Ports; Serial Port 1 (P1) And Serial Port 2 (P2); Ethernet Port (P12) - Digi Connect EM DC-EM02T-JT Hardware Reference Manual

Ports

The development board provides the following ports:

Serial Port 1 (P1) and Serial Port 2 (P2)

n

Ethernet Port (P12)

n
GPIO Port (P3)
n
Serial port 1 (P1) and serial port 2 (P2)
Serial port 1 and port 2 are DB-9 male connectors labeled P1 and P2. Use the following figure and
table for pin orientation and pin assignment information.
Serial port pin orientation
Por
Signal
t pin 1
1 DCD
2 Not
connecte
d
Ethernet port (P12)
The Ethernet port of the Digi Connect EM embedded module (labeled P12) is an 8-pin
RJ-45 jack meeting the requirements of ISO 8877 for 10/100Base-T. When two descriptions are shown
for a pin, the second is for use with 802.3af powered Ethernet.
Digi Connect EM and Digi Connect Wi-EM Hardware Reference
Serial pin assignment
Signa Signa
l l Signal
pin 2 pin 3 pin 4
RXD TXD DTR
RXD TXD Not
connecte
d
Signa
l Signal Signal
pin 5 pin 6 pin 7
GND DSR RTS
GND Not Not
connecte connecte
d d
Signal Signal
pin 8 pin 9
CTS Not
connecte
d
Not Not
connecte connecte
d d
17