Cisco GLC-LH-SM V3 SFP 1000BASE-LX/LH Transceiver Module 30-1299-01 (Used – Grade A)

✅ Key Features

• Model: GLC-LH-SM V3 – Cisco long-range 1000BASE-LX/LH transceiver
• Part Number: 30-1299-01 – Cisco OEM identifier for SFP module
• Form Factor: SFP – Hot-swappable for quick and easy deployment
• Data Rate: Up to 1.25 Gbps – Full duplex transmission
• Connector Type: Duplex LC – Industry-standard fiber interface
• Wavelength: Operates at 1310nm for long-range optical signaling
• Max Distance: Up to 10km over single-mode fiber
• Multi-Mode Capability: Up to 550m with mode conditioning patch cord
• DDM Support: Digital diagnostics monitoring enabled
• Power Efficiency: Low power draw – Energy-efficient module
• Compatibility: Works with Cisco and other MSA-compliant platforms
• Operating Temp: 0°C to 70°C – Commercial grade
• Use Case: Ideal for enterprise fiber backbones and campus uplinks
• Hot-Swappable: Enables maintenance without network disruption
• Warranty: 1-Year Warranty from All 4 HDD – Professionally tested, Grade A

📦 Description

The Cisco GLC-LH-SM V3 (30-1299-01) is a 1000BASE-LX/LH SFP transceiver module designed to support high-performance, long-distance Gigabit Ethernet over single-mode fiber (SMF). With full duplex 1.25 Gbps capability and up to 10km reach, it is ideal for connecting switches, routers, and network devices in enterprise and campus environments.

This module supports Digital Diagnostics Monitoring (DDM), allowing real-time insight into transceiver performance including temperature, voltage, and optical power levels. Its SFP form factor is hot-swappable, ensuring uptime and fast integration during upgrades or replacements.

The GLC-LH-SM V3 is fully MSA-compliant and integrates easily with Cisco networking gear and other compatible systems. It’s also capable of limited-range operation over multimode fiber with the use of a mode-conditioning patch cable, offering deployment flexibility.

Professionally tested and in Grade A used condition, this unit is backed by a 1-year warranty from All 4 HDD. It's an economical and reliable solution for extending fiber connectivity in any IT infrastructure.

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