IEI Integration AFL2-W19A-H61 v1.11 - Manual (Page 93)

AFL2-W19A/AB-H61
P a g e 74
The pinouts of the RS-422/485 serial ports are shown below.
Pin Description Pin Description
1 RXD485+ 2 RXD485#
3 TXD485+ 4 TXD485#
Table 5-5: RS-422/485 Serial Port Pinouts (COM3)
5.14.5 US B De vic e Co n n e c tio n
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 three USB 2.0 connectors and two USB 3.0 connectors on the
AFL2-W19A/AB-H61. To connect a USB device, please follow the instructions below.
S te p 1: Locate the USB connectors. The locations of the USB connectors are shown
in Chapter 1.
S te p 2: Align the connectors. Align the USB device connector with one of the
connectors on the bottom panel. See Figure 5-26.