IBM 650 SYSTEM Installation Manual page 24

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Notes
1
.
This
is
the
horizontal distance
between
the
650 and 655
and
applies
to
both
cables.
This
is
not a
connector
to
connector
length.
"When checking cable
length
on
the
machine
layout,
two times
the
trench depth
must
be subtracted
from
the
7 foot
length;
rise
and
fall
into
machine
are automatically
adjusted.
2.
These
cable lengtha^will
be
supplied
in
any combination
to
connect four
355
units
to
the
652
.
The
maximum
total
length
of
these cables
must
not
exceed
56
feet.
3.
Any
one
of
these four cable lengths
will
be
supplied,
choice
of
cable lengths
will
be determined by
the
planned
layout
4.
Any
one
of
these three cable lengths
will
be
supplied
to
connect
the
652
to
the
first
727;
choice
of
cable length
will
be determined by planned
layout.
There
are two
signal
cable receptacles on
the
652.
Up
to
four 727's
can be
connected
to
one receptacle
5.
These
cable lengths
will
be supplied
in
any
combination,
for
connecting one
727
to
the
next
727, in
a
connected group
of 727's, that
does
not
exceed
45
feet of
cable
between
the
652
and
the last
727
of a
group.
The
choice
of
cable lengths
will
be
determined by
the
planned
layout.
6
.
Any
one
of
these
four cable lengths
will
be
supplied
to
connect
the
652
to
the
first 838;
choice
of
cable length
will
be determined by
the
planned
layout.
7.
These
cable lengths
will
be supplied
for
connecting one 838
to
the
next 838.
The
choice
of
cable lengths
will
be determined
by
the
planned
layout.
23

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