[aprssig] RJ45/RS232 Again

Daron J. Wilson daron at wilson.org
Mon Mar 13 17:07:22 EST 2006


> Cisco DB9       Modular    Rollover        Modular          TNC DB25
> to Modular      Plug       Modular cable   Plug             to Modular
> Adapter                                                     Adapter
> 
> 
> 1 - NC
> 2 --------------- 6 ------------------------ 3 --------------- 2 - TD
> 3 --------------- 3 ------------------------ 6 --------------- 3 - RD
> 4 --------------- 2 ------------------------ 7 --------------- 6 - DSR
> 5 --------------- 4,5 ----------------------5,4 -------------- 7 - SG
> 6 --------------- 7 ------------------------ 2 --------------- 20 - DTR
> 7 --------------- 1 ------------------------ 8 --------------- 5 - CTS
> 8 --------------- 8 ------------------------ 1 --------------- 4 - RTS
> 9 - NC
> 

Oops, roll pins 2 and 3 on the DB25 end, this should be a null cable as I
drew it, you want straight three serial, sorry.

Daron





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