IEI Integration TANK-800-D525 v1.00 - Manual (Page 48)

TANK-800 Embedded System
Page 38
3.9.1 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-800 is in ACC
On mode, the main power input is Power 1 connector and the backup power is from Power
2 connector.
3.9.1.1 Boot-up
When both power connectors are connected to power source with over 9 V power input,
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 3-27: ACC On: AT Mode
Figure 3-28: ACC On: ATX Mode