[c-nsp] can not configure modem by router

[s m]

thanks Christain,
you help me alot. thanks

On Sun, Nov 18, 2012 at 12:29 PM, Christian Kratzer <ck-lists at cksoft.de>wrote:

> Hi,
>
>
> On Sun, 18 Nov 2012, s m wrote:
>
>> thanks Juergen
>> what i've got from your words is: for connecting modem to cisco we should
>> reverse send and receive while for connecting cisco to PC it should be
>> straight. is it true or i  misunderstand what you mean?
>>
>
> exactly the opposite:
>
> For Cisco to PC you need a rolled cable as both devices classify as DTE
> (Data Terminal Equipment).
>
> For Cisco to Modem you need a straight cable as the modem is a DCE (Date
> Communication Equipment).
>
> The blue console cable is a rolled cable. If you look at the connectors
> closely and you will see the colors reversed.
>
> So just grab a regular patch cable and you should be fine.
>
> Greetings
> Christain
>
>
>  this connection is so important for me therefore i want to buy a cable but
>> don't know what exactly cable i should buy. please help me to buy a
>> correct
>> one.
>>
>> thanks for your attention
>>
>> On Sat, Nov 17, 2012 at 6:04 PM, Juergen Marenda <cnsp at marenda.net>
>> wrote:
>>
>>  On Sat, Nov 17, 2012 at 02:22:58PM +0330, s m wrote:
>>>
>>>> hello guys
>>>>
>>>> i wanna connect a modem to a 2800 router by AUX port. this is my
>>>> configuration:
>>>> modem InOut
>>>> modem autoconfigure discovery
>>>> transport input all
>>>> stopbits 1
>>>> speed 38400
>>>> flowcontrol hardware
>>>>
>>>> the speed value changes because "mode autoconfigure discovery" is set.
>>>>
>>>> i used blue console cable RJ45 to DB9 for connecting AUX port to modem.
>>>>
>>>
>>> use the black cable or the supplied 9-to-25 CON-MODEM-adapter.
>>> the light-blue cable is to connect to a PC-AT Serial Port.
>>>
>>> Or crimp an RJ45 Plug reverse on the router's end of the cable .
>>>
>>> Or use a NULLmodemcable beetween Modem and DB9 "con" .
>>>
>>> You should be able to telnet ip-of-your-router 2001 ,
>>> authenticate at router, and then speak with the modem.
>>>
>>> If you connect PC with Hyperterm instead of the modem,
>>> and this works, then it will not work with the modem,
>>> and you need to get/build a fitting cable, see above.
>>>
>>>
>>> [...]
>>>
>>>> i read when the connection is correct, modem hardware stats should be
>>>> CTS
>>>>  not noCTS. moreover i can not do reverse telnet to modem.
>>>>
>>>
>>> YOur cabling is wrong, both sides SEND and RECIVE Lines are connected
>>> together
>>> (RS232 i must be shorit-ciruit proof, +-12 V...)
>>>
>>>>
>>>> please let me know how i should fix it and configure my modem by  AT
>>>> commands.
>>>>
>>>
>>> Hope this helps,
>>>
>>> Juergen.
>>>
>>>
>>>  _______________________________________________
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>> https://puck.nether.net/mailman/listinfo/cisco-nsp
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>>
>>
> --
> Christian Kratzer                      CK Software GmbH
> Email:   ck at cksoft.de                  Wildberger Weg 24/2
> Phone:   +49 7032 893 997 - 0          D-71126 Gaeufelden
> Fax:     +49 7032 893 997 - 9          HRB 245288, Amtsgericht Stuttgart
> Web:     http://www.cksoft.de/         Geschaeftsfuehrer: Christian
> Kratzer
>