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DWDM-SFP-4851-C
1000BASE-DWDM SFP 1548.51nm 80KM Cisco Compatible
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DWDM-SFP-4851-C is a DWDM SFP transceiver engineered to deliver a 10G data rate over single-mode fiber using an LC connector. Designed for long-range optical networking, this module supports both Ethernet and Fibre Channel protocols and is ideally suited for data centers, enterprise networks, and telecom applications.
DWDM-SFP-4851-C offers a compact SFP form factor with performance optimized for extended optical networks. Its robust design meets stringent operational temperature ranges and ensures compatibility with leading network vendors, enabling reliable integration into modern optical infrastructures.
DWDM-SFP-4851-C price is is available on request. Get immediate quote.
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| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Data Rate | 10G | 1G | 1G | 1G | 1G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1550 nm | 1550 nm | 1550nm | 1550 nm | 1552 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 | 80 km | 120 km | 120 km | 80 km | 80 km |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | 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 |
| 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 | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista |
| Product Name | DWDM-SFP-4851-C | DWDM-SFP-3819-120-C | DWDM-SFP-4692-120-C | DWDM-SFP-5494-C | DWDM-SFP-6141-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.
Precise 1548.51nm signaling. Stable 80KM performance with high signal integrity. Excellent Cisco hardware integration and uptime.
Reliable DWDM SFP. Consistent throughput and stable power levels. A dependable alternative for any enterprise transport.
Superior signal quality over 80KM. Wavelength 1548.51nm is extremely stable. Perfect for our regional ISP backbone.
Professional grade reliability. Easy deployment and robust build. Perfectly compatible with our multiplexing setup and hardware.
Great 1548.51nm optics. Fast installation and rock-solid performance. Dependable solution for expanding fiber bandwidth reliably.
Strong 80KM reach and zero errors. These transceivers provide the stability needed for high-capacity networking applications.
The DWDM-SFP-4851-C supports a link length of up to 80 km over standard single-mode fiber (SMF).
It operates precisely at 1548.51 nm for dense wavelength-division multiplexing (DWDM) applications.
Yes, it is fully compatible with Cisco platforms and passes Cisco authenticity checks.
This module uses the standard SFP (small form-factor pluggable) footprint.
It supports a data rate of 1.25 Gbps for Gigabit Ethernet links.
Single-mode fiber (ITU-T G.652 compliant) is required for optimal performance.
With a typical transmit power of +0.5 dBm and receive sensitivity of –24 dBm, the power budget is 24.5 dB.
It operates between 0 °C and 70 °C (32 °F to 158 °F) ambient temperature.
Yes, it is compliant with SFF-8472 digital diagnostics monitoring for real-time performance data.
Insert the module into an SFP port until it clicks, then enable and configure the interface in your CLI or GUI.
Yes, it supports hot-plug installation and removal without powering down the system.
The module’s receiver sensitivity is –24 dBm, ensuring robust signal detection.
It includes a one-year limited warranty, with extended support options available upon request.
Ideal for long-haul Gigabit Ethernet, Metro DWDM rings, and service-provider networks.
DWDM uses narrower channel spacing (0.8 nm) for higher channel count, while CWDM uses wider spacing (20 nm) for cost-effective deployments.
Key features include 1.25 Gbps rate, 1548.51 nm wavelength, 80 km reach, Cisco compatibility, DDM support, and hot-swap capability.