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1000BASE-LX/LH SFP delivers dependable long-distance connectivity over SMF/MMF with DOM support.
GLC-LH-SMD
1000BASE-LX/LH SFP transceiver module, MMF/SMF, 1310nm, DOM
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GLC-LH-SMD
- Description:
- 1000BASE-LX/LH SFP transceiver module, MMF/SMF, 1310nm, DOM
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 757120601906
- Condition:
- Warranty:
- 3
- List Price:
$1,174.00
- Price:
$97.0091.7% off
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1
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GLC-LH-SMD Overview
TheGLC-LH-SMDis a high-performance Cisco SFP module designed for reliable Gigabit Ethernet connectivity across long-distance fiber networks. This Cisco GLC-LH-SMD Transceiversupports dual-rate operation (1000BASE-LX/LH), enabling seamless deployment in enterprise switching, data center environments, and metropolitan networks. With its robust optical performance, it ensures stable communication over single-mode fiber up to 10 kilometers.
Engineered with Cisco’s industry-leading digital optical monitoring (DOM), the GLC LH SMDmodule provides real-time diagnostics for transmit/receive power, temperature, and voltage, ensuring optimal network health and simplified troubleshooting. Its hot-swappable design and broad switch compatibility make it an ideal choice for organizations scaling their network infrastructure efficiently and cost-effectively.
Capabilities
Long-Distance Fiber Connectivity
Supports Gigabit Ethernet transmission up to 10km using single-mode fiber.
Dual-Rate Operation
Compatible with 1000BASE-LX and 1000BASE-LH applications for flexible deployment
Digital Optical Monitoring (DOM)
Provides real-time optical diagnostics to improve monitoring and fault detection.
Hot-Swappable Design
Ensures quick installation and replacement without network downtime.
High Signal Stability
Delivers consistent optical performance for enterprise-grade reliability.
Supported Hardware Models
The GLC-LH-SMD module is supported across a wide range of Cisco switches and routers, including:
- Cisco Catalyst 2960 Series
- Cisco Catalyst 3560 Series
- Cisco Catalyst 3750 Series
- Cisco Catalyst 3850 Series
- Cisco Catalyst 4500 Series
- Cisco Catalyst 6500 Series
- Cisco Nexus 3000 and 9000 Series
This broad compatibility ensures smooth integration into diverse enterprise and data center networks.
Why Choose the GLC-LH-SMD
- Reliable long-distance Gigabit Ethernet performance
- DOM support for advanced network visibility
- Excellent compatibility with major Cisco switching platforms
- Ideal for enterprise, campus, and metro fiber deployments
- Cost-effective and highly stable optical solution
GLC-LH-SMD price is $97.00, a 91.7% saving from the Cisco list price of $1,174.00. GLC-LH-SMD is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for GLC-LH-SMD for additional pricing. Browse the full Sfp series or explore all Cisco products.
GLC-LH-SMD Specifications
- Product Type
- Transceiver
- Form Factor
- SFP
- Data Rate
- 1G
- Connector Type
- LC
- Wavelength
- 1310 nm
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 10 km
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Power Consumption
- N/A
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco
- Product Name
- GLC-LH-SMD
- Height
- 0.30 inches
- Width
- 0.55 inches
- Depth
- 1.65 inches
- Weight
- 0.10 lbs
GLC-LH-SMD Use Case
Data Center Inter-Rack Long-Haul Connectivity with 1000BASE-LX/LH SFP Module
In a multi-hall data center environment, IT teams deploy the GLC-LH-SMD-1000BASE-LX/LH SFP transceiver (MMF/SMF, 1310 nm, DOM) to link core switches across a 10 km single-mode fiber span. Real-time DOM metrics enable proactive fiber health monitoring, reducing unplanned downtime by 40 % and ensuring consistent gigabit throughput for virtualized workloads.
Campus Network Backbone Extension for University Facilities
A large university extends its network backbone between academic buildings using the GLC-LH-SMD-1000BASE-LX/LH SFP module over multimode and single-mode fiber paths up to 5 km. Integrated DOM diagnostics streamline fault isolation, cutting maintenance windows in half and delivering reliable 1 Gbps connectivity for e-learning platforms and VoIP services.
Metro Ethernet Service Provider Ring Deployment
A regional ISP implements a resilient metro ring by installing GLC-LH-SMD-1000BASE-LX/LH SFP transceivers (1310 nm, DOM) in aggregation switches across four POPs spanning 15 km. Industry-grade optical performance and DOM-enabled link monitoring guarantee SLA adherence, improve mean time to repair by 60 %, and support scalable gigabit services for enterprise customers.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 GLC-LH-SMD |  GLC-FE-100LX-RGD= |  GLC-FE-100FX48 |  GLC-BX40-D-I= |  GLC-BX80-U-I= | |
|---|---|---|---|---|---|
| Compatibility | Cisco | Cisco | Cisco | Cisco | Cisco |
| Connector Type | LC | LC | LC Duplex | LC | LC |
| Data Rate | 1G | 1G | 100 Mbps | 1G | 1G |
| Depth | 1.65 inches | N/A | N/A | 1.20 inches | N/A |
| Fiber Type | Single-mode | Single-mode | Multi-mode | Single-mode | Single-mode |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Height | 0.30 inches | N/A | N/A | 0.28 inches | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 10 km | 10 km | 2000 m | 40 km | 80 km |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | N/A | N/A | N/A | 1.2W | N/A |
| Product Name | GLC-LH-SMD | GLC-FE-100LX-RGD= | GLC-FE-100FX48 | GLC-BX40-D-I= | GLC-BX80-U-I= |
| 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 | Ethernet | Ethernet | Ethernet |
| Transmission Distance | Long-Range | Long-Range | Short-Range | Long-Range | Extended-Range |
| Wavelength | 1310 nm | 1310 nm | 1300 nm | 1310/1490 nm | 1310/1490 nm |
| Weight | 0.10 lbs | N/A | N/A | 0.06 lbs | N/A |
| Width | 0.55 inches | N/A | N/A | 2.18 inches | N/A |
Reviews & Ratings
F
Finn Carver
4
Professional-grade, easy deployment, stable throughput.
G
Giselle Park
5
Reliable module for enterprise backbone fiber links.
H
Harrison Drake
3
Durable and low-maintenance, ensures consistent signal quality.
I
Isla Reed
4
Ideal for long-distance network applications with high stability.
Questions & Answers
What is the Cisco GLC-LH-SMD 1000BASE-LX/LH SFP transceiver?
The GLC-LH-SMD is a hot-pluggable SFP module that delivers 1 Gbps throughput over single-mode or multimode fiber at 1310 nm, supporting DOM for real-time diagnostics.
What transmission distance does the GLC-LH-SMD support on single-mode fiber?
Over single-mode fiber (SMF, 9 µm), the GLC-LH-SMD supports distances up to 10 km at 1 Gbps.
Can I use the GLC-LH-SMD on multimode fiber?
Yes, when used with mode-conditioning patch cords, the GLC-LH-SMD can operate over multimode fiber (50/125 µm) for up to 550 m.
What wavelength does the GLC-LH-SMD operate at?
The module transmits at a nominal wavelength of 1310 nm, ideal for low-loss, long-reach applications.