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  • GLC-LH-SM Cisco Compatible SFP Transceiver


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$34.00 (You save $30.60)
0.10 LBS
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3 year warranty on transceivers and other products Free shipping on fiber optic components 30 day guarantee on optical transceivers

Product Description

TheGLC-LH-SM is a Cisco® 1000Base SFP Optical Transceiver. FluxLight’s GLC-LH-SM transceivers perform identically to Cisco® brand transceivers. Our transceivers are programmed with the same data as Cisco transceivers, making them fully compatible with OEM networking equipment. FluxLight’s GLC-LH-SM is 100% Multi-Source Agreement compliant, allowing it to also function with other third party MSA compliant networking equipment. All of FluxLight's transceivers are tested for 100% functionality and guaranteed compatible for outstanding network performance.

This 1000BASE SFP optical transceiver is capable of transmitting data at speeds of up to 1.25Gb/s over 10km on singlemode fiber optic cable. The GLC-LH-SM uses an efficient 3.3 volt power supply and is designed to work best in temperatures between 0°C and 50°C. The GLC-LH-SM’s Class 1 Laser operates at a wavelength of 1310nm.

FluxLight carries optical transceivers compatible with all major brands in a variety of form factors. We are sure to have a transceiver that meets your fiber optic networking needs. We guarantee 100% compatibility for all of our transceiver products, and back it up with a 30-day money back guarantee, a 3-year non-prorated warranty, and free email/phone technical support. Now you have a reliable, compatible and affordable means to expand your network while maintaining its integrity.


Mfg. Compatibility: Cisco®
Part Number: GLC-LH-SM
Form Factor: SFP
TX Wavelength: 1310nm
Reach: 10km
Cable Type: singlemode fiber
Rate Category: 1000Base
Interface Type: LX
Digital Optical Mon. (DOM): No
Connector Type: Dual-LC

Full downloadable spec sheet: GLC-LH-SM

Similar Models:

In addition to the GLC-LH-SM, FluxLight carries other similar Cisco® compatible transceivers, including the: GLC-LH-SM-E, GLC-LH-SMD, GLC-LH-SM-20, and the GLC-LH-SM-40. Each of these models is an SFP 1000Base transceiver. Of special note is the GLC-LX-SM-RGD which is the “rugged” grade version of the GLC-LH-SM, meaning it is better suited for industrial networking applications where conditions may be more harsh. The table below outlines some of the other key differences between these transceivers:

 Max ReachCable TypeInterface TypeTx WavelengthTemperature RangeDOM/DDM
GLC-LH-SM 10 Kilometers Singlemode LX 1310nm Standard No
GLC-LX-SM-RGD 10 Kilometers Singlemode LX 1310nm Industrial No
GLC-LH-SMD 10 Kilometers Singlemode LH 1310nm Standard Yes
GLC-LH-SM-20 20 Kilometers Singlemode LX20 1310nm Standard No
GLC-LH-SM-40 40 Kilometers Singlemode LX 1310nm Standard No

Warranty Information

Like all FluxLight products, this product this backed by a 3-year non-prorated warranty, free email/phone technical support and advanced replacement (with RMA) and guaranteed emergency spares.