Table 5-1 Power Management State Changes
Starting State
Event
Resulting State
Unplugged
AC power is connected to a wall outlet and the
last recorded power state was not the ON state.
NOPOWER
NOPOWER
The operator presses the power button for less
than 1 second.
ON
NOPOWER
The operator presses the power button for
more than 4 seconds.
ON
NOPOWER
A server application sends a Wake On LAN
command.
ON
NOPOWER
AC power fails and then is restored.
NOPOWER*
ON
The operator presses the power button for less
than 1 second.
NOPOWER**
ON
The application shuts down the workstation.
NOPOWER
ON
The Client Application Loader sends a Restart
command.
NOPOWER and then ON
ON
AC power fails and then is restored.
ON*
*Based on the default BIOS power settings.
**Microsoft Windows: Pressing the power button begins a graceful shutdown. This
behavior is based on the Windows power button management setting. Oracle Linux
for MICROS: Pressing the power button initiates a graceful shutdown, but shutdown
may take up to 10 seconds to complete.
Power Considerations for Peripheral Devices
The following table specifies the I/O port or connectors, their related power bus, and
the power consumed by the port, depending on BIOS or Diagnostics Utility
configurations. Use the table when considering peripherals.
Table 5-2 Port Power Specifications
Port or Connector
Available Power Capability
12V Power Output
+12V @ 2.5A (30W)
12V Power USB Header
+12V @ 1.5A (18W)
Series 2 Cash Drawer
Can be configured as +24V or +12V, with a
shared 1A rating
USB 2.0
+5V @ 0.5A (2.5W)
Customer Display
+5V @ 1.5A (7.5W)
High Speed USB
+5V @ 0.9A (4.5W)
24V Power USB
+24V @ 3.5A (84W)
RJ-45 Powered Serial
Can be configured as:
•
+5V @ 1.0A (5W)
•
+9V @ 1.0A (9W)
•
+12V @ 1.0A (12W)
Chapter 5
Power Considerations for Peripheral Devices
5-2
