[mdlug] Serial port use to connect to a network switch - Ubuntu 14 .04

gib at juno.com gib at juno.com
Sun Mar 15 11:04:39 EDT 2015


I can't find one locally.

---------- Original Message ----------
From: Ethan A Rivett <rivettea at hotmail.com>
To: MDLUG's Main discussion list <mdlug at mdlug.org>
Subject: Re: [mdlug] Serial port use to connect to a network switch - Ubuntu 14 .04
Date: Sun, 15 Mar 2015 14:48:39 +0000

If you're concerned about the cable, and you want a quick remedy, you can just buy another cable.

> From: gib at juno.com
> Date: Sun, 15 Mar 2015 02:07:31 +0000
> To: mdlug at mdlug.org
> CC: mdlug at mdlug.org
> Subject: Re: [mdlug] Serial port use to connect to a network switch - Ubuntu	14		 .04
> 
> Yeah, I looked all over Microcenter and I couldn't find one.
> 
> I just hope I can solve this issue before the time it would take for a mail order item to arrive.
> 
> ---------- Original Message ----------
> From: Brian Brodsky <brianbrodsky at ameritech.net>
> To: MDLUG's Main discussion list <mdlug at mdlug.org>
> Subject: Re: [mdlug] Serial port use to connect to a network switch - Ubuntu 14	 .04
> Date: Sat, 14 Mar 2015 05:55:06 -0400
> 
> Gib,
> 
> I do not see them available locally. If you do not have one and want to 
> buy one the cheapest I saw online was $24. 
> http://www.amazon.com/RS232-DB25-BREAK-OUT-BOX-TESTER/dp/B005H46XS2/ref=sr_1_1?s=pc&ie=UTF8&qid=1426326591&sr=1-1&keywords=breakout+box
> 
> On 03/13/2015 09:46 PM, gib at juno.com wrote:
> > I'm wondering if Microcenter would have one.  I would guess they don't since it is rare these days.
> >
> > ---------- Original Message ----------
> > From: Brian Brodsky <brianbrodsky at ameritech.net>
> > To: MDLUG's Main discussion list <mdlug at mdlug.org>
> > Subject: Re: [mdlug] Serial port use to connect to a network switch - Ubuntu 14 .04
> > Date: Fri, 13 Mar 2015 17:15:05 -0400
> >
> > Or if you can find a break out box somewhere.
> >
> > On 03/13/2015 03:53 PM, Jeff Hanson wrote:
> >> Look for a wiring diagram for the cable or target port and use a continuity
> >> tester/ohmmeter/multimeter to test it.
> >>
> >> On Fri, Mar 13, 2015 at 3:40 PM, gib at juno.com <gib at juno.com> wrote:
> >>
> >>> Yeah, that could be my problem.  I just found it in a filing cabinet.
> >>> How can I test it?  It's a console cable.
> >>>
> >>> ---------- Original Message ----------
> >>> From: Jeff Hanson <jhansonxi at gmail.com>
> >>> To: "MDLUG's Main discussion list" <mdlug at mdlug.org>
> >>> Subject: Re: [mdlug] Serial port use to connect to a network switch -
> >>> Ubuntu 14.04
> >>> Date: Fri, 13 Mar 2015 14:44:28 -0400
> >>>
> >>> Also verify the cable is functional.
> >>>
> >>> On Fri, Mar 13, 2015 at 2:43 PM, Jeff Hanson <jhansonxi at gmail.com> wrote:
> >>>
> >>>> Try ckermit or gkermit.  Make sure the data rate, stop bits, parity, and
> >>>> flow control (XON/XOFF or RTS/CTS) are correct.
> >>>>
> >>>> User needs to be a member of dialout group.
> >>>>
> >>>> On Fri, Mar 13, 2015 at 1:59 PM, gib at juno.com <gib at juno.com> wrote:
> >>>>
> >>>>> I attempting to connect a laptop which has a serial port /dev/ttyS0 to a
> >>>>> HP 5820-24XG-SFP  switch.   I can't get a connection.  Tried many
> >>> options.
> >>>>> An application, cutecom, looks like it would do the job but it won't
> >>>>> respond.
> >>>>>
> >>>>> I'm able to do the following command and not get an error: sudo ls >
> >>>>> /dev/ttS0.
> >>>>>
> >>>>> The command:  "dmesg  | grep tty" shows the port is active.
> >>>>>
> >>>>> This is using a older laptop that I bought from Tony.  It's a Dell D830.
> >>>>>
> >>>>> I'm running Ubuntu 14.04.
> >>>>>
> >>>>> I'm using a console cable (9 pin to RJ45).
> >>>>>
> >>>>> I've been trying to use putty since I'm told that will work. Won't
> >>>>> respond.
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