MGate EIP3000 Series User’s Manual  | Pin Assignments  | 
DB9 (Male)
The MGate EIP3000 uses DB9 (male) serial ports to connect DF1 devices. Each port supports two serial interfaces:
RS-232  and RS-422. 
15
6 9
Pin | ||
  | 
  | 
  | 
1  | DCD  | TxD-  | 
2  | RxD  | TxD+  | 
3  | TxD  | RxD+  | 
4  | DTR  | RxD-  | 
5  | GND  | GND  | 
6  | DSR  | |
7  | RTS  | |
8  | CTS  | |
EIP3170, EIP3170I | 
  | |
  | 
  | 
  | 
Pin | 
  | |
  | 
  | 
  | 
1  | DCD  | 
  | 
2  | RxD  | 
  | 
3  | TxD  | 
  | 
4  | DTR  | 
  | 
5  | GND  | 
  | 
6  | DSR  | 
  | 
7  | RTS  | 
  | 
8  | CTS  | 
  |