sales@foscoconnect.com
(510) 319-9878
Silicon Valley, CA, USA
Overview
The QSFP+ Passive Direct Attach Cable is a high-speed, cost-effective solution designed for 40Gbps data transmission. Engineered for short-reach interconnects within data centers and enterprise networks, this passive copper cable assembly provides a reliable, low-latency connection between networking equipment.
This cable is fully compliant with Multi-Source Agreement (MSA) standards, ensuring broad interoperability across various hardware platforms. Its passive construction eliminates the need for power at the cable ends, simplifying deployment and reducing thermal output in high-density rack environments.
Key Features
-
40Gbps Throughput
Supports high-speed data transfer for bandwidth-intensive networking applications. -
Passive Copper Design
Requires no external power, resulting in lower power consumption and heat generation. -
QSFP+ Form Factor
Standardized interface for easy integration into existing high-density switches and servers. -
MSA Compliance
Ensures compatibility with a wide range of hardware from various manufacturers. -
3 Meter Length
Optimized length for flexible rack-to-rack or switch-to-server interconnects. -
CR4 Support
Built to support the 40GBASE-CR4 standard for high-performance copper networking.
Applications
- Data Center Interconnects
- High-Performance Computing (HPC) Clusters
- Switch-to-Switch Fabric Connections
- Server-to-Switch Uplinks
Technical Specifications
| Specification | Value |
|---|---|
| Cable Type | Passive Direct Attach Copper (DAC) |
| Connector Type | QSFP+ to QSFP+ |
| Data Rate | 40Gbps |
| Cable Length | 3 meters |
| Standard | 40GBASE-CR4 / MSA Compliant |
Frequently Asked Questions
Is this cable active or passive?
This is a passive copper cable, meaning it does not contain active electrical components for signal amplification.
Does this work with my switch?
This cable is MSA compliant, making it compatible with most standard QSFP+ ports. Please verify your switch manufacturer documentation for specific transceiver or cable requirements.
Can this be used for 10Gbps connections?
This cable is specifically designed for 40Gbps (40GBASE-CR4) applications.
What is the maximum reach for this cable?
This specific assembly is 3 meters long, which is within the typical effective range for passive copper DAC cables.
Does the cable require external power?
No, as a passive assembly, it consumes no power for internal signal conversion.