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SFP-H25G-CU3M – 25GBase 3 Meter – Passive Copper Cable
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SFP-H25G-CU3M Description
SFP-H25G-CU3M is a Cisco 25GBASE-CR1 SFP28 direct-attach copper cable, offering reliable, cost-effective, and energy-efficient 25Gbps connectivity over a 3-meter passive twinax assembly. Known also as “Cisco 25G DAC 3m” or “SFP28 3m Passive Copper Cable”, this cable is perfect for short to medium-range interconnects between Cisco switches, routers, and servers equipped with SFP28 ports. With robust construction, simple plug-and-play installation, and full Cisco compliance, it ensures stable performance in demanding enterprise, cloud, and data center environments, supporting all major certifications and standards.
Applications Scenarios
Enterprise Campus Distribution
Enables high-bandwidth uplinks in distributed enterprise or campus environments, reducing network congestion and maximizing infrastructure ROI.
Broadcast & Media Production
Supports real-time data streaming and transfer in media editing suites, broadcast control rooms, and post-production environments.
Healthcare IT Infrastructure
Ensures fast, secure, and reliable connections between critical healthcare servers and storage in modern hospitals and research institutions.
Platform Support
The Cisco SFP-H25G-CU3M 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-CU3M |
SFP-H25G-CU4M |
SFP-25G-AOC3M |
|---|---|---|---|
|
Type |
Passive DAC Cable |
Passive DAC Cable |
Active Optical Cable |
|
Data Rate |
25 Gbps |
25 Gbps |
25 Gbps |
|
Cable/Module Length |
3m |
4m |
3m |
|
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 |
Orange |
Green |
Orange |
|
FEC Requirement |
BASE-R FEC recommended |
RS-FEC required |
RS-FEC required |
|
Operating Temperature |
0 to 70°C |
0 to 70°C |
0 to 70°C |
|
Weight |
Medium |
Medium |
Low |
|
Hot-swappable |
Yes |
Yes |
Yes |
|
Application Focus |
Row/adjacent rack |
Longer rack-to-rack |
EMI-sensitive, longer reach |
|
Platform Compatibility |
Cisco SFP28 Ports |
Cisco SFP28 Ports |
Cisco SFP28 Ports |
|
Typical Industry |
Data Center, Broadcast |
Data Center, HPC |
Data Center, Enterprise |
Installation & Usage Tips
- Hot-swappable Design: The SFP-H25G-CU3M 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-CU3M |
| Description | 25GBASE-CR1 SFP28 Passive Copper Cable, 3 meters |
| Type | Direct-Attach Copper (DAC), Passive |
| Data Rate | 25 Gbps |
| Cable Length | 3 meters |
| Connector Type | SFP28 to SFP28 |
| Maximum Power Consumption | 1W |
| Bail Latch Color | Orange |
| 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, broadcast, and storage interconnects |
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3m reaches across to the adjacent rack perfectly. Good shielding on these.
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