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