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CableCreation CD0486 USB to Female RS-232 Adapter (view source)
Revision as of 07:43, 12 February 2024
, 12 Februaryupdated pinout notes
== Wiring ==
== Wiring ==
This USB to RS-232 is configured as a DCE <i>not</i> a DTE, it is expecting to communicate with a DTE.
This USB to RS-232 is mostly configured as a DCE <i>not</i> a DTE, it is expecting to communicate with a DTE. <i>Mostly</i> because pins 1 and 9 have the wrong direction, they are not outputs, whether or not they are actually inputs needs to be verified...
{| class="wikitable"
{| class="wikitable"
! Function
! Function
! Direction
! Direction
! Note
|-
|-
| 1
| 1
| DCD
| DCD
| PC ← device
| PC ← device
| supposed to be an output for DCE?
|-
|-
| 2
| 2
| TXD
| RXD
| PC → device
| PC → device
|
|-
|-
| 3
| 3
| RXD
| TXD
| PC ← device
| PC ← device
|
|-
|-
| 4
| 4
| DTR
| DTR
| PC → device
| PC ← device
|
|-
|-
| 5
| 5
| GND
| GND
| PC ↔ device
| PC ↔ device
|
|-
|-
| 6
| 6
| DSR
| DSR
| PC ← device
| PC → device
|
|-
|-
| 7
| 7
| RTS
| RTS
| PC → device
| PC ← device
|
|-
|-
| 8
| 8
| CTS
| CTS
| PC ← device
| PC → device
|
|-
|-
| 9
| 9
| RI
| RI
| PC ← device
| PC ← device
| supposed to be an output for DCE?
|-
|-
| (shield)
| (shield)
| shield
| shield
| PC ↔ device
| PC ↔ device
|
|}
|}