Hexin Technology HXSP-2108E-M TTL Serial to Ethernet Module User Manual
Page 2
J1 pins description
Pin 1
Gnd
Ground connection
Pin 2
Rx-
Ethernet Rx- connection
Pin 3
Rx+
Ethernet Rx- connection
Pin 4
Gnd
Ground Connection
Pin 5
Tx-
Ethernet Tx- connection
Pin 6
Tx+
Ethernet Tx+ connection
Pin 7
Gnd
Ground connection
Pin 8
Act
Activate indicator LED connection (see scheamtic)
Pin 9
Link
Link indicator LED Connection (see scheamtic)
Pin 10
NC
No connection
Pin 11
Status
Status indicator LED connection (see scheamtic)
Pin 12
Vcc
5V connection
J2 pins description
Pin 1
Vcc
5V connection
Pin 2
RST
SPI reset
Pin 3
SCK
SPI clock
Pin 4
MISO
SPI MISO (Master In Slave Out)
Pin 5
MOSI
SPI MOSI (Master Out Slave In)
Pin 6
Gnd
Ground connection
Pin 7
Rxd
TTL/CMOS compatible receive pin
Pin 8
Txd
TTL/CMOS compatible transmit pin
Pin 9
Gnd
Ground connection
Pin 10
CTS
TTL/CMOS compatible CTS pin
Pin 11
RTS
TTL/CMOS compatible RTS pin
Pin 12
Gnd
Ground connection