• Arista 200G OSFP to 4x QSFP56 2m passive DAC cable
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Arista

Arista CAB-O-4Q-200G-2M | 200G OSFP to 4x 50G QSFP56 Breakout DAC Cable, 2 m

CAB-O-4Q-200G-2M

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Description

This passive twinax copper breakout cable connects one 200G OSFP port (200GBASE-CR8, 8 lanes) to four 50G QSFP56 ports (50GBASE-CR2) over a 2 metre run. It needs no power and no separate optics, making it a low-latency choice for short in-rack or adjacent-rack links. It suits breaking a 200G switch port out to multiple 50G server or switch interfaces, including connections to non-Arista equipment such as server NICs.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- 200G to 4x 50G copper breakout
- No optics, no power and minimal latency
- Standards-based CR8/CR2 electrical compatibility
- Each connector has an EEPROM programmed with the cable's signal format and maximum data rate
- Suited to connecting Arista switches to non-Arista equipment such as server NICs

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

- Host connector: OSFP (200GBASE-CR8)
- Breakout legs: 4 x QSFP56 (50GBASE-CR2)
- Cable length: 2 m
- Breakout mapping: 8-lane host (CR8) to 4 x 2-lane legs (CR2)
- Type: Passive shielded twinax copper, 0 W power
- Minimum EOS version: 4.23.0

FAQs

Q: What does this cable connect?
A: One end plugs into a 200G OSFP port using 200GBASE-CR8, and the other end splits into four QSFP56 connectors running 50GBASE-CR2.

Q: Does it require power or separate optics?
A: No. It is a passive twinax copper cable, so it draws no power and needs no transceivers.

Q: What is the cable length and where is it suited?
A: The cable is 2 m long, which suits short links within a rack or between adjacent racks.

Q: Which software version is required?
A: A minimum Arista EOS version of 4.23.0 is required.

Q: Can it be used with non-Arista equipment?
A: Yes. It is commonly used to connect Arista switches to non-Arista devices such as server network cards, as it follows standards-based CR8/CR2 electrical signalling.

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