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DWDM-SFP-4931-120-C
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- 1000BASE-DWDM SFP 1549.32nm 120KM Cisco Compatible
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DWDM-SFP-4931-120-C Overview
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 Specifications
| Product Type | Transceiver |
| Form Factor | SFP |
| Data Rate | 10G |
| Connector Type | LC |
| Wavelength | 1550 nm |
| Transmission Distance | Long-Range |
| Fiber Type | Single-mode |
| Max Distance | 120 km |
| Supported Protocols | Ethernet |
| Network Interface | Fiber |
| Power Consumption | 1.5 W |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco / Juniper / Huawei / Arista |
| Product Name | DWDM-SFP-4931-120-C |
| Height | 0.3 inches |
| Width | 0.6 inches |
| Depth | 2.0 inches |
| Weight | 0.1 lbs |
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Product Comparison Table
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| Compatibility | Cisco | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 1G | 10G | 10G | 10G | 10G |
| Depth | N/A | 2.0 inches | N/A | 1.45 inches | 3.30 inches |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Multi-mode |
| Form Factor | SFP | SFP | SFP+ | XFP | SFP+ |
| Height | N/A | 0.3 inches | N/A | 0.65 inches | 0.62 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 10 km | 120 km | 20 km | 60 km | 300 meters |
| Network Interface | Fiber | Fiber | Ethernet | Ethernet | Fiber |
| Operating Temperature | 0°C to 70°C | 0 to 70°C | 0 to 70°C | 0°C to 70°C | 0 to 70°C |
| Power Consumption | 1.5W | 1.5 W | N/A | 3.2W | 2.5W |
| Product Name | GLC-LX-SM-RGD | DWDM-SFP-4931-120-C | SFP-10G-BX-D20-C | XFP-10G-BX-D60-C | J4859D-C 10G SFP+ Transceiver |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40°C to 85°C | -40 to 85°C | -40 to 85°C | -40°C to 85°C | -40 to 85°C |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet, Fibre Channel |
| Transmission Distance | Long-Range | Long-Range | Long-Range | Long-Range | Short-Range |
| Wavelength | 1310 nm | 1550 nm | 1310/1490 nm | 1310nm/1490nm | 850 nm |
| Weight | N/A | 0.1 lbs | N/A | 0.27 lbs | 0.09 lbs |
| Width | N/A | 0.6 inches | N/A | 2.17 inches | 0.55 inches |
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Questions & Answers
Q
What is the DWDM-SFP-4931-120-C 1000BASE-DWDM SFP module?
A
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.
Q
What transmission distance does the DWDM-SFP-4931-120-C support?
A
This 1000BASE-DWDM SFP supports optical transmission distances of up to 120 km over single-mode fiber with a standard DWDM link budget.
Q
Which wavelength does the DWDM-SFP-4931-120-C use?
A
The module operates at a precise DWDM wavelength of 1549.32 nm, meeting ITU grid specifications for dense wavelength-division multiplexing.
Q
Is the DWDM-SFP-4931-120-C compatible with Cisco equipment?
A
Yes, the DWDM-SFP-4931-120-C is fully Cisco compatible and interoperable with Cisco switches, routers, and DWDM amplifiers.
Q
What data rate does the 1000BASE-DWDM SFP module support?
A
The transceiver supports a data rate of 1.25 Gbps for Gigabit Ethernet and other serial applications.
Q
What type of fiber connector does DWDM-SFP-4931-120-C use?
A
It uses an LC duplex connector, compatible with standard single-mode fiber cabling systems.
Q
Which fiber type is recommended for this DWDM SFP module?
A
Single-mode fiber (SMF) with an ITU-T G.652 or G.655 specification is recommended for optimal 120 km performance.
Q
What is the operating temperature range for DWDM-SFP-4931-120-C?
A
The module operates reliably between 0 °C and 70 °C (Commercial) or –40 °C to 85 °C (Industrial) depending on the model variant.
Q
What are the typical applications of the DWDM-SFP-4931-120-C?
A
Ideal applications include long-haul DWDM networks, metro ring extensions, data center interconnects, and telecommunication backbones.
Q
How much power does the 1000BASE-DWDM SFP consume?
A
The DWDM-SFP-4931-120-C consumes less than 1 W of power, ensuring energy-efficient operation.
Q
Is the DWDM-SFP-4931-120-C hot-swappable?
A
Yes, the module is hot-swappable and can be installed or removed without powering down your switch or router.
Q
Which industry standards does this DWDM SFP comply with?
A
It complies with IEEE 802.3z, SFF-8472, ITU-T G.692/G.693, and RoHS environmental standards.
Q
What is the mean time between failures (MTBF) for DWDM-SFP-4931-120-C?
A
The module offers an MTBF of over 1,000,000 hours, ensuring high reliability in critical network deployments.
Q
How do I install the DWDM-SFP-4931-120-C in my Cisco device?
A
Simply insert the module into a compatible SFP port until it clicks, then verify the link status via your Cisco CLI or management interface.
Q
Can the DWDM-SFP-4931-120-C interoperate with other DWDM wavelengths?
A
Yes, the module interoperates with other ITU-grid DWDM channels, enabling dense wavelength-division multiplexing in a single fiber.
Q
What warranty is provided for the DWDM-SFP-4931-120-C module?
A
The DWDM-SFP-4931-120-C comes with a one-year limited warranty covering defects in materials and workmanship.
