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GLC-LH-SM-C
- Description:
- GE SFP LC connector LX/LH transceiver Cisco Compatible
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GLC-LH-SM-C Overview
GLC-LH-SM-C is a high-performance SFP optical transceiver module designed for 1G Ethernet connectivity over single-mode fiber. It uses an LC connector and a wavelength of 1310 nm to enable long-range transmission, offering a maximum distance of up to 10 km for data center, enterprise network, and telecom applications.
GLC-LH-SM-C maintains the standard SFP form factor and precise physical dimensions required for seamless integration into Cisco network equipment while meeting official IEEE Ethernet specifications. It supports Ethernet protocols and is engineered for reliable, long-range data transmission in a variety of network environments.
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GLC-LH-SM-C 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-C |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
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Product Comparison Table
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| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco | Cisco / Juniper / Huawei / Arista | Cisco |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 100G | 25G | 1G | 10G | 10G |
| Depth | 1.2 | N/A | N/A | 1.0 inches | 0.32 inches |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Form Factor | QSFP+ | SFP28 | SFP | XFP | SFP+ |
| Height | 0.9 | N/A | N/A | 0.3 inches | 0.53 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 80km | 10km | 10 km | 10 km | 80 km |
| Network Interface | Fiber | Ethernet | 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 | 9W | N/A | 1.2W | 3.5W | N/A |
| Product Name | C8R23A QSFP+ 100G Optical Transceiver | SFP28-25G-1310nm-10km-SM | Cisco GLC-LH-SM-C | GP-XFP-1E-C | SFPP-10G-CWDM1551-C |
| 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 Cable | Ethernet | Ethernet | Ethernet | Ethernet |
| Transmission Distance | Long-Range | Long-Range | Long-Range | Long-Range | Long-Range |
| Wavelength | 1310nm | 1310nm | 1310 nm | 1310nm | 1551 nm |
| Weight | 0.1 | N/A | N/A | 0.07 lbs | 0.04 lbs |
| Width | 1.5 | N/A | N/A | 1.65 inches | 2.22 inches |
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Questions & Answers
Q
What is the GLC-LH-SM-C SFP transceiver?
A
The GLC-LH-SM-C is a Cisco-compatible SFP module designed for Gigabit Ethernet (GE) over single-mode fiber, featuring LC connectors and 1000BASE-LX/LH support.
Q
Which transmission distance does the GLC-LH-SM-C support?
A
This transceiver reliably supports up to 10 kilometers over single-mode fiber at maximum channel quality.
Q
What wavelength does the GLC-LH-SM-C operate on?
A
The GLC-LH-SM-C operates at a wavelength of 1310 nm, optimized for long-distance single-mode transmission.
Q
Is the GLC-LH-SM-C fully compatible with Cisco equipment?
A
Yes. The GLC-LH-SM-C is engineered to meet Cisco’s compatibility and performance specifications for seamless operation.
Q
What data rate does the GLC-LH-SM-C support?
A
The module supports a data rate of 1.25 Gbps, meeting the 1000BASE-LX/LH standard for Gigabit Ethernet.
Q
Which fiber type is required for the GLC-LH-SM-C?
A
Use single-mode fiber (SMF) with LC connectors; this module is not compatible with multimode fiber.
Q
Does the GLC-LH-SM-C support hot-swapping?
A
Yes. It supports hot-insertion and removal, enabling upgrades or replacements without powering down the switch or router.
Q
How do I install the GLC-LH-SM-C in my switch?
A
Insert the transceiver into an empty SFP port until it clicks; then attach the LC-terminated single-mode fiber cables.
Q
How can I verify GLC-LH-SM-C compatibility with my network device?
A
Check your device’s datasheet for 1000BASE-LX/LH SFP support and confirm Cisco‐SFP interoperability; most Cisco and compatible switches/routers list GLC-LH-SM-C explicitly.
Q
What are the typical applications for the GLC-LH-SM-C?
A
It’s ideal for enterprise backbones, campus networks, data center uplinks, and MAN links requiring cost-effective long-reach Gigabit Ethernet.
Q
What is the operating temperature range of the GLC-LH-SM-C?
A
Standard modules operate between 0 °C to 70 °C (32 °F to 158 °F); industrial variants cover –40 °C to 85 °C (–40 °F to 185 °F).
Q
What is the typical power consumption of the GLC-LH-SM-C?
A
Power consumption is ≤1 W under normal operating conditions, ensuring energy-efficient Gigabit links.
Q
How do I clean the LC connector on the GLC-LH-SM-C?
A
Use a lint-free swab or fiber-optic cleaning cassette with isopropyl alcohol, gently wiping the ferrule until no debris remains.
Q
What warranty covers the GLC-LH-SM-C transceiver?
A
Most suppliers offer a minimum 1-year warranty against defects; check your vendor’s policy for extended coverage options.
Q
Can I return the GLC-LH-SM-C if it doesn’t work in my setup?
A
Yes. Returns are typically accepted within 30 days of purchase, provided the module is undamaged and in original packaging.
Q
How do I troubleshoot link issues with the GLC-LH-SM-C?
A
Verify fiber polarity, check for correct wavelength, confirm port speed settings, and test with known-good single-mode cables.
