From: Lizard Blizzard
Subject: Re: and what is SLIC?
Date: Fri, 17 Jan 2003 07:53:06 -0800
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> SLIC = Super Loop Integrated Carrier, which is an older type of distribution
> system used by Telco's. It is made up of 10 copper pairs and delivers 96
> POTS lines. Modern type pair-gain systems are often fiber fed and deliver
> 1000's of POTS lines, but are often called SLICs incorrectly..I like using
> the term pair-gain systems. End-Users often hear about SLICs because they
> do not work with ADSL, unless Remote Terminals with independent feeds are
> placed with them. (They can work with some SDSL solutions)
All I know is that at two pairs per T1 line, and 24 POTS lines per T1,
it should take six pairs of lines to handle all 96 POTS lines. What the
other four pairs are for is beyond me.
What I see out in the field is a rack of stuff somewhat like the
Lightspan 2000 pair gain beast that we have in our comm room, recently
expanded to two racks. Each CBA, channel bank ass'y has 224 lines, with
five CBAs for a total 1120 lines. That's all on a single pair of
fibers, with a backup pair just in case. It has auto cutover if the
fiber has a problem.
If the SLIC is like this, then perhaps the extra pairs are for failsafe
> "Paul Herber" wrote in message
>>Subscriber Line Interface Circuit
----------------(from OED Mini-Dictionary)-----------------
PUNCTUATION - Apostrophe
Incorrect uses: (i) the apostrophe must not be used with a plural
where there is no possessive sense, as in ~tea's are served here~;
(ii) there is no such word as ~her's, our's, their's, your's~.
Confusions: it's = it is or it has (not 'belonging to it'); correct
uses are ~it's here~ (= it is here); ~it's gone~ (= it has gone);
but ~the dog wagged its tail~ (no apostrophe).
----------------(For the Apostrophe challenged)----------------
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