Re: Physical difference between Wic2t DCE/DTE

http://www.cisco.com/en/US/docs/routers/access/hardware/notes/marcabl.html#wp40244

HTH,

*Scott Morris*, CCIE/x4/ (R&S/ISP-Dial/Security/Service Provider) #4713,

CCDE #2009::D, CCNP-Voice, JNCIE-SP #153, JNCIE-ER #102, CISSP, et al.

IPv6 Gold Certified Engineer, IPv6 Gold Certified Trainer

CCSI #21903, JNCI-SP, JNCI-ER

swm_at_emanon.com

Knowledge is power.

Power corrupts.

Study hard and be Eeeeviiiil......

On 7/3/12 5:42 AM, Adam Booth wrote:
> Hi Rob,
>
> With the smart serial cable, if I recall correctly certain pins are shorted
> out facing the router and this is how the controller can determine the
> serial interface type RS-232, V.35, X.21 and the gender (the knowledge is
> within the cable itself)
>
> Cheers,
> Adam
>
> On Tue, Jul 3, 2012 at 5:06 PM, me you <anunda19_at_gmail.com> wrote:
>
>> Lab cable are the smart serial back to back connections for Wic2t. What are
>> the difference and how does the router know if the DCE or DTE end is
>> connected? I just want to understand how the router is getting the
>> information for show controllers.
>>
>> Thanks
>> Rob
>>
>>
>> Tried to find a pint out for Wic2t back 2 back cables, but I was unable to.
>> The other standards all have different pinouts depending on the standard.
>>
>> http://www.cisco.com/en/US/docs/wireless/mwr_1941/hardware_install/1941_hardware_install/guide/cablspec.html#wp9427
>>
>>
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>>
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Received on Tue Jul 03 2012 - 17:22:55 ART