CISCO SFP GLC-LH-SMD
Brand Name: CISCO
Product Name: 10GBASE-SR SFP+ Transceiver
Part Number: SFP-10G-SR
Description: CISCO SFP GLC-LH-SMD 10GBASE-SR SFP+ Transceiver 1.25G 1310nm 10km Single-Mode Fiber (SMF) and Multi-Mode Fiber (MMF) Duplex LC/PC
Description
Description
CISCO SFP GLC-LH-SMD
The CISCO SFP GLC-LH-SMD 10GBASE-SR SFP+ Transceiver 1.25G 1310nm 10km Single-Mode Fiber (SMF) and Multi-Mode Fiber (MMF) Duplex LC/PC 1.25G 1310nm 10km
The Cisco GLC-LH-SMD is a widely used and versatile 1000BASE-LX/LH Small Form-Factor Pluggable (SFP) transceiver module that provides Gigabit Ethernet connectivity over both single-mode fiber (SMF) and multi-mode fiber (MMF).
The “D” in the model name indicates support for Digital Optical Monitoring (DOM), a critical feature for managing network health.
Description and Key Features for CISCO SFP GLC-LH-SMD
The CISCO SFP GLC-LH-SMD is designed for high-speed, flexible network connections, suitable for data centers, enterprise wiring closets, and service provider transport networks. It allows for connections over distances ranging from a few meters to 10 kilometers.
Key features for CISCO SFP GLC-LH-SMD
- Dual-Fiber Capability: Operates over single-mode fiber for long distances (up to 10 km) and multi-mode fiber for shorter distances (up to 550 m with conditioning patch cable).
- Digital Optical Monitoring (DOM): The module provides real-time diagnostics interface for monitoring temperature, supply voltage, laser bias current, and transmit/receive optical power, simplifying network maintenance and troubleshooting.
- Hot-Swappable: The SFP form factor allows for hot-swapping the module without interrupting host device operations, ensuring continuous network service.
- Standard Compliant: Complies with the IEEE 802.3z 1000BASE-LX standard.
Specifications for CISCO SFP GLC-LH-SMD
| Specification Area | Detail |
|---|---|
| Product Type | SFP (Small Form-Factor Pluggable) Transceiver |
| Model/Part Number | GLC-LH-SMD (Cisco P/N: 10-2646-0X or similar) |
| Data Rate | 1.25 Gbps (1000BASE-LX/LH) |
| Form Factor | Plug-in Module, Hot-swappable |
| Wavelength | 1310 nm |
| Fiber Type | Single-Mode Fiber (SMF) and Multi-Mode Fiber (MMF) |
| Connector Type | Duplex LC/PC |
| Max Distance (SMF) | 10 km (approx. 6.2 miles) |
| Max Distance (MMF) | 550 m (requires a mode-conditioning patch cable for distances over 300m) |
| Power Consumption | Typically < 1 W |
| Operating Temperature | 0°C to 70°C (Commercial Temperature Range) |
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