Manual

ECN-680A-H61 Embedded System
Page 38
Figure 3-30: DB-9 Connector Pinout Location
Pin Description Pin Description
1 DCD 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI
Table 3-5: DB-9 Serial Ports Pinouts
3.11.7 USB Device Connection
NOTE:
User must install the USB 3.0 driver before connecting a USB device to
the system or else the system may not recognize the connected
device.
There are four USB 2.0 connectors and two USB 3.0 connectors on the ECN-680A-H61.
To connect a USB device, please follow the instructions below.
Step 1: Locate the USB connectors. The locations of the USB connectors are shown
in Chapter 1.
Step 2: Align the connectors. Align the USB device connector with one of the
connectors on the external peripheral interface. See Figure 3-31.