Cisco SFP-10G-T-100 Compatible 10GBASE-T SFP+ Copper RJ-45 100m Transceiver Module

Overview

This SFP+ module is a high-performance copper transceiver engineered as a fully compatible alternative to the Cisco SFP-10G-T-100. It is specifically designed to provide 10 Gigabit Ethernet connectivity over standard copper cabling infrastructure. The module fits into an SFP+ port on a switch, router, or server and provides a standard RJ-45 connector, enabling a 10Gbps link over twisted-pair cable up to 100 meters.

A key feature of this transceiver is its multi-rate capability. It fully complies with the 10GBASE-T standard but also auto-negotiates to function at lower speeds, including 5GBASE-T, 2.5GBASE-T, and 1000BASE-T. This backward compatibility makes it an exceptionally versatile solution for phased network upgrades and for connecting to a wide variety of endpoint devices that may not support the full 10Gbps rate. This module is an ideal choice for extending a network using existing copper infrastructure where deploying fiber is not practical or cost-effective.

Key Features

• 100% compatible with Cisco platforms that support the SFP-10G-T-100 module.
• Standard: Compliant with IEEE 802.3an (10GBASE-T), 802.3bz (5G/2.5GBASE-T), and 802.3ab (1000BASE-T).
• Multi-Rate Support: Auto-negotiates to 10Gbps, 5Gbps, 2.5Gbps, and 1Gbps.
• Reach: Supports up to 100m on Cat6a/Cat7 cable (shorter distances on lower-grade cable).
• Connector: Standard RJ-45 interface.
• Low Power Consumption: Advanced design for efficient operation.
• Hot-pluggable SFP+ form factor for seamless installation.

Applications

The SFP-10G-T-100 compatible module is perfectly suited for:

• Connecting servers and storage devices with 10G copper NICs to SFP+ switch ports.
• Distribution or access layer switch uplinks over existing copper backbone.
• End-of-row or top-of-rack data center architectures.
• Gradual network upgrades, allowing new 10G switches to connect to legacy 1G/2.5G/5G devices.

Specifications

Cross-Platform Compatibility

Programmed for seamless integration with Cisco equipment, this module’s adherence to MSA standards ensures it can also be deployed in networking hardware from other major manufacturers that support 10GBASE-T SFP+ modules.

FAQ (Technical & Product Questions)

1. What is the difference between the SFP-10G-T-100 and other SFP-10G-T modules?

The “100” in SFP-10G-T-100 specifically indicates its capability to reach the full 100 meters at 10Gbps over Cat6a/Cat7 cable. Other SFP-10G-T variants, such as the SFP-10G-T-S, are often designed for shorter reaches (e.g., 30 meters) and may have lower power consumption.

2. What cable type is required to achieve the full 100m distance at 10Gbps?

To guarantee a stable 10Gbps link over 100 meters, you must use Category 6a (Cat6a) or Category 7 (Cat7) Ethernet cable. While the module will function with Cat6 or even Cat5e, the maximum achievable distance at 10Gbps will be significantly shorter.

3. Will this module work with a 1-Gigabit device?

Yes. The module supports auto-negotiation and is fully backward compatible with 1000BASE-T (1Gbps), as well as 2.5GBASE-T and 5GBASE-T standards. It will automatically link at the highest common speed supported by both ends of the connection.

4. Why does this copper module get warmer than a fiber SFP+ module?

10GBASE-T copper transceivers contain a complex Physical Layer IC (PHY) that performs signal processing to push 10Gbps over long copper cables. This process is inherently more power-intensive than driving a signal over fiber optics, leading to higher power consumption and heat generation. Ensure adequate airflow around the ports for cooling.

5. Can I use this SFP-10G-T-100 module in any SFP+ port?

Most modern SFP+ ports on switches and NICs will support this module. However, due to the higher power requirements of 10GBASE-T technology, some older networking equipment may not be able to supply sufficient power to the port. Always check your host device’s datasheet or documentation to confirm support for 10GBASE-T SFP+ modules.