Re: [mh] Ethernet serial connection

[Rick S. <mis...@co...>]

Yes, but the question is, "Is the wiring in the manual standard?" 
Because it didn't look so to me.  David's seems to correspond to the 
manual at least.



At 08:03 PM 8/12/2007, Andy McCallum wrote:

>   Their is a standard for wiring RS232 onto a RJ45 plug. Have a look at:
>
> 
><http://www.zytrax.com/tech/layer_1/cables/tech_rs232.htm#rj45>http://www.zytrax.com/tech/layer_1/cables/tech_rs232.htm#rj45
>
>Andy.
>
>David Satterfield wrote:
>>Hi Rick,
>>
>>I assume you are trying to emulate a standard db-9 male serial port 
>>found on a normal PC (e.g. you are going to plug this into a modem 
>>type (DCE) device). I followed the recipe for a DB25M (figure 5) 
>>and then mapped it to a DB9.
>>
>>In that case, I think this is the mapping:
>>
>>RJ45 Pin     DB-25M   DB-9M   Signal
>>-------------     ------------   --------     --------
>>1                     5           8         CTS
>>2                    20          4         DTR
>>3                     7           5         GND
>>4                     2           3         TXD
>>5                     3           2         RXD
>>6                     8           1         DCD
>>7                     6           6         DSR
>>8                     4           7         RTS
>>
>>
>> >Hey!
>>
>> >I recently obtained the Avocent ESP-16 (
>> >ftp://eqnxweb.securesites.net/manuals/esp_serial_hub/590272001a.pdf )
>>
>> >It's a device that lets you connect your serial devices to it, and
>> >then connect to the serial devices over the lan.
>>
>> >Can someone take a look at it for me?
>>
>> >Thx!
>>
>> >Rick
>>
>>
>>Be a better Heartthrob. 
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>>
>>
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Rick Steeves
ri...@si...                               http://www.sinister.net

And then I have to think more carefully, "What would Bugs Bunny do in 
a situation like this?"


Rick Steeves
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