The 1-Meter 10G SFP+ Passive Direct Attach Copper (DAC) Cable is a specialized networking cable designed for high-speed, short-distance connections within data centers, server rooms, and enterprise networks. It provides a reliable and cost-effective alternative to fiber optic transceivers and cables for connections up to 1 meter.
Technology & Construction:
This cable integrates two SFP+ connectors with a fixed length of twinaxial copper cable. Unlike traditional Ethernet cables (Cat5e/Cat6), which use RJ45 connectors and require separate transceiver modules, a DAC cable has the transceiver functionality built directly into the connector housing. This integrated design eliminates the need for two separate SFP+ optical modules and a fiber patch cable, simplifying deployment and reducing points of failure.
Passive vs. Active:
This specific cable is a passive DAC cable. Passive DAC cables do not contain any active electronic components to boost the signal; they rely solely on the copper conductors to transmit the electrical signal. Because of this, they consume extremely low power (less than 0.5W per end), generate negligible heat, and have ultra-low latency. Passive DAC cables are best suited for short distances (typically up to 5-7 meters), making the 1-meter length ideal for in-rack connections where devices are stacked directly on top of each other or adjacent within the same rack.
This DAC cable is manufactured to be compliant with MSA (Multi-Source Agreement) standards, ensuring interoperability between SFP+ ports from different vendors. It works with any standard SFP+ port on a wide range of networking equipment, including:
While compatible with most MSA-compliant equipment, some manufacturers (like Cisco, Juniper, Dell, Arista, Fortinet) have specific coding requirements. For those cases, coded versions of this cable are available.
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