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A 10GBASE-SR SFP+ transceiver. 10GBASE-SR ("short range") is a port type for multi-mode fiber and uses 850 nm lasers. [28] Its Physical Coding Sublayer (PCS) is 64b/66b and is defined in IEEE 802.3 Clause 49 and its Physical Medium Dependent (PMD) sublayer in Clause 52. It delivers serialized data at a line rate of 10.3125 Gbd. [29]
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 ]
XFP modules are commonly available in several different categories: [citation needed] SR - 850 nm, for a maximum of 300 m; LR - 1310 nm, for distances up to 10 km; ER - 1550 nm, for distances up to 40 km; ZR - 1550 nm, for distances up to 80 km; The XFP packaging was smaller than the XENPAK form-factor which had been published earlier (by ...
Most 10GBASE-T ports also support 1000BASE-T, [2] some even 100BASE-TX or 10BASE-T. While autonegotiation can practically be relied on for Ethernet over twisted pair, few optical-fiber ports support multiple speeds. In any case, even multi-rate fiber interfaces only support a single wavelength (e.g. 850 nm for 1000BASE-SX or 10GBASE-SR).
The equipment used for communications over multi-mode optical fiber is less expensive than that for single-mode optical fiber. [1] Typical transmission speed and distance limits are 100 Mbit/s for distances up to 2 km (), 1 Gbit/s up to 1000 m, and 10 Gbit/s up to 550 m.
Optical fiber transceivers are most often implemented as user-swappable modules in SFP form or GBIC on older devices. IEEE 802.3ab, which defines the widely used 1000BASE-T interface type, uses a different encoding scheme in order to keep the symbol rate as low as possible, allowing transmission over twisted pair.
The base configuration of the 6004-EF must have 2 x 12 port 40GbE expansion modules, delivering 24 ports of 40GbE or 96 ports of 10GbE. Additional capacity can be provided by installing further expansion modules. For layer3 and FCoE operation additional licences are required [19] Cisco released the Nexus 6004X switch and renamed it to the Nexus ...
LC (SFP) ST SC SFP OM1: 2k: 2 1 1 vendor-specific FP laser transmitter Full-duplex Modal bandwidth: 800 MHz·km [18] OM2: 2k: 62.5/125: 4k: 50/125: 4k: OSx: 40k [17] 100BASE-SX: TIA-785 (2000) legacy fiber 850 nm: ST SC LC — OM1: 300: 2 1 1 optics sharable with 10BASE-FL, thus making it possible to have an auto-negotiation scheme and use 10/ ...
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