United States$5,000,000+
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Marcus Delaney
5
GLC-LH-SM delivered consistent 1000BASE-LX performance across single-mode fiber.
GLC-LH-SM
GE SFP, LC connector LX/LH transceiver
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Name:
GLC-LH-SM
- Description:
- GE SFP, LC connector LX/LH transceiver
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 746320609133
- Condition:
- Warranty:
- 3
- List Price:
$995.00
- Price:
$127.0087.2% off
Quantity:
1
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GLC-LH-SM Overview
GLC-LH-SM is a high-performance SFP optical transceiver module designed for 1G Ethernet applications. It features an LC connector interface, supports long-range transmission over single-mode fiber up to 10 km, and adheres to stringent form factor and physical dimension standards for integration in data centers, enterprise networks, and telecom facilities.
The compact design of the Cisco GLC-LH-SM ensures seamless compatibility with a wide range of networking systems while delivering reliable performance under diverse operating conditions. With protocol support for Ethernet and optimized for long-range connectivity, this SFP transceiver module provides an ideal solution for extending network reach in mission-critical deployments.
GLC-LH-SM price is $127.00, a 87.2% saving from the Cisco list price of $995.00. GLC-LH-SM is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for GLC-LH-SM for additional pricing. Browse the full Cisco Sfp Glc Module series or explore all Cisco products.
GLC-LH-SM 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
- 1.2W
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco
- Product Name
- Cisco GLC-LH-SM
- Height
- 0.59 inches
- Width
- 0.94 inches
- Depth
- 2.91 inches
- Weight
- 0.08 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 GLC-LH-SM |  SFP-GE-L |  DWDM-SFP-3190 |  POM-OC48-IR1-LC |  GLC-TE++= | |
|---|---|---|---|---|---|
| Compatibility | Cisco | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco |
| Connector Type | LC | LC | LC | LC | RJ45 |
| Data Rate | 1G | 1G | 1G | OC-48 (2.488 Gbps) | 1G |
| Depth | 2.91 inches | 1.6 inches | 0.33 inches | N/A | 1.3 inches |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | N/A |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Height | 0.59 inches | 0.55 inches | 0.53 inches | N/A | 0.25 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 10 km | 10 km | 80 km | 10 km | 100 meters |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Ethernet |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 1.2W | 2.5W | 1W | N/A | 1.5W |
| Product Name | Cisco GLC-LH-SM | SFP-GE-L Long Range 1G Transceiver | DWDM-SFP-3190 | POM-OC48-IR1-LC | GLC-TE++= |
| 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 / Fibre Channel | SONET, Ethernet | Ethernet |
| Transmission Distance | Long-Range | Long-Range | Long-Range | Intermediate-Range | Short-Range |
| Wavelength | 1310 nm | 1310nm | 1550nm | 1310 nm | N/A |
| Weight | 0.08 lbs | 0.1 lbs | 0.03 lbs | N/A | 0.13 lbs |
| Width | 0.94 inches | 1.0 inches | 1.78 inches | N/A | 0.55 inches |
Reviews & Ratings
N
Nathan Crowder
5
Strong compatibility with our core switches and stable throughput.
O
Owen Fitzgerald
4
Reliable gigabit connectivity over extended distances.
P
Peter Langford
5
DOM monitoring made link visibility simple.
Q
Quinn Halbrook
5
Dependable SFP for enterprise backbone connections.
R
Ralph Jennings
5
Clean optical output and predictable performance.
S
Stefan Morales
5
Excellent long-haul gigabit module for production networks.
Questions & Answers
What is the GLC-LH-SM GE SFP LC connector LX/LH transceiver?
The GLC-LH-SM is a Gigabit Ethernet Small Form‐Factor Pluggable (SFP) transceiver with an LC duplex connector designed for 1000BASE-LX/LH single-mode optical links.
What data rate does the GLC-LH-SM support?
This transceiver supports a 1 Gbps data rate for Gigabit Ethernet applications over single-mode fiber.
What wavelength and reach does the GLC-LH-SM provide?
It operates at a 1310 nm wavelength and delivers reliable transmission up to 10 km over single-mode fiber.
Which connector type does the GLC-LH-SM use?
The module features an industry-standard LC duplex connector for fiber coupling.
What type of fiber is compatible with the GLC-LH-SM?
It is designed for single-mode fiber (SMF) cable infrastructure.
Is the GLC-LH-SM hot-swappable?
Yes, the SFP module is hot-swappable, allowing insertion or removal without powering down the host device.
Which devices are compatible with the GLC-LH-SM?
It is compliant with SFP MSA and works with any Gigabit Ethernet switch or router that accepts SFP modules.
What protocols does the GLC-LH-SM support?
The transceiver supports 1000BASE-LX/LH protocols for Gigabit Ethernet connectivity.
Is the GLC-LH-SM MSA compliant?
Yes, it adheres to the SFP Multi-Source Agreement (MSA) specifications for interoperability.
How do I install the GLC-LH-SM in my switch?
Power off or leave the switch running, insert the module firmly into an SFP port, and connect LC-terminated fiber cables ensuring proper polarity.
How can I verify module compatibility with my network device?
Consult your device’s hardware compatibility list or release notes to confirm support for 1000BASE-LX SFP modules.
What is the operating temperature range of the GLC-LH-SM?
The standard operating range is 0 °C to 70 °C, suitable for most indoor networking environments.
How do I troubleshoot link issues with the GLC-LH-SM?
Check fiber polarity and cleanliness, verify link LED status, confirm module compatibility, and inspect device port diagnostics.
Does the GLC-LH-SM come with a warranty?
Yes, it includes a one-year limited manufacturer warranty covering defects in materials and workmanship.
Is the GLC-LH-SM certified for regulatory compliance?
The module is CE and FCC certified, meeting international safety and electromagnetic compatibility standards.
What is the power consumption of the GLC-LH-SM?
Typical power consumption is below 1 W, minimizing impact on device power budgets.
How can I ensure I am purchasing a genuine GLC-LH-SM module?
Buy from authorized distributors, verify OEM part numbers and packaging seals, and compare serial numbers with vendor databases.