GG45

GG45, short for GigaGate 45, is a high-performance modular connector system used for shielded copper cabling in Ethernet networks. Developed in the late 1990s and early 2000s to support higher data rates, GG45 was associated with Category 7/7A cabling and the move toward 10 Gigabit Ethernet over twisted-pair cabling.

The GG45 interface uses a distinct eight-position plug and corresponding jacks designed to improve signal integrity at high frequencies. The design emphasizes shielding and controlled impedance to reduce crosstalk and Alien Crosstalk, enabling reliable operation for 10GBASE-T over appropriate cabling within specified channel lengths.

Applications and compatibility: GG45 is typically deployed with GG45-compliant outlets and patch cords on shielded twisted-pair networks. While it offers performance advantages for high-speed links, it is a separate standard from the more common RJ45 ecosystem. In some installations, adapters or hybrid configurations have been used to integrate GG45 components with RJ45 infrastructure, though full performance benefits are realized with GG45-specific hardware.

Performance and usage: When paired with suitable cabling (such as Class FA/Category 7A), GG45 supports 10GBASE-T operation over distances stipulated by the cabling standard, with lower speeds (such as 1000BASE-T) also achievable on compatible links.

Standards and legacy: GG45 is part of the family of modular connectors designed for screened copper cabling and high-speed Ethernet. It is often discussed in the context of Category 7/7A and related enterprise networking deployments, alongside RJ45-based solutions.