Many devices today support auto MDI-X capability, (optional feature)

wherein a patch cable can be used in place of a crossover cable

568B

1. orange/white
2. orange
3. green/white
4. blue
5. blue/white
6. green
7. brown/white
8. brown

568B Crossover

Another Side

1. green/white
2. green
3. orange/white
4. brown/white
5. brown
6. orange
7. blue
8. blue/white

CAT

Cat5     100Mb/s

Cat5e    100MHz (1G/s)

Cat6    250MHz (55米內10G/s)    # 膠心, 鋁箔, 接地線

Cat6a    500MHz (100米內10G/s)

Cat7    600 Mhz # 地外網, 內鋁箔

線徑

CAT5e 4.5-5.1mm 24AWG

CAT6  5.6-5.8mm 22~24AWG(23)

Hardware

Asus XG-C100C  HK$900@20200514

熱縮管