[rescue] Anybody have knowledge of Telco 48V wiring???
Bill Bradford
mrbill at mrbill.net
Mon Apr 14 12:46:54 CDT 2008
On Mon, Apr 14, 2008 at 01:11:48PM -0400, Dan Sikorski wrote:
> I have wondered about that for a while. Care to elaborate on that? Or do
> you have a link that explains it?
One thing I can't recommend more to telco nuts is *both* the first and
second editions of "Engineering and Operations in the Bell System" - the
'77 (or '78?) version, *and* the '84 version.
Despite being a first and second edition, they're pretty much completely
separate/complimentary titles. Well worth the money - I think I've paid
about $100 total for both of mine, and they're awesome if you're into any
segment of telco stuff or are just fascinated by it.
The tech level in the books describes "how things were" just before the
MASSIVE rollouts of fiber started in the mid 80s, but the majority of it is
still applicable.
1977 version, $10:
http://www.amazon.com/ENGINEERING-OPERATIONS-Technical-Publication-Department/dp/B000IOS4VU
1983 version, $20:
http://www.amazon.com/Engineering-Operations-Bell-System/dp/B000B91XJW
Two other sorta-similar books that are a couple of my favorites, and very
fun to read (but more expensive used) are "IBM's Early Computers" and
"IBM's 360 and Early 370 Systems".
$18.54:
http://www.amazon.com/IBMs-Early-Computers-History-Computing/dp/0262022257
$29:
http://www.amazon.com/IBMs-Early-Systems-History-Computing/dp/0262161230
Bill
--
Bill Bradford
Houston, Texas
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