CableCreation CD0486 USB to Female RS-232 Adapter: Difference between revisions

← Older edit

@@ Line 5: / Line 5: @@
 == Overview ==
-USB to RS-232 with female DE9 plug (male jackscrews) amd a DCE pinout, not normally found on a PC that would typically have a male DE9 DTE pinout. When DCE is needed though, this adapter would make a null modem (crossover) cable unnecessary. If needed a DTE pinout though, you would have to go back to using a null model cable...
+USB to RS-232 with female DE9 plug (male jackscrews) and a <i>mostly</i> DCE pinout, not normally found on a PC that would typically have a male DE9 DTE pinout. When DCE is needed though, this adapter would make a null modem (crossover) cable unnecessary. If needed a DTE pinout though, you would have to go back to using a null model cable...
 == 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"
@@ Line 15: / Line 15: @@
 ! Function
 ! Direction
+! Note
 |-
 | 1
 | DCD
 | PC &larr; device
+| supposed to be an output for DCE?
 |-
 | 2
-| TXD
+| RXD
 | PC &rarr; device
+|
 |-
 | 3
-| RXD
+| TXD
 | PC &larr; device
+|
 |-
 | 4
 | DTR
-| PC &rarr; device
+| PC &larr; device
+|
 |-
 | 5
 | GND
 | PC &harr; device
+|
 |-
 | 6
 | DSR
-| PC &larr; device
+| PC &rarr; device
+|
 |-
 | 7
 | RTS
-| PC &rarr; device
+| PC &larr; device
+|
 |-
 | 8
 | CTS
-| PC &larr; device
+| PC &rarr; device
+|
 |-
 | 9
 | RI
 | PC &larr; device
+| supposed to be an output for DCE?
 |-
 | (shield)
 | shield
 | PC &harr; device
+|
 |}