Welcome to the ZyXEL Networking Glossary - your definitive source for descriptions of networking terms and ZyXEL's product features.
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1000Base-X (IEEE 802.3z) refers to networking technology supporting Gigabit Ethernet over fiber-optic cable. It covers 1000Base-SX and 1000Base-LX standards. 1000Base-SX has a range of 220m. The range for 1000Base-LX is specified as 2 km in the standard but may be up to 20 km depending on manufacturer.