Moxa Technologies NE-4100 - Manual (Page 17)

NE-4100 Series User’s Manual Panel Layout and Pin Assignments
2-10
Pin Assignments
Serial Header Pinouts (J1) for NE-4120S
9
7
5
3
1 10
8
6
4
2
NC
RTS0
GND
TxD0
DCD0 NC
CTS0
DSR0
DTR0
RxD0
Serial Header Pinouts (J1) for NE-4120A
9
7
5
3
1 10
8
6
4
2
NC
GND
NC
NC
NC
RxD-
TxD+
NC
RxD+
TxD-
NOTE The symbols “B” and “A” are often used in place of “+” and “-”, respectively.
NOTE For 2-wire RS-485 interface, pin 3 is for Data+ (B) and pin 4 is for Data- (A).
Ethernet Header Pinouts (J3) for NE-4120S/A
1
2
3
4
5 Tx+
Tx-
Rx+
Rx-
DIO and LED Header Pinouts (J2) for NE-4120S/A
9
7
5
3
1 10
8
6
4
2
11
13
12
14
Ready_LED
RxD1
Reset
100M_LED
10M_LED
VCC(+5V)
VCC(+5V)
TxD1
DIO3
DIO2
DIO1
DIO0
GND
GND