emPC-CX+
(
Hardware Manual
)
•
Installation
4 - 13
Rev. 1.3
©
Janz Tec AG
The two LEDs indicate Ethernet status as follows:
LED1
LED2
No activity
No Link
Activity
10/100/1000 MBit Link
4.2.4
USB type A receptacle (USB1-USB4)
Four USB interfaces are available at the connector panel.
If the system’s COM Express Module supports USB 3.0, then Super Speed USB is available on the
supported ports. USB 2.0 is available on all connectors.
The color coding of the connectors is blue, regardless whether USB 3.0 is available or not.
The USB connectors provide standby power, thus wake on USB is possible.
NOTICE
Although each port can deliver supply current of 900 mA, the overall load on USB1 to
USB4 interfaces should be limited to 1500 mA to prevent power supply from overheating.
4.2.5
CFast card
The cFAST memory card is accessible after removing the cover on the connector panel of system.
Push the ejector button to remove.
CFast
Figure 5: CFast slot cover
NOTICE
The CFast card
must NOT be inserted or removed
when power is applied to the
1 MDI0+
5 MDI2+
2 MDI0-
6 MDI2-
3 MDI1+
7 MDI3+
4 MDI1-
8 MDI3-
1
table 3: Ethernet connector
1 +5V, I
MAX
= 900 mA, 1500 mA total
2 USB-
3 USB+
4 GND
5 SSRX-
6 SSRX+
7 GND_DRAIN
8 SSTX-
9 SSTX+
table 4: USB connector
