USR-WIFI232-D2 Hardware Manual
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2.3. UART Interface
UART is serial data interface that can connect the RS-232 chip and transfer to the RS-232 level. UART
interface includes TXD/RXD/RTS/CTS.Take the RS-232 level as a reference circuit diagram as follow:
Figure 4 UART interface
2.4. 10/100M Ethernet Interface
USR-WIFI232-D2 provide two 10/100M Ethernet Interfaces and support Ethernet Interface with transformer
design.
Put Ethernet transformer and RJ45 connector on user board is a standard 10/100M Ethernet Interface.
Reference circuit diagram as follow:
Figure 5 10/100M Ethernet Interface