What is a Direct Attach Copper (DAC) Cable? A Quick Guide
By
Rohit Kumar
Hand-rolled, kettle-boiled, baked to perfection. Worth every minute at the bakery.
Summary
A guide explaining Direct Attach Copper (DAC) cables, which are copper cables with modules at each end using ~26-28 AWG twinax copper wire to enable direct communication between devices. The article covers the basics of what DAC cables are, their construction, and their use in networking and data center environments.
Key quotes
· 3 pulledIn simple terms, a DAC has modules at either end of a ~26-28 AWG twinax copper cable that allows direct communication between devices over copper wire.
At STH, we use the term 'DAC' to reference Direct Attach Copper cabling dozens of times each year.
Since at STH we believe it is important to help impart knowledge, even if many readers already know the answer, we felt like it was time for a quick guide.
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