Moxa Technologies NE-4100 - Manual (Page 10)

NE-4100 Series User’s Manual Panel Layout and Pin Assignments
2-3
Pin Assignments
NE-4100T
Pin Signal Pin Signal
1 ETx+ 14 PIO0
2 ETx- 15 PIO1
3 ERx+ 16 PIO2
4 ERx- 17 PIO3
5 10M LED 18 100M LED
6 TXD 19 DCD
7 RXD 20 DSR
8 RTS 21 DTR
9 CTS 22 GND
10 Reset 23 Ready LED
11 GND 24 +5V
12 GND 25 +5V
13 TXD1* 26 RXD1*
*Pins 13 and 26 control the NE-4100-ST Debug Serial COM Port’s TXD and RXD signals. The
location of the Serial COM Port is shown in the figure on the previous page. This Serial COM
Port is not needed during normal operation. However, once the network fails and you wish to
configure your NE-4100T, you can connect the Debug Serial COM Port, and then use the serial
console to configure your NE-4100T.
Ethernet Signals: ETx+, ETx-, ERx+, ERx-
Serial Signals: TXD, RXD, RTS, CTS, DCD, DSR, DTR NOTE NE-4100T
LED Controls: 10M LED, 100M LED, Ready LED
NE-4100-ST Serial Port Pinouts
DB9 Male Connector for serial console
2
3
5
Pin
2
3
5
Signal
RXD
TXD
GND
DB9 Male Connector for Connecting Serial Devices
1
6
2
7
3
8
4
5
Pin
1
2
3
4
5
6
7
8
Signal
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS