2022-07-08

Since TIA officially issued the Cat.3 copper twisted pair standard (16Mhz bandwidth) based on 10BASE-T in 1990, the copper generic cabling system has been evolving iteratively.ISO followed closely, issuing the class C standard (equivalent to Cat.3) in 1995, and then upgrading the cabling of Cat.3/class C to the transmission application of 100BASE-T4.*Rongyang enterprise was established in Taipei in 1995 and has been rooted in the field of Ethernet generic cabling until now.Later, TIA issued Cat.