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Updated
March 20th 2007
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9-25 Pin Null Modem Cable
Use this cable between two DTE devices (for instance two computers).
(To Computer 1).
(To
Computer 2).
9 PIN D-SUB FEMALE to Computer 1.
25 PIN D-SUB FEMALE to Computer 2.
| D-Sub 9 | D-Sub 25 | ||
|---|---|---|---|
| Recieve Data | 2 | 2 | Transmit Data |
| Transmit Data | 3 | 3 | Recieve Data |
| Data Terminal Ready | 4 | 6+8 | Data Set Ready + Carrier Detect |
| System Ground | 5 | 7 | System Ground |
| Data Set Ready + Carrier Detect | 6+1 | 20 | Data Terminal Ready |
| Request to Send | 7 | 5 | Clear to Send |
| Clear to Send | 8 | 4 | Request to Send |
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