User's Manual

J2 680 System Manual
Version 1.0 May 11, 2012
19
USB Ports
T
he 680 has six external and 4 internal USB 2.0 ports. Of the six external ports (see
below) five ports are located in the cable well and one is located on the left side of the
unit for easy access. The four internal USB ports are as follows: one can be used for the
optional Finger Print Reader and is located on the MSR connecting point. The second
internal USB port is used for the PCT touch screen controller and the other internal USB
ports is designed for other optional internal devices. All the J2 680 USB ports can supply
1000ma of power, 500ma more than the normal for the USB specification.
PoweredUSB Ports
Of the 6 external USB 2.0 ports 3 are PoweredUSB ports. Located in the cable we
ll are
two +12V PoweredUSB ports and one +24V PoweredUSB port. These ports conform to
the PoweredUSB standard.
It should be noted that these three ports can also be used as standard USB ports as well.
Normal +5 USB devices will plug into the bottom half of the connector without a
problem.
USB Ports
Side USB Port