Integrated Octal 10/100/1000Base-T PHY And FOUR 100Base-FX/1000Base-X SerDes Ethernet Transceiver

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The RTL8218FB integrates octal independent Gigabit Ethernet transceivers into a single IC. The device performs all the physical layer (PHY) functions for 1000Base-T, 100Base-TX, and 10Base-T Ethernet on category 5 UTP cable except 1000Base-T half-duplex. 10Base-T functionality can also be achieved on standard category 3 or 4 cable.

The RTL8218FB Each of the two independent transceivers features an innovative RSGMII-Plus/QSGMII for reduced PCB traces. All transceivers can communicate with the MAC simultaneously through the same RSGMII-Plus/QSGMII.


• QSGMII Phyceiver for eight ports 1000 Base-T/1000 Base-X/100 Base-FX

Symmetry Electronics is an authorized Realtek distributor.


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Qctal-port integrated 10/100/1000Base-T Gigabit Ethernet transceiver
Each port supports full duplex in 10/100/1000M mode (half duplex is only supported in 10/100M mode)
Supports RSGMII-plus (5Gbps serial high speed interface) in 10/100/1000 mode
Supports QSGMII (5Gbps serial high speed interface) in 10/100/1000 mode
4 Physical interfaces support 100Base-FX /1000Base-X
Supports IEEE 802.3az Energy Efficient Ethernet (EEE)
Supports crossover detection and auto correction in 10Base-T/100Base-T