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40G-QSFP-LM4-C
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40GBASE-LM4 QSFP+ Optic MMF/SMF Brocade Compatible
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Name:
40G-QSFP-LM4-C
- Description:
- 40GBASE-LM4 QSFP+ Optic MMF/SMF Brocade Compatible
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Orm
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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40G-QSFP-LM4-C Overview
40G-QSFP-LM4-C is a QSFP transceiver designed to support a 40G data rate, featuring an LC connector and engineered for long-range transmission using single-mode fiber. It is optimized to handle Ethernet and Fibre Channel protocols, ensuring reliable, high-speed connectivity in modern network applications.
40G-QSFP-LM4-C offers a compact form factor with standardized physical dimensions that facilitate seamless integration in data centers, enterprise networks, and telecom environments. Its robust design caters to high-density deployments while maintaining performance over extended transmission distances.
40G-QSFP-LM4-C price is is available on request. Get immediate quote.
Request bulk order quote for 40G-QSFP-LM4-C for additional pricing. Browse the full Brocade Networking Compatible Qsfp+ series or explore all Orm products.
40G-QSFP-LM4-C Specifications
- Product Type
- Transceiver
- Brand
- Orm
- Form Factor
- QSFP
- Data Rate
- 40G
- Connector Type
- LC
- Wavelength
- 1310nm
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 10 km
- Supported Protocols
- Ethernet, Fibre Channel
- Network Interface
- Ethernet
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco, Juniper, Huawei, Arista
- Product Name
- 40G-QSFP-LM4-C
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Product Comparison Table 
| 40G-QSFP-LM4-C |  40G-QSFP-LR4-C |  40G-QSFP-SR4-INT-C |  40G-QSFP-ER4-C |  40G-QSFP-ESR4-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP | QSFP | QSFP | QSFP | QSFP |
| Data Rate | 40G | 40G | 40G | 40G | 40G |
| Connector Type | LC | LC | MPO | LC | LC |
| Wavelength | 1310nm | 1310nm | 850nm | 1310 nm | 850nm |
| Transmission Distance | Long-Range | Long-Range | Short-Range | Extended-Range | Short-Range |
| Fiber Type | Single-mode | Single-mode | Multi-mode | Single-mode | Multi-mode |
| Max Distance | 10 km | 10 km | 100 meters | 40 km | 100m |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista |
| Product Name | 40G-QSFP-LM4-C | 40G-QSFP-LR4-C | 40G-QSFP-SR4-INT-C | 40G-QSFP-ER4-C | 40G-QSFP-ESR4-C |
Compliance & Warranty
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
F
Fred Rhodes
5
Versatile LM4 performance. Works flawlessly over both MMF and SMF in our hybrid fiber environment. Very convenient.
I
Ishmael Townshend
5
Reliable 40G signaling across different fiber types. Significant ROI and perfect integration with our Brocade switches.
Q
Queequeg Sinclair
5
Professional grade LM4 optics. Deployment was simple and the signal integrity has been perfect on all links.
A
Arthur Hedges
5
Steady throughput and robust construction. The ability to use existing MMF for 40G is a huge plus.
F
Ford Blackwell
4
Top-tier reliability. Indistinguishable from original hardware with excellent flexibility for our changing network needs.
Questions & Answers
What is the 40G-QSFP-LM4-C optic module?
The 40G-QSFP-LM4-C is a 40GBASE-LM4 QSFP+ transceiver designed for multimode and single-mode fiber, providing 40 Gb/s data rates over Brocade switches.
Which fiber types does the 40G-QSFP-LM4-C support?
It supports both 50/125 µm multimode fiber (MMF) and 9/125 µm single-mode fiber (SMF) using an LC duplex connector interface.
What is the maximum transmission distance?
Over OM3 MMF, it reaches up to 100 m; on OM4 MMF, up to 150 m; and on SMF, up to 10 km at 40 Gb/s.
Is the 40G-QSFP-LM4-C fully Brocade compatible?
Yes. It is tested and validated for seamless interoperability with Brocade Fibre Channel and Ethernet switches.
Which standards does this module comply with?
It meets IEEE 802.3ba 40GBASE-LM4 and RoHS-6 environmental regulations, ensuring industry-standard performance and safety.
What wavelength does the 40G-QSFP-LM4-C use?
It uses four wavelengths around 1310 nm, each transmitting 10 Gb/s, combined for a total of 40 Gb/s.
What is the operating temperature range?
The module operates reliably between 0 °C and +70 °C (32 °F to 158 °F) for standard commercial deployments.
How do I install the 40G-QSFP-LM4-C?
Simply slide the QSFP+ module into the QSFP+ port until it clicks, then connect the LC duplex fiber cable to the adapter cage.
Which switches and routers are supported?
It is compatible with most Brocade 40 GbE QSFP+ ports and other OEM platforms that support 40GBASE-LM4.
How much power does the module consume?
Typical power consumption is under 2.5 W, meeting QSFP+ power budgets for energy-efficient data centers.
How do I clean and maintain the module?
Use a dry, lint-free fiber optic cleaning tool or isopropyl alcohol wipe on the LC ferrules; avoid touching the optical surfaces.
What is the MTBF rating?
The module’s Mean Time Between Failures (MTBF) exceeds 1,000,000 hours, ensuring long-term reliability.
What warranty coverage is provided?
It comes with a one-year manufacturer warranty covering defects in materials and workmanship under normal use.
How do I troubleshoot link issues?
Verify fiber polarity, inspect connector cleanliness, check switch port settings, and ensure the module firmware is up to date.
What differentiates LM4 from other QSFP+ optics?
LM4 uses four separate 10 Gb/s lanes at 1310 nm for cost-effective 40 Gb/s over both MMF and SMF, unlike single-wavelength 40 GbE solutions.
How can I order the 40G-QSFP-LM4-C?
Contact your authorized Brocade reseller or place an order online using SKU 40G-QSFP-LM4-C for quick fulfillment.