Welcome to the ZyXEL Networking Glossary - your definitive source for descriptions of networking terms and ZyXEL's product features.
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Gigabit-capable PON (GPON) is a PON technology defined in ITU-T G.984 standard. It provides up to 1.25 Gbps for upstream transmissions and up to 2.5 Gbps for downstream transmissions. GPON can coexist with ATM (Asynchronous Transfer Mode), Ethernet, and