The cable is measured in wire diameter. Usual sizes are: 0.6 mm and 0.8 mm
(e.g. '2 x 2 x 0.6', '10 x 2 x 0.8').
The cores are twisted in pairs. The pairs are bundled in layers. One complete foil shielding around all pairs is supplied.
| ||
| Color Code | ||
| Two-Pair Cable: | ||
| Pair # | Conductor A | Conductor B |
| 1 | red | black |
| 2 | white | yellow |
| Multi-Pair Cable: | ||
| Counting starts with the pair RED-BLUE on the outer layer. | ||
| Conductor A of the first pair of every new layer is RED instead of WHITE, the layers of wire pairs are counted from the outside of the cable to the inside. | ||
| Pair # | Conductor A | Conductor B |
| 1 | red | blue |
| 2 | white | yellow |
| 3 | white | green |
| 4 | white | brown |
| 5 | white | black |
| 6 | white (or red for a new layer) | blue |
| 7 | white (or red for a new layer) | yellow |
| 8 | white (or red for a new layer) | green |
| 9 | white (or red for a new layer) | brown |
| 10 | white (or red for a new layer) | black |
| 11 | white (or red for a new layer) | blue |
| 12 | white (or red for a new layer) | yellow |
| 13 | white (or red for a new layer) | green |
| 14 | white (or red for a new layer) | brown |
| 15 | white (or red for a new layer) | black |
| 16 | white (or red for a new layer) | blue |
| 17 | white (or red for a new layer) | yellow |
| 18 | white (or red for a new layer) | green |
| 19 | white (or red for a new layer) | brown |
| 20 | white (or red for a new layer) | black |