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Note: The MP 555 GPS and
your computer should be
powered off while connecting
cables.
Rev 2.1 Jan.05
Installing the MP 555 GPS Modem in a Vehicle
Connecting the serial or USB cable
To install the serial or USB cable, thread the cable through the
vehicle and attach it to the DB9 or USB connector on the
modem. Attach the other end to the computer, and secure the
cable as necessary.
I/O Port Connections
The MP 555 GPS's I/O port is a standard female DB15
connector.
I/O connector (DB15) pinouts
DB15 MALE
1.
Reserved—do not connect
2.
Reserved—do not connect
3. Digital I/O 1 (DIN1)
4. Digital input 3 (DIN3)
5.
Reserved for future support
of differential GPS—do not
connect
Reserved for future support
6.
of differential GPS—do not
connect
7. Analog input 2 (AIN2)
Figure 2-13: Pinouts for a male DB15 I/O cable (left) that connects to the
MP 555 GPS's female DB15 I/O connector (right). Note that the two figures'
pinouts are mirror images of one another, since they plug together.
If you plan to use the I/O cable, you must construct or obtain
an I/O cable with a male DB15 connector to attach to the
modem. For more details on I/O connections, see the
MP 555 GPS Software Installation, Configuration, and Integration
Guide (document number 2130352) on the installation CD.
Panic button connections
An I/O cable for a panic button requires a wire to one of the
digital input or I/O pins (such as #3) and one wire to the
Ground pin (#10).
Analog sensor connections
An I/O cable for an analog sensor requires a wire to one of the
analog input pins (such as #7) and one wire to the Ground pin
(#10).
8. Analog input 4 (AIN4)
Reserved—do not connect
9.
10. Ground (GND)
11. Digital I/O 2 (DIN2)
12. Digital input 4 (DIN4)
Reserved—do not connect
13.
14. Analog input 1 (AIN1)
15. Analog input 3 (AIN3)
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