How are the cores arranged in a fiber optic cable?

1. 4-core sequence: Blue, Orange, Green, Brown.

2. 12-core sequence: Blue, Orange, Green, Brown, Gray, White, Red, Black, Yellow, Purple, Pink, Turquoise.

3. Typically, a 48-core fiber optic cable consists of four buffer tubes, with 12 optical fibers per tube.

The buffer tubes are color-coded as Blue, Orange, Green, and Brown (or, alternatively, ranging from Red to Green).

The fiber core color sequence is: Blue, Orange, Green, Brown, Gray, White, Red, Black, Yellow, Purple, Pink, Turquoise.

4. 96-core cables generally follow two sequencing methods:

One method involves 8 cores per tube, with the colors arranged in the following order: Blue, Orange, Green, Brown, Gray, White, Red, Black;

The second method involves 12 cores per tube, utilizing the following sequence: Blue, Orange, Green, Brown, Gray, White, Red, Black, Yellow, Purple, Pink, Turquoise.

5. For 126-core cables, the color coding for the individual buffer tubes follows the standard 12-core sequence: Blue, Orange, Green, Brown, Gray, White, Red, Black, Yellow, Purple, Pink, Turquoise.