Selecting The Power Source; Disconnecting Power - Motorola G24-L Technical Information

Selecting the Power Source

The Developer Board can be powered using two different power sources:
•
Wall-mount power adapter (default source)
•
External DC power supply
Important:
Two jumpers are used for selecting the power source - P203 for Wall-mount adapter and P204 for
the external DC power supply
source is described in
Reference
P203 Wall-mount adapter
power selection jumper
P204 External DC power selec-
tion power.

Disconnecting Power

The Developer Board and G24-L supplies are separated by two jumpers (P200, P201)
(Figure 2-7, on page
G24-L.
Developer Board. Disconnecting power to the Developer Board is generally used to diagnose
a problem that may be caused by the board. This is independent of power supply to the G24-L,
which will continue to receive power. The Developer Board Power jumper (P201)
page 12) positions for connecting and disconnecting power to the Developer Board are shown in
Table 2-3.
G24-L. Disconnecting the power to the G24-L is generally used to connect an amperometer to
the jumper's two pins to measure the current through the G24-L. The G24-L Power Jumper
September 25, 2007
Only one power source can be used at any given time.
(Figure 2-7, on page
Table 2-2.
Table 2-2: Power Source Jumpers (P203, P204)
Description Jumper Connected
Wall mount adapter is used as the
power source for the G24-L
Developer board.
DC power is used as the power
source for the G24-L Developer
board.
12) that allow disconnecting the power to the Developer Board or to the
G24-L Developer's Kit
Chapter 2: Developer Board and Interfaces Description
12). The jumpers position for each power
Jumper Not
Connected
Wall adapter is NOT used.
DC power is NOT used.
(Figure 2-7, on
15