Workstation is equipped with two Motorola DC power cables and fuses,
one for the CPU Box and the other for the display. To connect power to the MW810 Mobile
Workstation units, refer to “Electrical Guidelines” on page 7.
Important Note:
The MW810 Mobile Workstation default power system is 12V. In order
to use the MW810 Mobile Workstation with 24VDC power system, the POWER SOURCE
parameter in the CPU Codeplug must be changed to 24V. To change the POWER SOURCE
parameter in the CPU Codeplug, refer to MW810 Mobile Workstation CPU Owner’s Manual
publication number 6802982C81.
AUX Port Connection
The AUX port provides ignition sense connection to the MW810. This port is also used for
power supply of 5VDC at maximum current of 1A and vehicle battery power supply at
maximum current of 1A. The AUX port provides four digital bits GPIO that may be
programmed for 5V or vehicle battery I/O usage.
For complete pin assignment of the AUX port, refer to Table 5.
Ignition Sense Connection
To install the ignition-sense cable between the AUX connector and the vehicle ignition line,
carry out the following steps:
Step 1. Connect one end of the ignition-sense wire to pin 8 of the AUX connector, and the
other end to the vehicle ignition switch.
1
2
3
4
5
Line Out Left Line Out Right
Audio Line Out
• When an I/O port is configured as an Input port, the external voltage must be
supplied to that port via 160 Ohm resistor to ensure proper operation.
• When an I/O port is configured as an Output port, be aware not to supply
external Voltage to that port – Voltage supply may damage the CPU Box.
!
Caution