11
TXOP1
I/O
10/100 PHY Port #1 TXP
12
TXON1
I/O
10/100 PHY Port #1 TXN
13
RXIP2
I/O
10/100 PHY Port #2 TXP
14
RXIN2
I/O
10/100 PHY Port #2 TXN
15
RXIN1
I/O
10/100 PHY Port #1 RXN
16
RXIP1
I/O
10/100 PHY Port #1 RXP
17
TXON2
I/O
10/100 PHY Port #2 OXN
18
TXOP2
I/O
10/100 PHY Port #2 OXP
19
GPIO2
I
General GPIO Reserved
20
UART_RX
I
UART RXD.
21
UART_TX
O
UART TXD.
22
GPIO3
I
General GPIO Reserved
23
LINK2
I/O
10/100 PHY Port #2 activity LED
24
GPIO4
O
General GPIO Reserved
25
WPS/RST
I
WiFi Protected Setup /Restore factory value
26
GPIO5
O
General GPIO Reserved
27
VO1.8
Power Out
1.8V Output (Suuport Atmost 300mA)
28
VCC5V
Power In
Supply Voltage, 5V+/-10%
Notes: The I/O port level voltage is 3.3 V
3 Quick Start
3.1 Restore factory settings
In order to ensure that all of the configuration process is correct，bring the module to restore the
factory settings first. If it is already in factory mode, you can skip this step. Power on the module
with 5V (350mA) electric source, wait about 30 seconds, After starting, Lower ES/RST pin more
than Trst, release of ES/RST feet, the system will automatically restart. After rebooting the system
the module is already in Factory mode.
3.2 Configurate network parameter
Set the PC to static IP mode and then connect it with the module via Ethernet or wifi. The IP
address is set to 192.168.16.100/255.255.255.0, gateway 192.168.16.254. The (wifi default ssid and
the default password, see this document.) open the browser http://192.168.16.254, enter the web
configuration page, default user name and password is admin / admin. Modify the network
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