25 Pair Copper Cable Color Code

Full color code s u.

25 pair copper cable color code. The first colour is chosen from one group of five colours. The tip color is always placed first and. Telephone cables are grouped in fives. Utp backbone cables are large multi pair cables.

Blue orange green brown slate. You will see the same color code in a lesser grade cable cat3 voice grade but the conductors of the pair will not be as close together and so. Pair range 1white blue 1 25 2white orange 26 50 3 white green 51 75 4white brown 76 100. The combinations are also shown in the table below showing the colour for each.

25 pair color code. Plastic insulated communication cables 25 pair unit colors pair number ring color tip color pair number ring color tip color. The 20 pair colour code is a colour code used in australia to identify individual conductors in a kind of electrical telecommunication wiring for indoor use known as twisted pair cables. The 25 pair color code is used to identify individual conductors in a telecommunications twisted pair cable.

A common application of the 25 pair color code is the cabling for the registered jack interface rj21 which uses a female 50 pin miniature ribbon connector as shown in the following table the geometry of the pins of the receptacle right hand image corresponds to the pin numbers of the table. 25 pair telco cable pinout. Binder color pair range white 1 600 red 601 1200 black 1201 1800 yellow 1800 2400. For cables containing more than 8 conductors using solid colors the pairs must be twisted together and the top color table is used.

White red black yellow violet. Pair number leg 1 color leg 1 tracer leg 2 color. Every pair is identified by a combination of 5 tip and 5 ring colors. Each binder group is individually color coded and each pair within a 25 pair binder group is individually color coded.

For cables containing more than 25 pairs the standard color sequence is repeated and each group of 25 pairs is wrapped in a binder that is colored according to the table below. Pair tip ring 1. The colors are marked on the conductors insulation. Pair number group number binder color 1 600 1 24 white w.

The first primary color is chosen from one group of five colors and the other secondary color from a second group of five colors giving 25 combinations of two colors. These cables are constructed of 25 pair binder groups. 25 pair cable s color code table. 2 utp backbone cable color code.

Please note that cat5 cable shown for clarity of the illustrations tightly twisted conductors.