• Silver-colored arista H-D400-4Q100-1M sfp+ transceiver modules with blue handles and metallic connectors for 400g active DAC
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Arista

Arista CAB-SFP-SFP-1M-Arista | 10G SFP+ Passive DAC Cable, 1m Copper Twinax

CAB-SFP-SFP-1M-Arista

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Description

The Arista CAB-SFP-SFP-1M is a 10G SFP+ passive direct attach copper (DAC) twinax cable designed for short-reach, high-speed connectivity within racks and across adjacent racks in data centres. This 1-metre passive copper cable provides a cost-effective, low-latency solution for 10 Gigabit Ethernet and 8G Fibre Channel applications. Fully MSA-compliant and hot-pluggable, it delivers reliable performance with minimal power consumption for enterprise networking and storage environments.

Features

10GBASE-CR passive copper twinax technology for short-reach high-speed connectivity
- Hot-pluggable SFP+ form factor for easy installation and maintenance
- Supports multi-rate data transmission up to 10.5 Gbps
- Low insertion loss and ultra-low crosstalk for reliable signal integrity
- No active electronics required, resulting in zero power consumption and no heat generation
- MSA-compliant design ensuring interoperability with standard SFP+ ports
- Cost-effective alternative to optical transceivers for rack-to-rack connections
- RoHS compliant and lead-free construction
- Durable twinax copper cable with high-shielding PVC jacket
- Pre-programmed EEPROM for seamless integration with Arista network equipment
- Supports 10 Gigabit Ethernet, 8G Fibre Channel, and FCoE applications
- Standard operating temperature range for commercial data centre environments

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

Form Factor: SFP+ to SFP+ Direct Attach Copper (DAC)
- Cable Type: Passive Copper Twinax
- Cable Length: 1 metre (3.3 feet)
- Wire Gauge: 30AWG
- Data Rate: Up to 10.5 Gbps
- Applications: 10GBASE-CR, 10 Gigabit Ethernet, 8G Fibre Channel, FCoE
- Power Supply: Single 3.3V
- Operating Temperature: 0°C to 70°C
- Compliance: MSA SFF-8431, SFF-8472, IEEE 802.3, RoHS
- Connector Type: SFP+ on both ends
- Features: Hot-pluggable, low latency, no active electronics

FAQs

Q: What is the maximum distance for this passive DAC cable?
A: The CAB-SFP-SFP-1M is a 1-metre passive copper twinax cable designed for short-reach connectivity within a rack or between adjacent racks. Passive DAC cables are typically suitable for distances up to 5 metres.

Q: Is this cable compatible with other vendors' equipment?
A: While this cable is programmed for Arista Networks equipment, many third-party compatible versions are available that support cross-vendor compatibility. Check with your supplier for multi-vendor coding options if connecting Arista to other brands.

Q: What are the advantages of passive DAC over optical transceivers?
A: Passive DAC cables offer significant cost savings compared to optical transceivers and fibre, consume virtually no power, provide lower latency, and require no separate optics or fibre infrastructure for short-distance connections.

Q: Can this cable support both 10G Ethernet and Fibre Channel?
A: Yes, the CAB-SFP-SFP-1M supports multiple protocols including 10 Gigabit Ethernet (10GBASE-CR), 8G Fibre Channel, and Fibre Channel over Ethernet (FCoE), making it versatile for data centre and storage applications.

Q: Does this cable require any special licensing or configuration?
A: No, passive DAC cables are pre-programmed and hot-pluggable. Simply insert them into compatible SFP+ ports on both ends and they will be automatically recognized by Arista switches, routers, or storage systems without additional configuration.

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