2.5/5Gbps octal Ethernet transceiver can employ legacy cabling

2.5/5Gbps octal Ethernet transceiver can employ legacy cabling

New Products |
By Graham Prophet

Presented as the first octal multi-Gigabit Ethernet transceiver compatible with both the IEEE 802.3bz standard and the NBASE-T AllianceSM specification for 2.5 and 5 Gbps operation over CAT5e cables, the IC aims to enable enterprises to quickly and cost-effectively migrate to multi-Gigabit Ethernet networking infrastructure.


Modern enterprise campuses, Marvell says, are seeing their bandwidth demands increase dramatically, driven by the proliferation of video streaming, the growing need for additional storage and backup, and the continued adoption of cloud-based services. However, many enterprises have installed Ethernet CAT5e cabling typically limited to 1 Gbps. The Alaska M 88E2180 Gigabit Ethernet transceiver, which can be deployed on existing wired infrastructure, incorporates PHY technology that provides data rates up to 5X compared to traditional offerings.


Marvell’s Prestera DX switches complement the Alaska M 88E2180 device, enabling the most efficient high-density design for high port-count enterprise switches. From 8-port smart and managed switches for the small and midsized business (SMB) industry to 24- and 48-port enterprise access switches, the Prestera DX family offers a complete portfolio of 2.5/5 Gbps switch solutions.


For 802.11ac and 802.11ax WLAN access points, Marvell’s ARMADA embedded processors with ARM-based technology can connect to a companion device of the Alaska M 88E2180 transceiver, the Alaska M 88E2110 transceiver, to deliver 2.5/5 Gbps bandwidth, meeting the demand for Wi-Fi network speeds beyond 1 Gbps and the move to 2.5/5GBASE-T.

Some vendors, Marvell asserts, currently offer solutions using 10 Gbps technology for 2.5/5 Gbps operation, resulting in an excessive power overhead: these Marvell devices are specifically targeted at 5GBASE-T/ 2.5GBASE-T / 1000BASE-T / 100BASE-TX / 10BASE-Te Ethernet designs. The 88E21xx family also includes the Alaska M 88E2110 device, an optimized single-port five-speed multi-Gigabit PHY (supplied in a 7 x 11 mm FCBGA package). Marvell aims the Alaska M 88E21xx family for 802.11ax wireless access points, uplinks on enterprise switches and SFP+ media converters, as well as for emerging applications that can leverage Cat5e cabling such as small cell backhaul, PON residential gateways, high-end personal computers and workstations. These devices support the IEEE 802.3az Energy Efficient Ethernet (EEE) standard, cutting down on power usage and energy costs.






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