• Arista CAB-Q-S-5M QSFP+ to 4xSFP+ 5m black braided twinax DAC cable
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Arista

Arista CAB-Q-S-5M | 40G QSFP+ to 4x 10G SFP+ DAC Breakout Cable, 5m

CAB-Q-S-5M

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Description

This passive twinax copper breakout cable connects one 40G QSFP+ port to four 10G SFP+ ports over a 5 metre run. It supports 40GBASE-CR4 and 10GBASE-CR, making it a cost-effective choice for short-reach links between 40G and 10G equipment within or between adjacent data centre racks. The 5m length suits deployments where top-of-rack and adjacent-rack distances exceed the shorter 0.5 to 3m options in the range.

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

Features

- Breaks out a single 40G QSFP+ port into four independent 10G SFP+ links
- Passive twinax copper construction, a cost-effective option for short links within or between adjacent racks
- Supports 40GBASE-CR4 and 10GBASE-CR standards
- Supported on all current EOS releases

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

- Connector A: 1 x 40G QSFP+
- Connector B: 4 x 10G SFP+
- Cable type: Twinax copper (passive)
- Supported standards: 40GBASE-CR4, 10GBASE-CR
- Length: 5 m
- Cable characteristic impedance: 100 Ohm differential
- Minimum bend radius at the 40G QSFP+ end: 50 mm for the 5 m cable
- Minimum EOS version: all supported EOS releases

FAQs

Q: What does this cable connect?
A: It connects one 40G QSFP+ port on one end to four 10G SFP+ ports on the other, splitting the 40G port into four independent 10G links.

Q: Is this an active or passive cable?
A: It is a passive twinax copper direct attach cable, so it contains no active optical components and suits short-reach connections.

Q: Which standards does it support?
A: It supports 40GBASE-CR4 on the QSFP+ end and 10GBASE-CR on the SFP+ ends.

Q: What is the cable length and bend radius?
A: This SKU is 5 metres long. The minimum bend radius at the 40G QSFP+ end is 50 mm for the 5 m cable.

Q: Which EOS versions support this cable?
A: It is supported on all current Arista EOS releases.

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