W7500S2E-R1 serial to Ethernet module
W7500S2E-R1 user manual
4
Table 2-1 W7500S2E-R1 J1 pin definition
Pin No.
Pin Name
I/O
Function
1
NC11
-
-
2
NC10
-
-
3
NC9
-
-
4
NC8
-
-
5
DATA_LED
O
Ethernet Status Indicator
6
TXD
O
Serial output signal
7
RXD
I
Serial input signal
8
RTS
I/O
Serial RTS signal
9
DEFAULT
I
Active low, pull down over 3s for factory reset
10
RESET
I
Hardware reset pin
11
GND
-
GND
12
GND
-
GND
Table 2-2 W7500S2E-R1 J2 pin definition
Pin No.
Pin Name
I/O
Function
13
VCC
-
VCC
14
VCC
-
VCC
15
LINK_LED
O
Ethernet link indicator
16
NC7
-
-
17
NC6
-
-
18
NC5
-
-
19
NC4
-
-
20
NC3
-
-
21
CTS
I/O
Serial CTS signal pin
22
NC2
-
-
23
NC1
-
-