Motorola MW810 Installation Manual page 46

36 MW810 Mobile Workstation Vehicle Installation Manual
Step 2. Connect pin 5 to the vehicle ground.
Pin 5 to vehicle ground
Figure 26
AUX Connection - Ignition Sense Pin-outs
Table 5
AUX Connection - Pin Layout
Pin No. Signal
1 SPEED+
2 SPEED-
3 FWD+
4 FWD-
5 GND
6 GND
7 GND
8 IGN_SENSE
9 BIOS_RECOV
ERY#
10 PROG_ENTER
11 GND
12 GND
13 GND
14 BATT OUT
15 BATT OUT
16 GPIO1
17 GPIO2
18 GPIO3
19 GPIO4
20 RX_EC
21 TX_EC
Pin1
Pin 8 to vehicle ignition switch
Description
vehicle speed input signals
Positive
vehicle speed input signals
Negative
Forward/Backward drive direction input signals
Forward/Backward drive direction input signals
Ground
Ground
Ground
Input ignition power sense from ignition key
Crisis BIOS boot-up input signal (active low signal). Used to boot the CPU
Box from an external drive that connects to any of the USB ports
Enable input signal for programming the embedded controller inside the
CPU Box
Ground
Ground
Ground
Output power. Maximum 1 Amps. Output inhibits when CPU Box
temperature is above operating range. The output power corresponds to
the power that operates the CPU Box
Identical to pin number 14
General purpose I/O number 1, TTL level (5V) or vehicle power
General purpose I/O number 2, TTL level (5V) or vehicle power
General purpose I/O number 3, TTL level or vehicle power
General purpose I/O number 4, TTL level or vehicle power
Data Input to the embedded controller of the CPU
Data Output from the embedded controller of the CPU
Pin 26