Direct Attach Copper

Short direct attach cables use a passive twin ax cable assembly while longer ones sometimes called active optical cable aoc use short wavelength optics.

Direct attach copper.

Also known as direct attach da direct attach copper dac 10gsfp cu 10gbase cr 10gbase cx1 sfp or 10gbe cu sfp cables. Offered by hpe reseller more information. 10g sfp twinax cable direct attach copper dac passive cable 0 5 meter for cisco sfp h10gb cu0 5m ubiquiti d link supermicro netgear mikrotik zte 14 49 99 customers who bought this item also bought. Page 1 of 1 start over page 1 of 1.

A direct attach copper cable or a dac cable is a twinax copper cable that connects directly the ports or line cards within active equipment such as switches routers servers or data storage devices in a data network. Show more show less. Sfp direct attach copper dac is a popular choice for 10g ethernet reaches up to 10 m due to low latency and low cost. Sfp direct attach as implied in the name uses sfp msa and by using the inexpensive copper twinaxial cable with sfp connectors on both sides provides 10 gigabit ethernet connectivity between devices with sfp interfaces.

Mellanox mcp1600 c0xxeyyz direct attach copper dac cables are high speed cost effective alternatives to fiber optics in 100gb s ethernet applications. Fs offers 40g qsfp direct attach cable assemblies in passive dac and active dac from 0 5m to 10m which are most cost effective choice to connect two 40g port of different network switches. The following figure shows leading types of passive and active cable for data center. Cost effective cisco 10gbase cu sfp direct attach copper cable 10g sfp dac twinax cable for 10g ethernet passive or active up to 10 meters lifetime warranty 100 tested.

As two kinds of commonly used transceiver assemblies both direct attach copper cable and aoc cable have their advantages and disadvantages. One major application is connecting network hardware through their sfp interfaces. The hpe direct attach cables provide connections to meet the exponential data growth in data centers and cloud based services. Mellanox qsfp28 passive copper cable contains four high speed copper pairs each operating at data rates of up to 25gbe.

Direct attach copper cables can either be passive or active while aoc cables are always active. Hpe direct attach copper cables.