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Serial Ports
The MPC-2000 series has two software-selectable RS-232/422/485 DB9
serial ports. Refer to the MPC-2000 Series Hardware Manual for
information on serial port configuration. The pin assignments for the ports
are shown in the following table.
Pin RS-232
RS-422
RS-485
(4-wire)
RS-485
(2-wire)
1
DCD
TxDA(-)
TxDA(-)
–
2
RxD
TxDB(+)
TxDB(+)
–
3
TxD
RxDB(+) RxDB(+) DataB(+)
4
DTR
RxDA(-)
RxDA(-)
DataA(-)
5
GND
GND
GND
GND
6
DSR
–
–
–
7
RTS
–
–
–
8
CTS
–
–
–
Ethernet Ports
The pin assignments for the two Gigabit Ethernet 100/1000 Mbps RJ45
ports are shown in the following table.
Pin
100 Mbps
1000 Mbps
1
ETx+
TRD(0)+
2
ETx-
TRD(0)-
3
ERx+
TRD(1)+
4
–
TRD(2)+
5
–
TRD(2)-
6
ERx-
TRD(1)-
7
–
TRD(3)+
8
–
TRD(3)-
The following table describes the LAN LED indicators.
LAN
(on connectors)
Green
100 Mbps Ethernet mode
Yellow
1000 Mbps (Gigabit) Ethernet mode
Off
No activity or 10 Mbps Ethernet mode
NMEA Ports
The MPC-2000 series comes with eight NMEA
ports on the bottom panel. The figure shows
the pin assignments.
