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The GG45 (where GG stands for GigaGate, and 45 is to remind the backward compatibility with RJ45 connector) is a connector for high-speed CAT7 LAN cabling developed by Nexans.
The cabling system was standardized in 2001 as IEC 60603-7-7, and then selected as the worldwide CAT7 cabling standard within ISO11801.
It is a 2 in 1 solution providing backwards compatibility for standard RJ45 connectors in a CAT6 interface (Mode 1), where eight conductors are used for CAT6 (100/250 MHz) operation. In addition, GG45 has four additional connectors, in the extreme corners, to interface with new high-speed CAT7, 600MHz networks (Mode 2) that will run 10-gigabit Ethernet over copper LAN systems (note that 10-gigabit Ethernet is now running over 8P8C connectors using Cat 6A cable instead). In Mode 2 the 4 additional connectors will be used for 2 pairs, the other 2 pairs will be connected to the most distant pins of the original RJ45 connector - that is pins 1,2 and 7,8 (see detailed explanation in section Comparing interfaces).
See also
- TERA
- ARJ45 - GG45 compatible connector for the proposed Cat7a (up to 1000MHz) cabling; press release
