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The Telecom Digest for August 30, 2012
Volume 31 : Issue 207 : "text" Format
Messages in this Issue:
SIMM Interchangeability? (unknown)
Re: Study says drivers, not cellphones, pose the accident risk (tlvp)
Re: fios questions (Jim Bennett)

====== 31 years of TELECOM Digest -- Founded August 21, 1981 ======

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Date: Wed, 29 Aug 2012 03:43:29 +0000 (UTC)
From: Boris <nospam@nospam.invalid>
To: telecomdigestmoderator.remove-this@and-this-too.telecom-digest.org.
Subject: SIMM Interchangeability?  
Message-ID: <XnsA0BDD2DBB167nospamnospaminvalid@88.198.244.100>

I currently use a Samsung SGH-747 cell phone on the ATT network.  It has a 
3G SIM card.
 
If I get a Samsung Galaxy S3, will the Galaxy's 4G (LTE) SIMM card work in 
the SGH-747, if I need to use the older phone sometime as a backup?

Thanks.

*Moderator note:  the basic info in a SIM is stored in a standard, phone-
independant/brand-independant, manner. But there is also provision for
'private' supplemental info. For a truely authoritative answer, you'l
probably need to check with AT&T, or Samsung.




Date: Wed, 29 Aug 2012 00:49:54 -0400
From: tlvp <mPiOsUcB.EtLlLvEp@att.net>
To: telecomdigestmoderator.remove-this@and-this-too.telecom-digest.org.
Subject: Re:  Study says drivers, not cellphones, pose the  accident risk
Message-ID: <17y7saji5hn64$.tjoz4ce5fvlo$.dlg@40tude.net>

On Tue, 28 Aug 2012 19:29:59 -0400, Pete Cresswell wrote of drivers:

> ... drifting over the line with no signal and then
> drifting back again; varying speed for no apparent reason (until
> you   see the phone...); changing lanes with no signal AND
> without checking the lane they're moving into; and drifting on to
> the shoulder at lane speed. 

Truckers doing that aren't yakking on a phone -- they're dozing off (!).

Cheers, -- tlvp
-- 
Avant de repondre, jeter la poubelle, SVP.




Date: Wed, 29 Aug 2012 14:07:03 -0400
From: ajbcommconsulting@frontier.com (Jim Bennett)
To: telecomdigestmoderator.remove-this@and-this-too.telecom-digest.org.
Subject: Re: fios questions 
Message-ID: <503E5A47.4090603@frontier.com>

On 2012-08-17 13:29, Pete Cresswell wrote:
>
> Which segues into location:  you want to lean on the FIOS guy to
> locate the indoor boxes in a place that is easy for you to get
> to.
>

This is good advice, but there are some provisos that are worth mentioning.

First thing to consider is the fiber drop cable itself.  Most OSP cables 
are not intended to be installed indoors, because of flammability, 
horizontal/vertical flame spread potential, and toxicity of the smoke 
when burned.  I believe that the NEC at one time did permit a certain 
maximum amount of drop cable to extend within the building - consult the 
latest revision for details.  Some drop cable is rated for 
indoor/outdoor use, but I doubt that the V. installer will have any idea 
whether their drop cable is or not.

Second, grounding is an issue.  Nobody believes this, but the FiOS ONT 
is intended [read: Required] to be properly bonded to the same ground as 
the electrical service entrance of the building.  There are reasons for 
this - such as the fact that all the coax cable in the building is 
ultimately terminated to the ONT.  The outer braid of the coax wants to 
be grounded for safety reasons that go beyond the scope of this thread. 
  Also, some fiber drop cable has an embedded metallic strand for 
strength.  This strand is absolutely required to be bonded per the NEC.

In order to properly bond the ONT to the electrical service entrance 
ground, it should be located in close enough proximity to allow for a 
short, straight run of the bonding conductor.

There seems to be a lot less emphasis these days on code compliance and 
such where Telecom is concerned, but I am willing to be a lone voice in 
the wilderness.

Sorry for dredging up a thread that is more than a week old...

Jim Bennett
==================================================
Speaking from a secure undisclosed location.






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