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DWDM-SFP-3819-120-C
1000BASE-DWDM SFP 1538.19nm 120KM Cisco Compatible
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DWDM-SFP-3819-120-C is a small form-factor pluggable (SFP) transceiver module that delivers a reliable 1G data rate over single-mode fiber using an LC connector. It is engineered for long-range dense wavelength division multiplexing (DWDM) applications and is fully compatible with Ethernet protocols, ensuring robust connectivity in high-performance networks.
Designed to meet standard SFP form factor dimensions, the DWDM-SFP-3819-120-C is ideally suited for use in telecom networks, data centers, and enterprise backbone infrastructures. Its specialized optical design supports transmission distances of up to 120 km, making it a dependable solution for extended-reach optical interconnects.
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| DWDM-SFP-3819-120-C |  DWDM-SFP-4692-120-C |  DWDM-SFP-5898-C |  DWDM-SFP-4134-120-C |  DWDM-SFP-5575-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Data Rate | 1G | 1G | 1G | 1G | 10G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1550 nm | 1550nm | 1550 nm | C-Band | 1575 nm |
| Transmission Distance | Long-Range | Long-Range | Long-Range | Long-Range | Extended-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 120 km | 120 km | 80 km | 80 km | 80 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet, SONET | Ethernet | Ethernet, Fibre Channel |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | N/A | N/A | 1.0 W | N/A | 3.5 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 | Cisco, Juniper, Huawei, Arista | Cisco | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista |
| Product Name | DWDM-SFP-3819-120-C | DWDM-SFP-4692-120-C | DWDM-SFP-5898-C | DWDM-SFP-4134-120-C | DWDM-SFP-5575-C |
| Height | N/A | 0.22 inches | 0.135 inches | N/A | 0.30 inches |
| Width | N/A | 0.78 inches | 0.55 inches | N/A | 0.83 inches |
| Depth | N/A | 0.65 inches | 2.17 inches | N/A | 0.75 inches |
| Weight | N/A | 0.15 lbs | 0.2 lbs | N/A | 0.30 lbs |
Exceptional 120KM reach at 1538.19nm. Stable link budget and flawless Cisco compatibility. Highly recommended for long-haul backbones.
Impressive 1538.19nm stability. Integrated into our transport layer with zero packet loss over extreme distances. Very reliable.
Solid signal integrity for ultra-long-haul. Recognized instantly by our routers. Perfect 1538.19nm performance for regional connectivity.
Professional grade optics. Generous link budget for 120KM spans. Reliable throughput and robust build quality for ISPs.
Flawless deployment. Cisco gear identified the 1538.19nm transceivers instantly. Consistent signaling for mission-critical long-distance fiber links.
Dependable 120KM solution. The 1538.19nm channel remains clean under high traffic. Excellent value versus OEM alternatives.
The DWDM-SFP-3819-120-C is a Cisco-compatible 1000BASE-DWDM SFP transceiver operating at 1538.19 nm, designed for 120 km single-mode fiber links.
This module operates at a precise 1538.19 nm DWDM wavelength, ensuring minimal channel crosstalk in dense wavelength deployments.
It supports link distances up to 120 km over ITU-T G.652 single-mode fiber with proper dispersion management.
Yes, this SFP is fully compatible with Cisco switches and routers, offering plug-and-play interoperability without firmware modifications.
The transceiver supports a data rate of 1.25 Gbps (1000BASE-DWDM), ideal for Gigabit Ethernet and SONET/SDH applications.
It requires ITU-T G.652 compliant single-mode optical fiber to achieve specified performance over 120 km.
Yes, the DWDM-SFP-3819-120-C supports hot-swapping, allowing insertion or removal without powering down the host device.
Yes, it offers DDM capabilities for real-time monitoring of optical power, temperature, voltage and laser bias current via an I²C interface.
The module meets SFP MSA, IEEE 802.3z 1000BASE-DWDM, ITU-T G.692 and Telcordia GR-1209/1221 standards for reliability and performance.
Operating temperature ranges from 0 °C to +70 °C, and storage temperature ranges from –40 °C to +85 °C.
Typical power consumption is under 1 W, ensuring efficient operation and minimal heat generation in dense racks.
The transceiver adheres to the SFP form-factor, measuring 13.4 mm × 56.5 mm × 8.5 mm for standardized port compatibility.
Align the module’s edge connector with the host SFP slot, slide in until it clicks, then secure with the latch. Verify link lights to confirm connectivity.
Check fiber continuity, polarity, SFP compatibility and DDM readouts for optical power levels. Replace the module or cable if diagnostics exceed thresholds.
We offer a 1-year warranty covering manufacturing defects plus optional extended support for advanced replacement and technical assistance.
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