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QSFP-100G-ER4L-S-C
100GBASE-ER4 QSFP Transceiver LC 40km FEC Cisco Compatible
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QSFP-100G-ER4L-S-C is a QSFP transceiver module designed to deliver 100G Ethernet connectivity for extended reach applications. Built for single‐mode fiber networks, it utilizes LC connectors and supports transmission distances up to 40 km while reliably handling high-speed data for enterprise networks, data centers, and telecom infrastructures.
Engineered with a compact QSFP form factor, this module features standardized physical dimensions for seamless integration into network equipment. It is optimized for Ethernet protocols, operates efficiently across a 0 to 70°C temperature range, and is compatible with leading network vendors, ensuring robust performance in high-density deployments.
QSFP-100G-ER4L-S-C price is is available on request. Get immediate quote.
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| QSFP-100G-ER4L-S-C |  QSFP-100G-SWDM4-S-C |  QSFP-100G-SR4-S-C |  QSFP-100G-DR-S-C |  Q100-ZR4-S-EA-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP | QSFP | QSFP | QSFP | QSFP |
| Data Rate | 100G | 100G | 100G | 100G | 100G |
| Connector Type | LC | LC | MPO | LC | LC |
| Wavelength | 1310 nm | 850nm | 850 nm | 1310nm | 1310nm |
| Transmission Distance | Extended-Range | Short-Range | Short-Range | Short-Range | Long-Range |
| Fiber Type | Single-mode | Multi-mode | Multi-mode | Single-mode | Single-mode |
| Max Distance | 40 km | 100m | 100 meters | 100 meters | 80 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Ethernet | Ethernet | Fiber | Ethernet | Fiber |
| 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 |
| Product Name | QSFP-100G-ER4L-S-C | QSFP-100G-SWDM4-S-C | QSFP-100G-SR4-S-C | QSFP-100G-DR-S-C | Q100-ZR4-S-EA-C |
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.
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.
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.
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.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Incredible 40km reach with FEC support. These ER4L modules are robust and maintain excellent signal clarity over extreme distances. Perfect for regional backhaul links.
Reliable 100G performance at 40km. These transceivers provided the power budget we needed for our longest single-mode runs. Flawless Cisco hardware compatibility.
Exceptional long-range stability. The signal integrity over 40km is impressive. A high-performance, cost-effective solution for our transport infrastructure. Very reliable hardware.
Professional grade 40km transceivers. They integrated perfectly with our core routers. Consistent 100G throughput and zero downtime since installation. Highly recommended.
Outstanding power margins. These ER4L modules handle extreme spans without issues. Solid build quality and dependable performance for mission-critical long-haul networking.
The QSFP-100G-ER4L-S-C is a 100GBASE-ER4 QSFP optical transceiver designed for long-reach 100GbE links over single-mode fiber up to 40 km, ideal for data center and carrier Ethernet networks.
It supports a line rate of 103.125 Gbps aggregated into four 25.78125 Gbps lanes, meeting the 100GbE standard for high-speed data transmission.
The QSFP-100G-ER4L-S-C delivers reliable data transmission up to 40 kilometers over single-mode fiber with ER4 optical budget.
The module uses duplex LC connectors, ensuring broad compatibility with existing fiber infrastructure.
Yes, the QSFP-100G-ER4L-S-C is fully compatible with Cisco switches and routers, supporting vendor-agnostic deployment.
Yes, it features built-in FEC (Forward Error Correction) to enhance link reliability and reduce error rates over long-distance fiber.
This transceiver operates at a nominal wavelength of 1310 nm for optimized performance on single-mode fiber.
Typical power consumption is 3.5 W, making it energy-efficient for high-density deployments.
It operates reliably between 0 °C to 70 °C (32 °F to 158 °F) for standard commercial environments.
The module complies with IEEE 802.3ba 100GBASE-ER4 and the QSFP MSA specifications for interoperability.
Simply insert the QSFP-100G-ER4L-S-C into an open QSFP cage and secure the latch; the host interface will automatically recognize the transceiver.
No, the QSFP-100G-ER4L-S-C is designed for CWDM/ER4 applications at 1310 nm and is not suitable for DWDM systems.
The transceiver includes a one-year limited warranty and access to 24/7 technical support for troubleshooting and compatibility guidance.
Review your switch or router datasheet for QSFP-100G-ER4 support and check the product listing for Cisco compatibility to ensure seamless integration.
It is RoHS-compliant, CE-marked, and shipped in ESD-safe packaging to protect the transceiver during transport and handling.
United States
