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NE-4100 Series User’s Manual Panel Layout and Pin Assignments
2-4
NE-4100-ST Serial Port Pinouts (DB9 Male)
Debug Serial Port for Serial Console RS-232 Port for Connecting Serial Devices
2
3
5
Pin
2
3
5
Signal
RXD
TXD
GND
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
DIO Terminal Block
D0 D1 D2 D3
Block Diagrams
Tx Rx
+5 VDC
1 MB SDRAM 2 MB Flash
80186 CPU
GPIO Port
PIO0 - PIO3
MAC
Line
Driver
Serial Console
interface
RJ45
10M
LED
100M
LED
10/100M
Ethernet PHY
Transformer
1.5 KV Isolation
UART0
UART1
Customer's Device
UART
Ready
LED
TTL Serial data
(Tx, Rx, RTS, CTS,
DTR, DSR, DCD)