(At the Computer)
9 PIN D-SUB FEMALE at the Computer.
Pin |
Name |
Dir |
Description |
1 |
PG |
- |
Protective Ground |
2 |
TXD |
 |
Transmit Data |
3 |
RXD |
 |
Receive Data |
4 |
RTS |
 |
Request to Send |
5 |
CTS |
 |
Clear to Send |
6 |
DSR |
 |
Data Set Ready |
7 |
GND |
- |
Signal Ground |
8 |
DCD |
 |
Carrier Detect |
9 |
DTR |
 |
Data Terminal Ready |
Note: Direction is DTE (Computer) relative DCE (Modem).
Source: [The Hardware Book]
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