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- High Speed Interconnect Copper Assemblies Fibre Channel Applicat
Twinax Cable Knowledge
- Cable Labeling as Part of Data Center Management
- How to Correctly Run cables On Servers in a Data Center?
- 4 Realities You Should Consider 10G Ethernet for Your Business
- Is it finally the end of copper?
- Why We Need Both 40G and 100G Ethernet Cable?
- What is Twisted Pair Cable?
- Benefits of Twisted Pair Cable Construction
- Why Copper Is Used in Cables?
- A Brief Look at Ethernet Cable Construction
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Applications
Twinax Cables are mainly used with PCI or PCI-E Card for the short distance interconnection in the server room.
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Performance Feature
Stable Transmission Speed
Reliable Transmission
Various Length Selection
Wider Operating Temperature
Good for HPC
Good for Data Center
Twinax Cable Knowledge
Recommended
High Speed Interconnect Copper Assemblies Fibre Channel Applications
The first 10GbE capable copper interface was developed for the 10GBASE-CX4 (IEEE 802.3ak) application, which published in 2004. This interface conforms to X2, XENPAK and XPACK MSAs (MSAs are multi source agreements between competing manufacturers for standardized form factors of an interface). The physical requirements for this shielded four-lane copper connector are standardized under SFF-8470. As a passive assembly, the SFF-8470/CX4 cables (pictured on the right) have a reach of 15m.
This assembly supports 10GbE, InfiniBand, FibreChannel and FCoE. Other serial transmissions are also supported for I/O functions such as SATA (Serial Advanced Technology Attachment), SAS (Serial Attached SCSI), and RapidIO. These assemblies use twinax cable, constructed of two inner conductors with an overall foil covered by a braid shield.
The twinax cable is commonly used in short reach high speed interconnects and is factory terminated via a precision soldering process and ordered in specific lengths. Twinax cable conductors typically range from 30 AWG (nominal OD 6.1mm or 0.24 inches) for shorter reach to 24 AWG (nominal OD 11.0mm or 0.44 inches) for longer reach.
Due to their low latency, these cables are popular in supercomputing clusters, High Performance Computing and storage. As part of the 802.3ba 40GbE/100GbE standard, multi-lane 40GBASE-CR4 and 100GBASE-CR10 was defined. This standard specifies the use of 4 and 10-lane twinax assemblies to achieve 40 and 100GbE speeds for distances up to 7m.
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