Arista

Arista CAB-O-2Q-200G-3M | 200G→2x100G DAC | OSFP to 2x QSFP28 | 200GBASE-CR8 / 2x100GBASE-CR4 | Passive Copper (no wavelength) | 3 m

Arista CAB-O-2Q-200G-3M | 200G→2x100G DAC | OSFP to 2x QSFP28 | 200GBASE-CR8 / 2x100GBASE-CR4 | Passive Copper (no wavelength) | 3 m

SKU:CAB-O-2Q-200G-3M

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Description

Passive twinax breakout DAC enabling one 200G OSFP port to connect to two independent 100G QSFP28 ports. Designed for economical, low-latency links in racks or adjacent racks up to 3 meters.

Features

- Economical 200G to 2x100G breakout
- Low latency and zero power draw
- 2x QSFP28 legs for 100G CR4 ports
- Robust passive twinax for short reaches
- Simplifies TOR aggregation
- Standards-based interoperability

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 this cable suitable for inter-rack connections?
A: It is intended for short distances; 3 m can be used within or between adjacent racks, subject to platform signal integrity limits.

Q: Does this require optics or transceivers?
A: No. It is a direct-attach copper cable with integrated OSFP and QSFP28 ends.

Q: What about vendor compatibility and coding?
A: The cable adheres to Ethernet CR standards. Some platforms require vendor-specific coding—check your switch/NIC documentation.

Q: Is there any configuration needed on the cable?
A: No configuration is required; enable the breakout on the host if needed and ensure appropriate FEC settings on the platform.

Technical Specifications

- Cable type: Passive DAC twinax copper
- Aggregate speed: 200G; breakout: 2x 100G
- Host connector: OSFP (200G)
- Remote connectors: 2x QSFP28 (100G each)
- Ethernet base standards: 200GBASE-CR8 and 100GBASE-CR4
- Length: 3 m
- Reach: up to 3 m (short-reach copper)
- Lane mapping: 8 lanes to 2x 4 lanes breakout
- Power consumption: 0 W (passive)
- Typical use: 200G switch uplink breakout to two 100G switch/NIC ports

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