Connectors: Ethernet Interface; Ethernet Interface Pin Orientation; Jtag Jumper - Digi Connect ME Hardware Reference Manual

About the Digi Connect ME family of embedded modules

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 Pin orientation and assignments are the same for modules with or without a JTAG connector.

Ethernet interface pin orientation

Pin 1 Pin 2
TXD+ TXD-
Transmit Transmit
Data + Data -

JTAG jumper

The J1 controls the way in which the Digi Connect ME 9210 JTAG device responds to pin 14 being
pulled low.
Digi Connect ME, Wi-ME, ME 9210, Wi-ME 9210 Hardware Reference Manual
Ethernet Interface Pin Assignments
Pin 3 Pin 4
RXD+ EPWR+
Receive Power from
Data + Switch +
Jumper
None
1-2
2-3

Connectors: Ethernet interface

Pin 5 Pin 6 Pin 7
EPWR+ RXD- EPWR-
Power from Receive Power from
Switch + Data - Switch -
Result
No reset
Hard reset
Soft reset
Pin 8
EPWR-
Power from
Switch -
15