Serial (PC 9)
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| − | 9 PIN | + | 9 PIN DE-9 MALE at the Computer. |
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| + | [[Image:dsub9f.png]] | ||
| + | |||
| + | 9 PIN DE-9 FEMALE at the Cable. | ||
{| {{border}} | {| {{border}} | ||
! Pin !! Name !! RS232 !! V.24 !! Dir !! Description | ! Pin !! Name !! RS232 !! V.24 !! Dir !! Description | ||
|- | |- | ||
| − | | 1 || CD || CF || 109 || {{arrowl}} || Carrier Detect | + | | 1 || (D)CD || CF || 109 || {{arrowl}} || (Data) Carrier Detect |
|- | |- | ||
| 2 || RXD || BB || 104 || {{arrowl}} || Receive Data | | 2 || RXD || BB || 104 || {{arrowl}} || Receive Data | ||
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* RS232 column is RS232 circuit name. | * RS232 column is RS232 circuit name. | ||
* V.24 column is ITU-TSS V.24 circuit name. | * V.24 column is ITU-TSS V.24 circuit name. | ||
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| + | == Technical == | ||
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| + | [[Image:RS232_Diagram.svg]] | ||
== Contributions == | == Contributions == | ||
Latest revision as of 17:18, 18 September 2008
Also known as EIA/TIA 574.
Pinout
9 PIN DE-9 MALE at the Computer.
9 PIN DE-9 FEMALE at the Cable.
| Pin | Name | RS232 | V.24 | Dir | Description |
|---|---|---|---|---|---|
| 1 | (D)CD | CF | 109 |  |
(Data) Carrier Detect |
| 2 | RXD | BB | 104 | |
Receive Data |
| 3 | TXD | BA | 103 |  |
Transmit Data |
| 4 | DTR | CD | 108.2 | |
Data Terminal Ready |
| 5 | GND | AB | 102 |  |
System Ground |
| 6 | DSR | CC | 107 | |
Data Set Ready |
| 7 | RTS | CA | 105 | |
Request to Send |
| 8 | CTS | CB | 106 | |
Clear to Send |
| 9 | RI | CE | 125 | |
Ring Indicator |
Notes:
- Direction is DTE (Computer) relative DCE (Modem).
- RS232 column is RS232 circuit name.
- V.24 column is ITU-TSS V.24 circuit name.
Technical
