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This is a 20-meter active optical breakout cable from Extreme Networks. One 100GbE QSFP28 port splits into two 50GbE QSFP28 links, so a single switch port feeds two downstream devices or two 50G ports. Active optics carry the signal over 20 meters, well beyond what passive copper DACs handle, and the cable is lighter and thinner than copper at that length. It suits data center and campus racks linking Extreme switches to servers or uplinks, and it is a niche part: buyers pick it for switch compatibility and length, not features.
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This is a 20 meter active optical breakout cable from Extreme Networks, model 10449. It is a direct attach cable that connects a 100GbE QSFP28 port to two QSFP28 ports.
