ADLINK aTCA-9710 - Manual (Page 22)

22
3.3 I/O Interfaces
3.3.1 USB
The aTCA-9710 supports Five USB 2.0 ports:
ƒ 3x Type-A ports on front panel
ƒ Two ports routed to RTM (available on the aTCA-R6280 RTM)
On the USB 2.0 front panel port, a USB cable up to 5 meters in length can be used.
On the USB 2.0 Rear I/O ports, it is strongly recommended to use a cable less than 3 meters
in length for USB 2.0 devices.
The USB 2.0 ports are high-speed, full-speed, and low-speed capable. Hi-speed USB 2.0
allows data transfers of up to 480 Mb/s, 40 times faster than a full-speed USB (USB 1.1).
One USB peripheral may be connected to each port.
With the aTCA-R6280 RTM, the aTCA-9710 supports two additional USB ports on the I/O
panel of the RTM.
USB Connector Pin Definition (Type A)
Pin Signal
1 5V USB VCC
2 USB-
3 USB+
4 GND USB
Note: The aTCA-9710 host interfaces can be used with a maximum 500mA continuous load
current as specified in the Universal Serial Bus Specification, Revision 2.0. Short circuit
protection is provided. All the signal lines are EMI filtered.