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Questions about this product? Free pre-sales support from a senior specialist — product questions, compatibility checks, BOM quotes, price confirmation — typically answered within one business day. Need camera placement or system design work? Engineering time is $175 per hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back on their order.
The HPE JL488A is a passive direct attach cable (DAC) with male SFP28 connectors on both ends, designed for short-reach, high-density interconnects inside a rack or between adjacent racks. DACs like the JL488A eliminate the cost and latency overhead of optical transceivers for runs where distance is not a constraint — a practical choice when connecting top-of-rack switches to servers or network appliances within the same enclosure. The JL488A designation identifies this as an HPE-coded cable, meaning the firmware embedded in the connector housing is validated against HPE switching and server platforms.
The JL488A is coded for HPE infrastructure. Confirmed compatible product families include HPE FlexFabric and Aruba CX switching platforms that expose SFP28 ports (25GbE). It is also suited for HPE ProLiant servers and HPE Synergy compute modules equipped with SFP28 network adapters. Because HPE platforms perform vendor-ID checks at link negotiation, using a non-HPE-coded DAC in these slots will typically result in an unsupported-transceiver error — the JL488A avoids that failure mode entirely. Verify the specific switch or server model's compatibility matrix before ordering if your platform is not listed here, as port-count and slot-type vary across chassis generations.
Direct attach cables are hot-pluggable — insert the SFP28 connector into the target port until the latch clicks and the link LED illuminates. No tools are required. Keep bend radius above the cable's minimum rated value to avoid signal degradation; DAC cables are not rated for tight conduit routing or repeated flex cycles. Cable management arms or Velcro ties are recommended to prevent strain on the connector housing. Maximum supported reach is a function of the specific cable length variant ordered under the JL488A family — confirm the length suffix matches your rack span before deployment.
Manufacturer-verified compatible cameras, recorders, mounts, accessories, and licenses for this product. Adjust quantities and add the entire bundle to your cart in one click.
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