Cisco 7000 Series Hardware Installation And Maintenance page 250

APPENDIX
When
has devised
The scheme
for
wiring
For
groups
white red black yellow and
brown
Each
of
reversed
confused
Table
Industry-Standard Wiring
more than
install
you
for the telephone
codesone
two
color
uses
numbers
of wires
smaller
whenever
scheme
possible
numbers each
of
wires
large
in what
of five
resulting
and
slate
must
have
unique
pair
and
color
its
group
stripes
Table C-i the
lists
C-i
Telephone
Number Number
Wire
Pair
few
face the
terminals
you
uniform scheme
industry
numbers
for large
which be
also
may organized
two-color
pair is assigned
called of
is binder-group
The used
violet colors for
pair
One
combination
color wire
of the within
group
pair color
Note red-brown and
that
sequences
Code
Color
25-Pair
Industry
Color
Solid
Stripe
White Blue
Blue White
White
Orange
White
Orange
White Green
Green White
Brown
White
Brown
White
White
Slate
White
Slate
Red
Blue
Red
Blue
Red
Orange
Red
Orange
Red
Green
Red
Green
Plans
of organizing the wiring
problem
numbers
for dealing with
large
of wires
in
organized
pairs
We
recommend
in pairs the use of
code The colors are selected
25 The used
colors
pairs for
group
within
blue orange green
are
within each pair has
solid
and second
the wire has the colors
wires
can
red-orange
Numbers
and
Pin
Number
Color
Pin
26
27
28
29
30
31
32
33
Industry-Standard
ATT
wires
of
and
the other
this
from two
are
group
background
be
easily
Plans C-i
Wiring