Cisco H10GB-CU1M SFP+ Module - 10G Copper Twinax DAC, 1m

The Cisco H10GB-CU1M SFP+ Module is the essential solution for high-speed connectivity in data centers and enterprise networks. Designed for reliable performance, this 1-meter copper twinax Direct Attach Cable (DAC) links SFP+ ports with precision, delivering seamless data transfer between switches, servers, and storage devices. Built to optimize your network’s latency, efficiency, and space, the H10GB-CU1M is a practical choice for rack-dense environments where every inch and every millisecond counts.

• 10 Gbps performance: Provides full 10GBASE-CU capability for high-bandwidth workloads, ensuring fast, consistent data transfer between devices.
• Copper twinax direct attach: A compact, cost-effective DAC solution that minimizes rack cabling complexity while delivering stable, low-latency links.
• 1-meter length (3.28 ft): Optimized for data center row-to-rack deployments where compact cabling reduces clutter and improves airflow and cable management.
• Cisco-validated compatibility: Specifically designed for Cisco networking gear, delivering plug-and-play functionality on compatible Catalyst, Nexus, and other Cisco devices.
• Easy, hot-plug deployment: Designed for straightforward installation with minimal downtime, enabling quick scale-outs and maintenance without substantial network disruption.

Technical Details of Cisco H10GB-CU1M SFP+ Module

• Type: Passive Direct Attach Copper (DAC) cable for SFP+ interfaces
• Data rate: Up to 10 Gbps (10GBASE-CU)
• Cable type: Copper Twinax Direct Attach Cable
• Length: 1 meter (3.28 feet)
• Connectors: SFP+ on both ends
• Operating temperature: Typically 0 to 70°C, suitable for standard data center environments
• Hot-swappable: Yes, designed for easy replacement and upgrades without powering down connected devices
• Compatibility: Optimized for Cisco devices and environments; cross-compatibility with non-Cisco equipment is not guaranteed and should be tested in advance

How to install Cisco H10GB-CU1M SFP+ Module

• Prepare the devices: Confirm that both networking devices have available SFP+ ports and verify that they support copper DAC cables of this length for your specific model and software version.
• Power considerations: If your equipment supports hot-swapping, installation can be performed with the system powered on. If hot-swapping is not supported on a particular device, power down the affected device before installation.
• Remove protective caps: Take off any protective dust caps from both SFP+ ports to ensure a clean connection and minimize debris intrusion.
• Insert the module: Align the SFP+ connector with the port and gently push straight in until you hear or feel a click indicating a secure connection. Do not apply side pressure or attempt to bend the connector.
• Attach the cable: Connect the 1-meter copper twinax DAC to the SFP+ ports on both devices, ensuring the cables are not twisted or sharply bent and that the connectors are fully seated.
• Verify link status: Power up (or verify in a powered-on system) and check the port LEDs or management interface for a link indication. Run basic connectivity tests (pings, throughput tests) to confirm a stable 10 Gbps link.
• Document and monitor: Record the installation details (port numbers, device models, software version) and monitor performance as part of routine network health checks.

Frequently asked questions

• Q: What is the Cisco H10GB-CU1M SFP+ Module? A: It is a 1-meter copper twinax Direct Attach Cable (DAC) with SFP+ connectors designed to deliver 10 Gbps between Cisco devices for high-speed data center connectivity.
• Q: Is the H10GB-CU1M hot-swappable? A: Yes. The DAC module is designed for hot-swapping in compatible Cisco devices, enabling quick upgrades and replacements without shutting down equipment.
• Q: What devices are compatible with this module? A: The H10GB-CU1M is optimized for Cisco switches, routers, and other Cisco SFP+–capable devices. While some non-Cisco hardware may recognize the module, Cisco recommends confirming compatibility with your vendor before use.
• Q: What is the length and when should I use a 1 m DAC? A: The cable length is 1 meter (3.28 ft). Use a 1 m DAC in rack-dense deployments where the distance between devices is short and cable routing benefits from a compact, low-latency copper link.
• Q: Do I need drivers or additional configuration for this DAC? A: No, DAC cables like the H10GB-CU1M are typically plug-and-play and do not require separate drivers. Ensure your devices’ firmware/software supports direct-attach copper DAC modules and that the transceiver is enabled in the device’s management interface.