What is QSFP+ Optics Transceiver

Definition and Application of QSFP

QSFP also called QSFP+, it stands for Quad (4-channel) Small Form-factor Pluggable Optics Transceiver. It is a compact, hot-pluggable fiber optical transceiver used for 40 Gigabit Ethernet (40GbE) data communications applications. It’s designed according to QSFP+ Multi-source agreement and IEEE802.3ab, they are usually for the application of Data center, 40G Ethernet, Infiniband, and other communications standards.

It interfaces a network device (switch, router, media converter or similar device) to a fiber optic or copper cable. It is an industry standard format defined by the Small Form Factor Committee (SFF-8436, Rev 3.4, Nov. 12, 2009—Specification for QSFP+ Copper and The CFP MSA was formally launched at OFC/NFOEC 2009 in March by founding members Finisar, Opnext, and Sumitomo/ ExceLight. The format specification is evolving to enable higher data rates; as of May 2013, the highest supported rate is 4x28Gbps (112Gbps) defined in the SFF-8665 document (commonly known as QSFP28) which will support 100GE.

The QSFP MSA specification supports Ethernet, Fibre Channel, InfiniBand and SONET/SDH standards with different data rate options. The QSFP Multi Source Agreement (MSA) document specifies a QSFP optic transceiver mechanical form factor with the latching mechanism, host-board electrical edge connector and cage. QSFP+ optic transceivers are designed to support Serial Attached SCSI, 40G Ethernet, 20G/40G Infiniband, and other fiber optic communications standards as well as copper cable media. The QSFP optic modules highly increase the port-density by 4x compared to SFP+ optic modules.

Types of QSFP+ Optics Transceiver

Optcore provides a full range of both copper cables, active optical cables and optical transceivers for 40GbE, compliant to the IEEE standards.
40G QSFP+ Transceiver Optics
40G QSFP+ Copper Cables
40G QSFP+ to 4xSFP+ Breakout Copper Cables
QSFP+ to CX4 Copper Cables
QSFP to MiniSAS(SFF-8088) DDR Cable
40G QSFP+ to QSFP+ Active Optical Cables (AOC )
40G QSFP+ to 8xLC Optical Cables

Juniper QFX-QSFP-DAC-1M Compatible 40G QSFP+ 1m Passive Direct Attach Copper Cable                  

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