User Manual
Embedded EtherNet/IP Module
GS11-EI
6
Pins
Signals
Descriptions
Pin 1
TXD+
Transmit Data+
Pin 2
TXD-
Transmit Data-
Pin 3
RXD+
Receive Data+
Pin 4
BID+
Bi-directional Data+
Pin 5
BID-
Bi-directional Data-
Pin 6
RXD-
Receive Data-
Pin 7
BID+
Bi-directional Data+
Pin 8
BID-
Bi-directional Data-
2.3.2 Host Interface
GS11-EI has a 20-pin socket connector (needle-type), including power, UART and GPIO. The pin position
and definition are as follows:
Pins
Signals
Description
1 ~ 6
NC
Reserved
7
RXD
UART Receive (Input), connect with TXD of host processor or MCU
8
TXD
UART Transmit (Output), connect with RXD of host processor or MCU
9
GPIO
Reserved
10
/RUN
The status of GS11-EI (Output), and need a 10K pull-up resistor on user board.
Logic 1: The GS11-EI module is in starting.
Logic 0: The module’s start has been completed. (Include waiting for initialization
state, start the EtherNet/IP protocol stack and data exchange state, etc.)
