The Technical Background of 40G QSFP + Optical Transceiver
With the advent of the age of cloud computing and big data, the network is being forced to develop at a high rate and density, and the utilization of virtualized servers is increasing. In order to provide sufficient I / O (input / output) bandwidth, many new access switches have been developed to 2 or 4-port 40G Ethernet that can connect to core switches. The rapid development of interconnected data transmission is inseparable from the 40G QSFP + optical Transceiver, because it can provide sufficient bandwidth to ensure unhindered data conversion, thereby meeting the network requirements of data centers and enterprise campuses.
The Basic Concept of 40G QSFP+ Optical Transceiver
The 40G QSFP + optical module transceiver is an integral part of the 40G network. QSFP + is a 40G optical module trasceiver package defined by the IEEE organization, which greatly meets the market's demand for high density and high speed. The 40G QSFP + optical trasceiver is a compact hot-swappable optical module. It has four transmission channels, each channel has a data rate of 10Gbps, and this optical module complies with SCSI, 40G Ethernet, 20G / 40G Infiniband, and other standards. As shown in the figure below, the interface types of this optical transceivers are LC interface and MTP / MPO interface, which are used in single-mode applications and multi-mode applications.
The advantages 40G QSFP+ Optical Transceiver
40G QSFP + optical transceiver can transmit data at the speed of 10Gbps per channel under the same port volume of XFP optical module, and supports four channels of data transmission at the same time, so the density of 40G QSFP + optical module transceiver can be 4 times that of XFP optical module. 3 times of SFP + optical module.
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