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db9cab1 Null modem cable
Status active
Part numbers db9cab1 = DB9F - DB9F null modem cable
Spec Null modem cable (RXD / TXD / handshake crossed over) for connection between ALIX / WRAP boards and a regular PC. Length varies depending on supplier, usually 1.8 or 2m.
Wiring 1 DCD, 6 DSR - 4 DTR
2 RXD - 3 TXD
3 TXD - 2 RXD
4 DTR - 1 DCD, 6 DSR
5 GND - 5 GND
7 RTS - 8 CTS
8 CTS - 7 RTS
9 RI = no connect
(also see Wikipedia)
Origin China
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