Connector DB9 FEMALE- 9 Pin
Connector DB9 MALE- 9 Pin
| Pin | Function |
|---|---|
| 1 | Output--Connects to the Carrier Detect (CD) input |
| 2 | Output--Connects to the Received Data (RXD) input |
| 3 | Input--Connects to the Transmitted Data (TXD) output |
| 4 | Input--Connects to the Data Terminal Ready (DTR) output |
| 5 | Signal Ground |
| 6 | Output--Connects to the Data Set Ready (DSR) input |
| 7 | Not used |
| 8 | Not used |
| 9 | Not used |