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DWDM-SFP-5172-120-C
1000BASE-DWDM SFP 1551.72nm 120KM Cisco Compatible
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DWDM-SFP-5172-120-C is a precision-engineered SFP transceiver designed for DWDM applications. It supports a 1G data rate and utilizes an LC connector paired with single-mode fiber to deliver long-range transmission capabilities, making it ideal for critical telecom, data center, and enterprise network deployments. The module operates in the C-band with a nominal wavelength of 1558 nm, ensuring bandwidth efficiency and reliable performance over distances up to 80 km.
The compact form factor and standardized physical dimensions of DWDM-SFP-5172-120-C ensure seamless integration in diverse networking environments. Built for robust operation within an operating temperature range of 0 to 70°C and a storage temperature range of -40 to 85°C, this module is compatible with leading network equipment vendors including Cisco, Juniper, Huawei, and Arista, making it a versatile solution for both network upgrades and new installations.
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| DWDM-SFP-5172-120-C |  DWDM-SFP-5817-120-C |  DWDM-SFP-3977-120-C |  DWDM-SFP-5575-C |  DWDM-SFP-4453-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Data Rate | 1G | 1G | 1G | 10G | 1G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1558 nm | 1550nm | 1550nm | 1575 nm | 1550 nm |
| Transmission Distance | Long-Range | Long-Range | Long-Range | Extended-Range | Long-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 80 km | 120 km | 80 km | 80 km | 80 km |
| Supported Protocols | Ethernet | Ethernet, Fibre Channel | Ethernet, Fibre Channel | Ethernet, Fibre Channel | Ethernet, SONET/SDH |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 1.5W | 2.0W | N/A | 3.5 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 |
| Product Name | DWDM-SFP-5172-120-C | DWDM-SFP-5817-120-C | DWDM-SFP-3977-120-C | DWDM-SFP-5575-C | Cisco DWDM-SFP-4453-C |
| Height | 0.65 inches | 0.35 inches | N/A | 0.30 inches | N/A |
| Width | 0.98 inches | 0.90 inches | N/A | 0.83 inches | N/A |
| Depth | 3.56 inches | 1.00 inches | N/A | 0.75 inches | N/A |
| Weight | 0.15 lbs | 0.07 lbs | N/A | 0.30 lbs | N/A |
Stable 1551.72nm performance for 120KM. Reliable alternative to OEM, providing clarity and full Cisco compatibility.
Flawless signaling at 1551.72nm. Precise wavelength prevents drift. Very happy with the uptime provided.
Superior integrity and build for 120KM. Recognized instantly. Clean channel, ideal for mission-critical transport.
Reliable 1551.72nm optics for 120KM. Running without error for months. Dependable and cost-effective solution.
High-quality 120KM SFP. Accuracy ensures no interference in dense mux. Exceptional performance and value.
Strong signal over 120KM. Professional stability for high-capacity networking. Quick installation and perfect performance.
The DWDM-SFP-5172-120-C is a Cisco‐compatible 1000BASE-DWDM SFP transceiver operating at 1551.72 nm with a 120 km reach over single-mode fiber.
Yes. The DWDM-SFP-5172-120-C is fully Cisco‐compatible, meeting all MSA and Cisco SFP specifications for seamless integration.
This module delivers reliable connectivity up to 120 km (75 miles) over single-mode fiber (SMF) under standard conditions.
It operates at a dense wavelength of 1551.72 nm (channel 72), ideal for DWDM multiplexing in high‐capacity networks.
Use ITU-T G.652 or G.655 compliant single-mode fiber (SMF) for optimal transmission and minimal dispersion.
The module features an LC duplex connector interface, supporting 1000BASE-DWDM SFP optics.
Ideal for metro, long‐haul, and data center interconnects requiring cost‐effective 1 Gbps DWDM links over 120 km.
Yes. It supports hot-plug installation, enabling firmware updates or field replacements without powering down the system.
The module complies with ITU-T G.694.1, SFP MSA, IEEE 802.3ah 1000BASE-DWDM, and RoHS directives.
Standard range: 0 °C to 70 °C (32 °F to 158 °F). Extended options are available for industrial environments.
Insert the LC fiber connectors, align the SFP into the slot, push until it clicks, and verify link status via the switch CLI or GUI.
Consult your device’s SFP compatibility matrix or use a show transceiver command to confirm module recognition and parameters.
Transmit power: –2.0 dBm to +2.0 dBm; receiver sensitivity: ≤ –24 dBm; power budget ≈ 22 dB for 120 km links.
It includes a 1-year limited warranty with lifetime technical support and advance replacement services.
Verify fiber cleanliness, check transceiver diagnostic data (DDM), confirm wavelength match, and review switch port logs for errors.
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