[花果山水帘洞] Use a Single Cable to Process IPTV and Internet at the Same Time

低带宽要求下单线复用的好办法。

Use a Single Cable to Process IPTV and Internet at the Same Time

2016-09-25 / vc12345679

For the most common situation, protocol of a RJ45 joint uses four wires in a cable. Definitions of the wires are as follow, taking T568B sequence as example,

No. Color Definition
1 Orange-White TX+
2 Orange TX-
3 Green-White RX+
4 Blue
5 Blue-White
6 Green RX-
7 Brown-White
8 Brown

If we want to transmit signals of IPTV and Internet through the same cable, we may multiplex the cable as this, J0 for both ends of the cable, J1 for joints of IPTV, and J2 for joints of Internet.

J0 J1 J2
1 1
2 2
3 3
4 6
5 3
6 6
7 1
8 2

At least it works fine under band rate of 100Mbps.