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Small Form-factor Pluggable (SFP) is a compact, hot-pluggable network interface module format used for both telecommunication and data communications applications. An SFP interface on networking hardware is a modular slot for a media-specific transceiver, such as for a fiber-optic cable or a copper cable. [1]
In contrast, PAM-5 is the modulation technique used in 1000BASE-T Gigabit Ethernet. 10GBASE-T SFP+ transceiver. The line encoding used by 10GBASE-T is the basis for the newer and slower 2.5GBASE-T and 5GBASE-T standard, implementing a 2.5 or 5.0 Gbit/s connection over existing category 5e or 6 cabling. [51]
XFI is sometimes pronounced as "X" "F" "I" and other times as "ziffie". XFI provides a single lane running at 10.3125 Gbit/s when using a 64B/66B encoding scheme. A serializer/deserializer is often used to convert between XFI and a wider interface such as XAUI that has four lanes running at 3.125 Gbit/s using 8B/10B encoding .
10G-EPON and 10GPASS-XR, passive optical networks over coax 802.3bp 2016-06 [2] 1000BASE-T1 – Gigabit Ethernet over a single twisted pair for automotive & industrial environments 802.3bq 2016-06 [3] 25GBASE-T/40GBASE-T Ethernet for four-pair balanced–twisted-pair cabling with two connectors over 30 m distances 802.3br 2016-06
The top of range switches are the S4810 [24] (fiber) or S4820 [25] (copper) with 48 x 10 Gbit/s SFP+ (S4810) or 10GBASE-T (S4820) and 4 QSFP+ 40 Gbit/s uplink ports. The S4800 series are marketed as distribution switches for both datacenter as campus networks for large networks or (collapsed) core switches for smaller networks.
The letter following the dash (T or F) refers to the physical medium that carries the signal (twisted pair or fiber, respectively), while the last character (X, 4, etc.) refers to the line code method used. Fast Ethernet is sometimes referred to as 100BASE-X, where X is a placeholder for the FX and TX variants. [4]
The 10 Gbit/s Ethernet Passive Optical Network standard, better known as 10G-EPON allows computer network connections over telecommunication provider infrastructure. The standard supports two configurations: symmetric, operating at 10 Gbit/s data rate in both directions, and asymmetric, operating at 10 Gbit/s in the downstream (provider to customer) direction and 1 Gbit/s in the upstream ...
The Nexus B22FEX offer 16 x 10 Gbase-KR internal 10 Gbit/s link to each blade-server interface and up to 8 SFP+ ports for uplink with a Nexus 5010, 5548 or 5596 switch. The maximum distance between the FEX and the mother-switch is 3 kilometer when it is only used for TCP/IP traffic and 300 meter when carrying also FCoE traffic.