REFURBISHED
Cisco GLC-LH-SM Refurbished Optics WhaleyComm
Cisco

Cisco GLC-LH-SM 1000BASE-LH SFP Transceiver Module Refurbished

MPN: GLC-LH-SM
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$12.00
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Lifetime
Warranty
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ISO 9001
Certified Testing
♻️
R2v3
Responsible Refurb
25+
Years
5K+
Customers
ISO
Certified
✓
Tested

Every WhaleyComm unit is professionally tested, reset to factory defaults, and certified by our in-house engineers — the same standard trusted by 5,000+ organisations across 25 years. Not a refurb marketplace. A certified lifecycle partner.

Tested to factory specification. Backed by 25 years of enterprise trust.

The Cisco GLC-LH-SM is a 1000BASE-LH Small Form-factor Pluggable (SFP) transceiver module designed for high-performance Gigabit Ethernet applications over single-mode fiber. Operating at 1310nm wavelength, this SFP supports link lengths up to 10km on standard single-mode fiber (SMF), making it an ideal solution for enterprise campus and data center interconnects. Compatible with a wide range of Cisco Catalyst, Nexus, and ASR platforms, this transceiver delivers reliable, standards-based connectivity for your network infrastructure.

Technical Specifications
Model / MPN
GLC-LH-SM
Brand
Cisco
Product Type
Optics
Condition
Refurbished
MPN
GLC-LH-SM
Vendor
Cisco
Connector Type
LC Duplex
Wavelength
1310nm
Max Distance
Up to 10km on SMF (G.652)
Data Rate
1.25 Gbps (1000BASE-LH/LX)
Compatible Fiber
Single-Mode Fiber (SMF)
Form Factor
SFP (Small Form-factor Pluggable)
Ideal Use Cases
High-Speed Inter-Device Links
Optical uplinks between switches, routers, and servers at distance beyond copper.
Data Center Backbone
High-density optical backbone connectivity.
What's Included
✔ Cisco GLC-LH-SM Refurbished Optical Transceiver (1x)
✔ Protective dust caps installed
✔ WhaleyComm ISO 9001-certified inspection certificate
✔ WhaleyComm Lifetime Warranty
Lifetime Warranty — No Time Limits. No Questions.
Every WhaleyComm unit ships with a Lifetime Warranty. If it fails under normal operating conditions at any point, we replace it. No time limits, no expiration, no hidden conditions. Backed by 25 years and 5,000+ satisfied customers.
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Compatibility Details
Review supported optics, cables, software, management protocols, and environment-specific compatibility guidance.
Platform Compatibility
✓
Cisco Switches: Catalyst 3750X, 3850, 4500, 6500, 6800, 9300, 9400, 9500 and Nexus 3000, 5000, 7000, 9000 Series with matching optical slots
✓
Cisco Routers: ASR 1000, ISR 4000 Series
Note Verify compatibility with target IOS/NX-OS release before deployment
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Shipping & Returns
Clear fulfilment, tracking, return, warranty, and support information for enterprise hardware orders.
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Shipping
Orders ship within 1-2 business days from our facility in Texas. Overnight and expedited shipping available at checkout.
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Returns
Contact our support team for any DOA or warranty issues. Every WhaleyComm unit is covered by a Lifetime Warranty — we make it right, fast.
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Contact
+1 214 607-4800 | Mon-Fri 8am-6pm CST
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Frequently Asked Questions
Product-specific answers about compatibility, testing, warranty, fulfilment, and purchase confidence.
Refurbished means this Cisco GLC-LH-SM was previously deployed and has since been professionally inspected, cleaned, tested, and verified to meet original factory specifications by WhaleyComm's in-house engineers. It performs identically to a new unit at a significantly lower cost.
Yes. Every WhaleyComm unit ships with a Lifetime Warranty — no time limits, no questions asked. If your Cisco GLC-LH-SM fails under normal operating conditions at any point, we replace it at no cost.
Every unit goes through an ISO 9001-certified testing process: full power-on diagnostics, port-by-port functionality testing, firmware verification, factory reset, and final inspection. Backed by 25 years and 5,000+ enterprise customers.
Cisco GLC-LH-SM 1000BASE-LH SFP Transceiver Module Refurbished
$12.00
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