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SX-AuroraTSUBASA A300-8 User's Guide
Universal Serial Bus (USB) Ports
Four USB 3.0 port (USB1/2, 3/4) are located on the I/O back panel. A Type A internal USB
2.0 header provides front access. Connect appropriate cables here to use USB support. (USB
cables are not included).
Unit Identifier Switch/UID LED Indicator
A Unit Identifier (UID) switch and a rear UID LED (LE1) are located on the I/O back panel.
front UID switch is located on pins 7 & 8 of the front panel control (JF1). When you press the
rear UID switch, both front and rear UID LEDs will be turned on. Press the UID switch again to
turn off the LED indicators. The UID indicators provide easy identification of a system that may
be in need of service.
Back Panel USB (3.0)
Pin Definitions
Pin#
Definition
Pin#
1
VBUS
10
2
D-
11
3
D+
12
4
Ground
13
5
StdA_SSRX-
14
6
StdA_SSRX+
15
7
GND_DRAIN
16
8
StdA_SSTX-
17
9
StdA_SSTX+
18
USB (2.0)
Pin Definitions
Pin#
Definition
1
Vcc
2
Data-
3
Data+
4
Ground
UID LED
Pin Definitions
Color
Status
Blue: On
Unit Identified
13
Definition
Power
USB 2.0 Differential Pair
Ground of PWR Return
SuperSpeed Receiver
Differential Pair
Ground for Signal Return
SuperSpeed Transmitter
Differential Pair
A
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