ADLINK aTCA-6200A - Manual (Page 22)

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3.3 IO Interfaces
3.3.1 USB
The aTCA-6200 supports six USB 2.0 ports:
ƒ Three Type-A ports on front panel
ƒ Three ports routed to RTM
On the USB 2.0 front panel port, a USB cable with 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 below 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.
Front Panel USB Connector (CN9-11)
Note: The aTCA-6200 host interfaces can be used with 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.
Pin USB 2.0 Signal Names
1 VCC
2 Data-
3 Data+
4 GND