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DWDM-SFP-4931-120-C
1000BASE-DWDM SFP 1549.32nm 120KM Cisco Compatible
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DWDM-SFP-4931-120-C is a DWDM SFP transceiver module designed to deliver 10G data rate performance using LC connectors, making it ideal for long-range fiber communications. This compact module features a standard SFP form factor with industry-standard physical dimensions and is engineered to support high-performance DWDM applications in telecommunications and metro networks.
Optimized for versatile deployments, this transceiver supports Ethernet protocols and single-mode fiber, ensuring reliable data transmission over distances of up to 120 km. Its robust design and operational stability across a wide temperature range make it well-suited for use in data centers, enterprise networks, and telecom infrastructures.
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| DWDM-SFP-4931-120-C |  DWDM-SFP-4373-120-C |  DWDM-SFP-4373-C |  DWDM-SFP-5172-C |  DWDM-SFP-3898-120-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Data Rate | 10G | 1G | 10G | 10G | 1G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1550 nm | 1550 nm | 1550 nm | 1550 nm | 1550 nm |
| Transmission Distance | Long-Range | Long-Range | Long-Range | Long-Range | Long-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 120 km | 80 km | 80 km | 80 km | 120 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet, Fibre Channel |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 1.5 W | 3.6W | 3.5 W | 2.0W | 1.5 W |
| 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 | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista |
| Product Name | DWDM-SFP-4931-120-C | DWDM-SFP-4373-120-C | DWDM-SFP-4373-C | DWDM-SFP-5172-C | DWDM-SFP-3898-120-C |
| Height | 0.3 inches | 0.33 inches | 0.30 inches | 0.65 inches | 0.33 inches |
| Width | 0.6 inches | 0.53 inches | 0.72 inches | 1.1 inches | 2.20 inches |
| Depth | 2.0 inches | 2.00 inches | 3.40 inches | 0.8 inches | 0.47 inches |
| Weight | 0.1 lbs | 0.20 lbs | 0.14 lbs | 0.2 lbs | 0.11 lbs |
Impressive 1549.32nm stability. Recognized immediately by Cisco hardware with flawless signal transport and power over 120KM.
Consistent 120KM performance. Top-tier accuracy makes these a perfect fit for dense DWDM mux setups. Satisfied customer.
Excellent 120KM reach and clarity. Professional stability for mission-critical links. Recommended for long-distance fiber networking.
Dependable 120KM optics. 1549.32nm channel is rock-solid. Seamless Cisco hardware compatibility and easy setup.
High-quality SFP for long-range. Wavelength precision is exactly what we need. Exceptional value and reliability.
Steady 1549.32nm signaling at 120KM. Improved network uptime significantly. Trustworthy solution for extreme distance projects.
The DWDM-SFP-4931-120-C is a 1000BASE-DWDM SFP transceiver operating at 1549.32 nm for single-mode fiber, designed for Cisco-compatible networks and long-haul data transmission up to 120 km.
This 1000BASE-DWDM SFP supports optical transmission distances of up to 120 km over single-mode fiber with a standard DWDM link budget.
The module operates at a precise DWDM wavelength of 1549.32 nm, meeting ITU grid specifications for dense wavelength-division multiplexing.
Yes, the DWDM-SFP-4931-120-C is fully Cisco compatible and interoperable with Cisco switches, routers, and DWDM amplifiers.
The transceiver supports a data rate of 1.25 Gbps for Gigabit Ethernet and other serial applications.
It uses an LC duplex connector, compatible with standard single-mode fiber cabling systems.
Single-mode fiber (SMF) with an ITU-T G.652 or G.655 specification is recommended for optimal 120 km performance.
The module operates reliably between 0 °C and 70 °C (Commercial) or –40 °C to 85 °C (Industrial) depending on the model variant.
Ideal applications include long-haul DWDM networks, metro ring extensions, data center interconnects, and telecommunication backbones.
The DWDM-SFP-4931-120-C consumes less than 1 W of power, ensuring energy-efficient operation.
Yes, the module is hot-swappable and can be installed or removed without powering down your switch or router.
It complies with IEEE 802.3z, SFF-8472, ITU-T G.692/G.693, and RoHS environmental standards.
The module offers an MTBF of over 1,000,000 hours, ensuring high reliability in critical network deployments.
Simply insert the module into a compatible SFP port until it clicks, then verify the link status via your Cisco CLI or management interface.
Yes, the module interoperates with other ITU-grid DWDM channels, enabling dense wavelength-division multiplexing in a single fiber.
The DWDM-SFP-4931-120-C comes with a one-year limited warranty covering defects in materials and workmanship.
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