[c-nsp] Serial Terminal Servers

quinn snyder snyderq at gmail.com
Tue Jun 30 14:55:54 EDT 2015

i’ve done this with non-cisco gear.
currently have a 2821 connecting to the console of an older alterpath pdu’s console port.  nm32a with console cable, coupled to a “hacked” cable i put together.
pay attention to the pins.  and have some trial and error.  its also helpful to have the “crossover” and “rollover” adapters for your ethernet cables to aid in testing (e.g. it doesn’t work with your hacked cable, toss a rollover or crossover adapter in between and see if it fixes it, then remake the cable).

quinn snyder | snyderq at gmail.com

> On Jun 30, 2015, at 11:43, chris <tknchris at gmail.com> wrote:
> Yeah thats how I have it setup also. From what you are describing you are
> only interfacing cisco gear same as we are.
> I never tried connecting a computer though.  The part im unsure of is
> connecting a standard db9/rs232 device. I think its irrelevant whether the
> octal cable is rj45 or db25 as long as the pins patch up, but obviously we
> will need some kind of adapter I think either cisco console rj45 -> db9
> female or cisco db25 -> db9 female?
> I am looking to see if people have been able to connect standard serial /
> non cisco devices and if so how they are adapting it
> chris
> On Tue, Jun 30, 2015 at 2:32 PM, Chris Marget <chris at marget.com> wrote:
>> All of my CAB-OCTAL-ASYNC cables land in a panel like this:
>> http://www.amazon.com/dp/B000HZI348/
>> From there, I connect to Cisco router consoles (and things wired like
>> them) with regular UTP patch cords.
>> Connecting to the DE-9 port on a server can be accomplished with:
>> - a modern Cisco console cable plus a rollover adapter
>> - a modern Cisco console cable with the end chopped off and re-crimped
>> upside-down (rollover)
>> - an old-school Cisco DE-9F <--> 8P8C adapter plus a UTP patch cord
>> I'm sure that the DB-25 cable can be adapted to whatever you want, but
>> it's big and clunky. I wouldn't buy it if I was attaching to anything other
>> than 8-packs of external modems.
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