Moxa NE-4120S-T Leaflet

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Embedded Device Servers

NE-4100 embedded device servers can be configured to send an 
SNMP trap or e-mail under the following conditions:

Cold/warm start

•

Password authentication failure

•

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Moxa’s NE-4100 embedded device servers are designed for 
manufacturers who want to add sophisticated network connectivity 
to their serial devices. Moxa’s embedded device servers can be used 
to convert any device with a standard serial interface to an Ethernet-
enabled device in no time. The NE-4100 embedded device servers 

Change in DSR/DCD line signal

•

Change in IP address

•

Change in password

•

support 10/100 Mbps Ethernet, and provide ready-to-use operation 
modes, including TCP Server, TCP Client, and UDP. In addition, a 
Real COM driver is included for backward compatibility with legacy 
software.

1
2
3
4
5

Tx+
Tx-

Rx+
Rx-

Ethernet 

Pin-header

1

Tx+

2

Tx-

3

Rx+

6

Rx-

1

8

10    
8
6
4
2

9
7
5
3
1

NC
RTS0
GND
TxD0
DCD0

NC

CTS0

DSR0

DTR0

RxD0

14
12
10    
8
6
4
2

13
11
9
7
5
3
1

VCC(+5V)
VCC(+5V)
10M_LED
100M_LED
Ready_LED
Reset
RxD1

GND
GND

DIO0
DIO1
DIO2
DIO3

TxD1

10    
8
6
4
2

9
7
5
3
1

NC
NC
GND
RxD+ (Data+)
TxD-

NC
NC
NC

RxD- (Data-)

TxD+

For 2-wire RS-485 
mode,  Pin 3 is Data+, 
Pin 4 is Data-

36 mm (1.42 in)

45 mm (1.77 in)

1          ETx+ 
2          ETx- 
3          ERx+ 
4          ERx- 
5          LED 10M 
6          TxD0 
7          RxD0 
8          RTS0 
9          CTS0 
10        Reset 
11        GND 
12        GND 
13        TxD1

14        PIO0 
15        PIO1 
16        PIO2 
17        PIO3 
18        LED 100M 
19        DCD0 
20        DSR0 
21        DTR0 
22        GND 
23        Ready LED 
24        +5V 
25        +5V 
26        RxD1

(45 × 36 mm, 26-pin DIL package, 
2.54 mm pitch)