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LightSpeed™ 1G SFP Fiber Optic DAC (Direct Attach Cable)

LightSpeed™ 1G SFP Fiber Optic DAC (Direct Attach Cable)

1G SFP to SFP DAC Twinax Cable available in 0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 5.0, 7.0 meter lengths

SKU: LightSpeed 1G SFP DAC Cables

LightSpeed™ DACs are a low-cost way to utilize the SFP ports on our fiber optic products and standard 1G network equipment.

DACs (Direct Attach Cables) are a great solution for in-rack or other short connections that would otherwise require fiber optic cabling.

Product Details

  • Connector Type – SFP 1G to SFP 1G
  • Maximum Data Rate – 1Gbps
  • Minimum Bend Radius – 20mm
  • Wire AWG – 30AWG
  • Cable Jacket Rating – Riser (OFNR)
  • Protcols –  1x InfiniBand QDR, DDR, SDR, 1G Gigabit Ethernet, Fiber Channel
  • Operating Temperature – 0 to 70°C (32 to 158°F)


The SFP passive cable assemblies are high performance, cost effective I/O solutions for 10G Ethernet and 1G Fiber Channel applications. SFP copper modules allow hardware manufactures to achieve high port density, configurability and utilization at a very low cast and reduced power budget. The high speed cable assemblies meet and exceed Gigabit Ethernet and Fiber Channel industry standard requirements for performance and reliability.

These assemblies are called “passive” copper cables because there isn’t any signal conditioning circuitry (e.g. crosstalk or echo cancellation) contained within the SFP connector. Sometimes these assemblies are referred to as “DAC” or “Direct Attached Copper” cables. Inside the SFP MSA footprint optical cables can be used that require optical transceivers or Active Optical Cables (AOC) that contain the transceiver as part of the cable.

Additional information

Weight N/A
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PVC-coated Products; PVC-coated Wires and Cables

WARNING: This product may expose you to chemicals including DINP and/or DEHP, which are known to the state of California to cause cancer and birth defects or other reproductive harm. For more information go to or our information page: California Proposition 65 Info.