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Company News
A totally explain of QSFP,QSFP Transceiver and QSFP Cable
Editor: Tony Chen   Date: 1/29/2015

What is QSFP?

QSFP (or quad SFP) is widely used in Technical Computing for InfiniBand interconnect.QSFP is the standard

connect for 40Gbps IB also known as Quad Data Rate (QDR).QSFP is also the IEEE standard connector for the

emerging 40GbE standard.

The Wiitek using a QSFP as a pre-standard, but fully compliant interconnect for 4 x 10GbE. The Wiitek leverages

the density of QSFP to effectively quadruple available front panel bandwidth in a space only marginally larger

than SFP+. 

Like SFP+, QSFP supports both copper and optical cabling solutions. Copper cables, known as "Direct Attach" or

"TwinX", are terminated with special electrically coupled fittings that snap directly into the QSFP "cage" obviating

the need for costly transceivers. For applications that require optical interconnect, Wiitek provides a 10Gbps

QSFP Short Wavelength Transceiver Pluggable, Parallel-Fiber-Optics Transceiver. Optical cables are available

from Wiitek as a 3rd party suppliers.

Complianta Optical cables must be terminated with a MTP/MPO connector. Wiitek supplies optical Sputter cables

with MTP/MPO (for attachment to the QSFP transceiver) and 4 LC connectors applicable to any compliant 10GbE

NIC or switch port. 

What is QSFP?

QSFP+

40GBASE QSFP+ (Quad Small Form-Factor Pluggable Plus) modules offer customers a wide variety of high-density

40 Gigabit Ethernet connectivity options for data center, high-performance computing networks, enterprise core

and distribution layers, and service provider transport applications.

 

40GBASE-SR4 QSFP+ Module and Fiber Cables


Wiitek's QSFP-40G-SR4 Module supports link lengths of 100m and 150m respectively on laser-optimized OM3 and OM4 multimode fiber cables. It primarily enables high-bandwidth 40G optical links over ribbon fiber cables terminated with multi-fiber connectors, and could also be used along with ribbon to duplex fiber breakout cables for connectivity to four 10GBASE-SR optical interfaces. This QSFP-40G-SR4 is built according to Cisco specifications, and is 100% compatible with Cisco System.
 

 

QSFP+ Series: QSFP-40G-LR4 QSFP-40G-SR4

 

SFP Series: GLC-T GLC-SX-MM GLC-LH-SM

 

SFP+ Series: SFP-10G-ZR SFP-10G-SR SFP-10G-LR

 

XFP Series: XFP-10GER-OC192IR XFP-10GLR-OC192SR XFP-10G-MM-SR

 

XENPAK Series: XENPAK-10GB-SR XENPAK-10GB-LR XENPAK-10GB-ER

 

X2 Series: X2-10GB-ER X2-10GB-LR X2-10GB-SR

Prev: Why Choose QSFP28 Cables&Transceivers for 100G Transmission?
Next: Optical Tranceivers in high-speed cable interconnect and backplane application
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