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DWDM-SFP-3346-120-C
1000BASE-DWDM SFP 1533.46nm 120KM Cisco Compatible
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DWDM-SFP-3346-120-C is a SFP transceiver designed specifically for DWDM applications. It supports a data rate of 1G and utilizes an LC connector for fiber-optic connectivity, making it ideal for long-range transmission over single-mode fiber networks up to 80 km, while supporting the Ethernet protocol in data center, enterprise, and telecom environments.
Built with precise physical dimensions, this module fits into compact SFP form factor slots with a height of 0.65 inches, width of 1.18 inches, and depth of 0.27 inches, weighing only 0.08 lbs. It operates reliably within a temperature range of 0 to 70°C, is compatible with industry-leading platforms including Cisco, Juniper, Huawei, and Arista, and adheres to the stringent standards required for modern network infrastructures.
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| DWDM-SFP-3346-120-C |  DWDM-SFP-5332-C |  DWDM-SFP-3582-C |  DWDM-SFP-4532-C |  DWDM-SFP-4056-120-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Data Rate | 1G | 1G | 1G | 1G | 1G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1550 nm | 1532 nm | 1571 nm | 1550 nm | 1550 nm |
| Transmission Distance | Long-Range | Long-Range | Extended-Range | Long-Range | Extended-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 80 km | 80 km | 80 km | 80 km | 120 km |
| Supported Protocols | Ethernet | Ethernet, SONET | Ethernet, Fibre Channel | Ethernet, Fibre Channel | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 3.5 W | 1.5W | 3.5W | 2.2 W | N/A |
| 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, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista |
| Product Name | DWDM-SFP-3346-120-C | DWDM-SFP-5332-C | DWDM-SFP-3582-C | DWDM-SFP-4532-C | DWDM-SFP-4056-120-C |
| Height | 0.65 inches | 0.53 inches | 0.22 inches | 0.13 inches | N/A |
| Width | 1.18 inches | 0.33 inches | 0.55 inches | 0.55 inches | N/A |
| Depth | 0.27 inches | 2.22 inches | 0.50 inches | 1.76 inches | N/A |
| Weight | 0.08 lbs | 0.08 lbs | 0.1 lbs | 0.08 lbs | N/A |
Flawless 1533.46nm performance across 120KM. The signal is strong and wavelength alignment is perfect. Ideal for extreme-distance regional transport.
High-quality ultra-long-range SFP. Consistent throughput and stable signal strength at 1533.46nm. A dependable choice for mission-critical networking.
Perfect Cisco compatibility at 1533.46nm over 120KM. Recognized instantly and performing flawlessly in our long-range transport routers.
Reliable ultra-long-haul signaling. No errors since installation on our 120KM link. A very robust transceiver for high-density networks.
Consistent 120KM transport at 1533.46nm. A solid and dependable way to bridge regional nodes on existing single-mode fiber infrastructure.
The DWDM-SFP-3346-120-C is a 1000BASE-DWDM SFP transceiver operating at 1533.46 nm for up to 120 km reach, fully Cisco-compatible.
It uses a precise ITU-T Grid wavelength of 1533.46 nm (Channel 46) for Dense Wavelength Division Multiplexing.
The module supports up to 120 km transmission over standard single-mode fiber (ITU-T G.652) with an OSNR margin.
This SFP supports 1000 Mbps (1.25 Gbps line rate), fully compliant with IEEE 802.3ah 1000BASE-DWDM.
Yes. It’s Cisco-compatible, hot-swappable and conforms to MSA, ensuring seamless operation in Cisco switches and routers.
Use ITU-T G.652 single-mode fiber (SMF-28) with low attenuation for up to 120 km DWDM links.
It features a duplex LC connector for easy mating with single-mode fiber patch cables.
Yes. It supports SFF-8472 DDM, providing real-time monitoring of optical power, temperature, voltage and bias current.
Transmit power ranges from –1 dBm to +4 dBm and receiver sensitivity is typically –24 dBm, ensuring reliable 120 km link budgets.
The module operates from 0 °C to +70 °C (Commercial Temp), ideal for standard data center and telecom environments.
Insert the transceiver into the SFP slot until it locks, connect LC fiber cables, then verify link status via your switch/router.
Yes. It supports hot-swapping, allowing insertion or removal without powering down the host device.
It complies with RoHS, CE, FCC, IEC 60825-1, and SFP MSA for safety and interoperability.
It includes a one-year limited warranty with free replacements for any manufacturing defects.
Use lint-free swabs and isopropyl alcohol to clean LC ferrules before mating to ensure optimal optical performance.
Verify correct wavelength, check DDM readings, inspect connector cleanliness, confirm fiber type and test with an OTDR.
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