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SFP-H25G-CU2M – 25GBase 2 Meter – Passive Copper Cable
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SFP-H25G-CU2M Description
SFP-H25G-CU2M is a Cisco 25GBASE-CR1 SFP28 direct-attach copper cable with a 2-meter reach, delivering reliable, low-latency, and energy-efficient 25Gbps connectivity for data centers, cloud platforms, and enterprise networks. Also known as “Cisco 25G DAC 2m” or “SFP28 25G Passive Copper Cable”, this cable is ideal for short-range, cost-effective interconnections between Cisco switches and servers equipped with SFP28 ports. Designed for robust signal integrity and full Cisco compatibility, it ensures stable operation in demanding network environments, with plug-and-play installation and industry-leading certification compliance.
Applications Scenarios
Cloud Data Center Fabric Expansion
Enables rapid deployment and seamless scaling of cloud data centers by providing high-density, short-reach interconnects between leaf and spine switches or storage nodes.
Virtualization & Private Cloud Infrastructure
Supports large-scale server virtualization clusters, offering stable 25Gbps links for fast VM migration, hyperconverged infrastructure, and unified storage networks.
Telecom & Edge Computing Deployments
Suitable for 5G backhaul, central office re-architected as a data center (CORD), and distributed edge data centers demanding robust and cost-effective aggregation.
Platform Support
The Cisco SFP-H25G-CU2M DAC cable is fully compatible with a wide range of Cisco switches and servers featuring SFP28 ports. Typical supported platforms include, but are not limited to:
Certifications & Compliance
Model comparison
|
Feature/Spec |
SFP-H25G-CU2M |
SFP-H25G-CU3M |
SFP-25G-AOC2M |
|---|---|---|---|
|
Type |
Passive DAC Cable |
Passive DAC Cable |
Active Optical Cable |
|
Data Rate |
25 Gbps |
25 Gbps |
25 Gbps |
|
Cable/Module Length |
2m |
3m |
2m |
|
Connector |
SFP28 to SFP28 |
SFP28 to SFP28 |
SFP28 to SFP28 |
|
Power Consumption |
1W (typical) |
1W (typical) |
1W (typical) |
|
Cable Type |
Copper |
Copper |
Optical Fiber |
|
Bail Latch Color |
Brown |
Orange |
Brown |
|
FEC Requirement |
No (≤2m), BASE-R (>2m) |
BASE-R FEC recommended |
RS-FEC required |
|
Operating Temperature |
0 to 70°C |
0 to 70°C |
0 to 70°C |
|
Weight |
Low |
Medium |
Low |
|
Hot-swappable |
Yes |
Yes |
Yes |
|
Application Focus |
Rack-level, short range |
Rack-level, extended reach |
EMI-sensitive environments, longer reach |
|
Platform Compatibility |
Cisco SFP28 Ports |
Cisco SFP28 Ports |
Cisco SFP28 Ports |
|
Typical Industry |
Data Center, Enterprise |
Data Center, Enterprise |
Data Center, HPC, Broadcast |
Installation & Usage Tips
- Hot-swappable Design: The SFP-H25G-CU2M is fully hot-swappable—insert or remove the cable without powering down your equipment.
- Plug and Play: No additional configuration or software required. Simply insert into compatible SFP28 ports.
- Proper Handling: Always hold the cable by the connectors and avoid excessive bending. Maintain a minimum bend radius of 30mm to ensure signal integrity.
- Port Cleaning: Ensure the SFP28 cages are free of dust and debris before installation.
- Lock Mechanism: Use the integrated pull-tab for secure installation and easy removal; do not force or twist the cable.
- Stacking Cables: Avoid tightly bundling or sharply bending cables to prevent signal loss or physical damage.
- Operating Conditions: Confirm that the cable is used within specified operating temperature (0 to 70°C) and humidity levels.
- Compatibility: For optimal performance, use Cisco certified cables with Cisco switches and servers, and refer to the latest compatibility matrix for your platform.
Specifications
| Parameter | Value |
|---|---|
| Product Model | SFP-H25G-CU2M |
| Description | 25GBASE-CR1 SFP28 Passive Copper Cable, 2 meters |
| Type | Direct-Attach Copper (DAC), Passive |
| Data Rate | 25 Gbps |
| Cable Length | 2 meters |
| Connector Type | SFP28 to SFP28 |
| Maximum Power Consumption | 1W |
| Bail Latch Color | Brown |
| Operating Temperature Range | 0°C to 70°C (32°F to 158°F) |
| Storage Temperature Range | -40°C to 85°C (-40°F to 185°F) |
| Compliance | RoHS, SFF-8402, SFF-8472, IEEE 802.3by/cc |
| Platform Compatibility | Cisco SFP28 switch & server ports |
| Hot-swappable | Yes |
| Typical Applications | Data center, server, and storage interconnects |
Get More Information
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Hmm. Good cable. sturdy. Winds are howling… but the data flows fast.
Quick shipping. The cables are flexible enough for our cable management arms.
25G DACs are the standard for our new racks. These are genuine Cisco.
Low latency is key. Passive DACs are best. Order processed quickly.
Bulk pack was convenient. Less trash to throw away. Good thinking.