• Aruba JL487A 25G SFP28 DAC passive twinax cable 0.65m black
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Aruba

Aruba JL487A | 25G SFP28 DAC | 25GBASE-CR | Passive Twinax | 0.65m reach | SFP28-to-SFP28

JL487A

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Description

High-performance 25G direct-attach copper cable for short-reach, low-latency interconnects between SFP28 ports. Ideal for top-of-rack, leaf–spine, and server-to-switch links where minimal power draw and simplicity are key.

Features

- 25G line-rate, low-latency copper interconnect
- Tool-less, plug-and-play SFP28-to-SFP28 connectivity
- Passive design for zero power draw and high reliability
- EMI-shielded Twinax construction for robust signal integrity
- MSA-aligned coding for broad platform interoperability
- Ideal for TOR and leaf–spine architectures at short distance

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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Technical Specifications

FAQs

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: 0.65 m
- Connectors: SFP28 male on both ends
- Power/latency: Passive (no power), ultra-low latency
- Compliance: MSA-compliant; RoHS
- Use case: Short-reach intra-rack or adjacent-rack links
- Compatibility: SFP28 25G switch/NIC ports that support DAC cables

FAQs

Q: Is this cable passive or active?
A: It is a passive Twinax DAC; it requires no external power and adds minimal latency.

Q: Will it work with any SFP28 port?
A: It is MSA-based for SFP28. Platform acceptance of vendor-coded DACs can vary—verify DAC compatibility in your device release notes.

Q: What if I need longer than 0.65 m?
A: Use a longer DAC (e.g., 3 m or 5 m), or switch to optical 25G SFP28 transceivers (SR over OM4 up to ~100 m, LR up to 10 km).

Q: Is it hot-swappable?
A: Yes. Insert and remove with the port disabled or follow your platform’s recommended procedure for hot-swap.

Q: Any handling guidelines?
A: Avoid sharp bends and excessive strain; follow a bend radius of at least 10× cable diameter.

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