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1000BASE-T SFP works reliably over copper connections. Easy installation and stable performance.
GLC-T=
1000BASE-T SFP
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The GLC-T= is a high-performance Cisco RJ45 SFP transceiver designed to deliver reliable Gigabit Ethernet connectivity over standard copper cabling. This Cisco GLC-T= module supports 1000BASE-T applications, enabling seamless deployment across enterprise switches, access networks, and data center environments. With strong electrical performance, it ensures stable communication over Cat5e, Cat6, and Cat6a cabling up to 100 meters.
Engineered for maximum compatibility across Cisco switching platforms, the GLC T= module provides low-latency connectivity, consistent throughput, and simple plug-and-play deployment. Its hot-swappable design and universal copper interface make it a practical and cost-efficient choice for organizations expanding copper-based network infrastructure without requiring fiber upgrades.
Copper-Based Connectivity
Supports Gigabit Ethernet transmission up to 100m over Cat5e, Cat6, or Cat6a copper cabling.
1000BASE-T Support
Optimized for short-range copper deployments across enterprise and access layers.
Auto-Negotiation Functionality
Provides automatic detection and configuration for 10/100/1000 Mbps speeds.
Hot-Swappable Design
Allows quick installation and replacement without network disruption.
Stable Electrical Performance
Delivers consistent throughput for reliable Gigabit Ethernet communication.
The GLC-T= module is compatible with major Cisco switching platforms, including:
This ensures seamless integration across enterprise, campus, and virtualized network environments.
GLC-T= price is $55.95, a 86% saving from the Cisco list price of $399.60. GLC-T= is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for GLC-T= for additional pricing. Browse the full Sfp+ For 3000 Series series or explore all Cisco products.
In a hyperscale data center, network architects deploy GLC-T=-1000BASE-T SFP modules in top-of-rack switches to connect up to 48 servers per rack over existing Cat6 cabling. This solution delivers hot-swappable 1 Gbps uplinks without fiber rework, reduces per-port cost by up to 60 %, and accelerates rack provisioning with plug-and-play simplicity.
A nationwide retail chain uses GLC-T=-1000BASE-T SFP transceivers in router WAN ports to leverage legacy Cat5e infrastructure at 200 branch sites. By avoiding new fiber installation, the IT team achieves reliable 1 Gbps connectivity, cuts CAPEX by 40 %, and shortens deployment cycles from weeks to hours—all while maintaining enterprise-grade link diagnostics and auto-negotiation.
An automotive assembly plant integrates GLC-T=-1000BASE-T SFPs into shielded industrial switches to link PLC controllers and vision systems over shielded Cat6A runs. The transceivers deliver EMI-resilient 1 Gbps performance, simplify network segmentation, and enable hot-swappable maintenance—minimizing unplanned downtime and ensuring consistent line-side data throughput.
To get the detailed certification, please go to the Compliance Center.
 GLC-T= |  DWDM-SFP-4373= |  DWDM-SFP-4851= |  DWDM-SFP-3898= |  DWDM-SFP-4134= | |
|---|---|---|---|---|---|
| Compatibility | Cisco | Cisco, Juniper, Huawei | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista |
| Connector Type | RJ45 | LC | LC | LC | LC |
| Data Rate | 1G | 10G | 1G | 1G | 10G |
| Depth | N/A | 1.00 inches | 4.4 inches | 1.5 inches | 0.5 inches |
| Fiber Type | N/A | Single-mode | Single-mode | Single-mode | Single-mode |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Height | N/A | 0.66 inches | 0.66 inches | 0.4 inches | 0.39 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 100 meters | 80 km | 80 km | 80 km | 80 km |
| Network Interface | Copper Ethernet | Fiber | Fiber | Fiber | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | -40 to 85°C | 0 to 70°C |
| Power Consumption | 2.5W | 1.5 W | 1W | 3.5 W | 3.5W |
| Product Name | GLC-T= | DWDM-SFP-4373= | DWDM-SFP-4851= | DWDM-SFP-3898= | DWDM-SFP-4134= |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | Ethernet | Ethernet, Fibre Channel | Ethernet, Fibre Channel | Ethernet, Fibre Channel | Ethernet |
| Transmission Distance | Short-Range | Long-Range | Long-Range | Long-Range | Long-Range |
| Wavelength | N/A | 1550 nm | 1550 nm | 1550 nm | 1528 nm - 1563 nm |
| Weight | N/A | 0.2 lbs | 0.2 lbs | 0.07 lbs | 0.2 lbs |
| Width | N/A | 2.00 inches | 1.33 inches | 0.8 inches | 0.66 inches |
1000BASE-T SFP works reliably over copper connections. Easy installation and stable performance.
Compact and professional-grade module. Minimal latency.
Reliable 1G connection for enterprise switches.
Works consistently under full load. Solid build quality.
Ideal for short-range copper connections in dense racks.
The Cisco GLC-T= is a 1000BASE-T SFP copper transceiver that delivers 1 Gbps Gigabit Ethernet connectivity over standard Cat5e or higher cabling up to 100 meters.
The GLC-T= supports a full-duplex data rate of 1 Gbps compliant with IEEE 802.3ab Gigabit Ethernet specifications.
The GLC-T= is compatible with unshielded or shielded twisted-pair Cat5e, Cat6, and Cat6a copper cabling for reliable Gigabit Ethernet links.
The GLC-T= supports copper link distances of up to 100 meters (328 feet) over Cat5e or better cabling at 1 Gbps.