From: Scott Morris (swm@emanon.com)
Date: Mon Apr 12 2004 - 02:18:31 GMT-3
If memory serves (which is rusty at times), it's National Electrical
Building Standards.
When you get into regulated facilities and power design and such, these
things become a whole lot more important. Service providers like RBOCs will
be well-versed in NEBS compliancy.
HTH,
Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713, CISSP,
JNCIS, et al.
IPExpert CCIE Program Manager
IPExpert Sr. Technical Instructor
swm@emanon.com/smorris@ipexpert.net
http://www.ipexpert.net
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Howard C. Berkowitz
Sent: Monday, April 12, 2004 12:05 AM
To: ccielab@groupstudy.com
Subject: Re: Cat6500
At 1:56 PM +0900 4/12/04, Tom Young wrote:
>?Larry,
>
> Thanks for your reply. You are right, it is a document about Cat6509
>, I don't know what is the means about NEBS Environment , what is the
>NEBS stand for? It couldn't be used by other switchs of cat6500 series
>?
> And what is the straight blade NEMA 6-20 power?
> With the x-bar, the x-bar appears at WS-X6516-GE-TX and
>WS-X6548-RJ-45, Would you please give me some link for those words?
I can't tell you what NEBS actually stands for, but it is the certification
program, defined by Telecordia (the former Bellcore) for equipment that will
go into telephone offices. There are three levels of certification, NEBS-1
indicating the equipment won't interfere with anything else, up to NEBS-3,
which considers equipment reliability, such as proper airflow. It's not a
simple pass-fail; NEBS is an overall program, and a NEBS test report can be
3 inches thick.
NEMA is the National Electrical Manufacturers Association, which, among
other things, establishes standards for electrical power connectors.'
X-bar is crossbar, which, in the context of the 6500, is the architecture of
the optional high-sped switching fabric
>.
>
>--- Larry Letterman <lletterm@cisco.com> ???????
>??
>> Nebs is a vertical chassis 6509...the modules are slid in
>> vertically not horiz....I am not sure what the exact term means..
>>
>> ################
>> Larry Letterman
>> INS-NW-West
>> Cisco Systems Inc.
>> ################
>> ----- Original Message -----
>> From: "Tom Young" <gitsyoung@yahoo.co.jp>
>> To: <ccielab@groupstudy.com>
>> Sent: Sunday, April 11, 2004 8:46 PM
>> Subject: Cat6500
>>
>>
>> > Hi, group
>> >
>> > I read a document about cat6500 series, I don't
>> the
>> > means of some word refered , and I couldn't find the > explain
>> from cisco.com. Who can provide me a link so that > I could know
>> it. The word is, NEBS, NEMA and x-bar.
>> >
>> > Thanks alot
>> >
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