Connectors: Ethernet Interface - Digi Conntect ME Hardware Reference Manual

A b o u t t h e D i g i C o n n e c t M E & D i g i C o n n e c t W i - M E E m b e d d e d M o d u l e s
Note

Connectors: Ethernet Interface

The Ethernet connector is an 8-wire RJ-45 jack that meets the ISO 8877 requirements for
10/100BASE-T. See the following figure and table for pin orientation and pin assignments.
Note
Power and Device Interface Connector Pin Assignments
Pin Signal
7 RXD
8 TXD
9 RTS / GPIO 4
10 DTR / GPIO 5
11 CTS / GPIO 2
12 DSR / GPIO 3
13 DCD / GPIO 1
14 RESET
15 +3.3V
16 GND
17-19 —
20 /INIT
The development board provides a reference design of a POE (Power Over
Ethernet) power supply. A schematic for this reference design is installed by
the setup program on the CD.
Pin orientation and assignments are the same for modules with or without a
JTAG connector.
Description
Receive Data (Input)
Transmit Data (Output)
Request to Send (Output) / GPIO
Data Terminal Ready (Output) / GPIO
Clear to Send (Input) / GPIO
Data Set Ready (Input) / GPIO
Data Carrier Detect (Input) / GPIO
Reset
Power
Ground
Reserved. Do not connect.
Software Reset
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