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Aruba JL489A | 25G SFP28 DAC | 25GBASE-CR | Passive Twinax | 5m reach | SFP28-to-SFP28

Aruba JL489A | 25G SFP28 DAC | 25GBASE-CR | Passive Twinax | 5m reach | SFP28-to-SFP28

SKU:JL489A

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Description

Longer-reach 25G passive direct-attach copper cable for straightforward, low-latency SFP28 interconnects up to 5 meters. Ideal where optical modules are unnecessary.

Features

- 25G copper interconnect up to 5 meters
- Simple, plug-and-play SFP28 connectivity
- Zero power consumption with passive Twinax design
- Low latency and high signal integrity
- Broad interoperability via MSA-aligned coding
- Great for server uplinks and spine-access links

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Is 5 m supported on all platforms?
A: Support for 5 m passive DAC can be platform-dependent; verify your switch/NIC release notes.

Q: Is it passive or active?
A: Passive Twinax DAC—no external power and minimal latency.

Q: What if I experience signal issues at 5 m?
A: Check platform firmware and DAC support lists. If needed, consider shorter DACs or optical SFP28 modules and fiber.

Q: Is it hot-swappable?
A: Yes. Follow best practices for ESD and port disable/enable procedures.

Q: Can this be mixed with breakout cables?
A: No. This is a straight SFP28-to-SFP28 cable; for breakouts use purpose-built 1×25G to 4×10G or similar cables.

Technical Specifications

- Data rate: 25 Gbps (SFP28)
- Interface/form factor: SFP28 to SFP28
- Base standard: 25GBASE-CR (IEEE 802.3by)
- Cable type: Passive Twinax copper DAC
- Length/reach: 5 m
- Connectors: SFP28 male on both ends
- Power/latency: Passive (no power), ultra-low latency
- Compliance: MSA-compliant; RoHS
- Use case: Mid-reach intra/adjacent-rack 25G links
- Compatibility: SFP28 25G ports with DAC support (platform-dependent at 5 m)

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