1 acc on, 1 boot-up, Figure 3-36: acc on: at mode – IEI Integration TANK-720-Q67 User Manual
Page 55: Figure 3-37: acc on: atx mode
TANK-720 Em b e d d e d S ys te m
P a g e 43
3.11.1 ACC ON
NOTE:
In ACC On mode, the Power 1 connector must connect to ACC on
signal to be able to control the system power.
The ACC On mode is designed for vehicle applications. When the TANK-720 is in ACC
On mode, the main power input is Power 1 connector and the backup power is from Power
2 connector.
3.11.1.1 Bo o t-u p
When both power connectors are connected to a power source with over 9 V, the two
power LEDs on the front panel remain off until the ACC ON signal jump from low to
high. The user can choose to use AT power mode or ATX power mode to control the
system. The following flow diagrams show the boot-up process and the LED status in AT
and ATX power modes.
Figure 3-36: ACC On: AT Mode
Figure 3-37: ACC On: ATX Mode