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 |
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