Motorola MBX Series Installation And Use Manual page 31

backup in applications requiring a more durable backup battery. The
battery should be 3.0V to 3.6V.
In most cases, it will be more convenient to connect the external battery
you intend to use at the time you install the MBX board. However, if you
have already installed the MBX, you can still connect an external battery
so long as utility connector J16 and jumper header J1 are accessible. If the
MBX is currently installed and running, keep in mind that data loss may
occur if power is not applied to the system when you remove the jumper
from J1.
To connect an external backup battery, refer to
the location of connectors and jumper headers and follow the steps below.
To complete this procedure, you will need cables and connectors as
appropriate for your application.
Warning To prevent serious injury or death from dangerous voltages, use extreme
caution when handling, testing, and adjusting this equipment and its
components.
Warning
Caution Avoid touching areas of integrated circuitry; static discharge can damage
circuits.
Caution
Attach an ESD strap to your wrist. Attach the other end of the ESD strap
ESD
Use ESD
to an electrical ground. (Note that the system chassis may not be grounded
if it is unplugged.) The ESD strap must be secured to your wrist and to
ground throughout the procedure.
Wrist Strap
1. While an external battery can be connected with power applied to the
system, we recommend that you perform a system shutdown and
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Connecting an External Battery
Figure 6-1 on page 6-2
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