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DWDM-SFP10G-3977-ER-C
10GBase-DWDM 1539.77nm SFP+ 40KM Cisco Compatible
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Overview of “DWDM-SFP10G-3977-ER-C”: DWDM-SFP10G-3977-ER-C is a 10G SFP transceiver that delivers DWDM performance with an LC connector designed for extended-range applications on single-mode fiber. Built to support key protocols such as Ethernet and Fibre Channel, it is ideal for use in data centers, telecom networks, and enterprise environments.
This transceiver module features a compact SFP form factor with standardized physical dimensions for easy integration and reliable performance. It is engineered to operate in a temperature range of 0 to 70°C (with storage capability from –40 to 85°C), offers efficient power consumption, and has been validated for compatibility with major network platforms including Cisco, Juniper, Huawei, and Arista.
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 DWDM-SFP10G-3977-ER-C |  DWDM-SFP10G-4373-ER-C |  DWDM-SFP10G-3898-ER-C |  SFP-10G-BX-U20-C |  DWDM-SFP10G-3819-ER-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP+ | SFP+ | SFP+ | SFP+ |
| Data Rate | 10G | 10G | 10G | 10G | 10G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1557 nm | 1550 nm | 1551 nm | 1310nm/1490nm | 1553.3 nm |
| Transmission Distance | Extended-Range | Extended-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 | 40 km | 20 km | 80 km |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 3.5W | 3.5W | 2.5W | 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, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista |
| Product Name | DWDM-SFP10G-3977-ER-C | DWDM-SFP10G-4373-ER-C | DWDM-SFP10G-3898-ER-C | SFP-10G-BX-U20-C | DWDM-SFP10G-3819-ER-C |
| Height | 0.13 inches | 0.66 inches | 0.60 inches | N/A | N/A |
| Width | 0.55 inches | 0.78 inches | 2.54 inches | N/A | N/A |
| Depth | 1.5 inches | 1.18 inches | 0.74 inches | N/A | N/A |
| Weight | 0.2 lbs | 0.2 lbs | 0.11 lbs | N/A | N/A |
Perfect 1539.77nm accuracy for 40KM. Consistent signal integrity and full hardware compatibility. Exceptional reliability for long-haul transport.
Reliable 40KM signaling at 1539.77nm. Recognized instantly by our core gear. High-quality build and steady performance.
Solid DWDM performance. Clear signals and zero packet loss. A dependable solution for high-capacity regional fiber expansion.
Professional grade 1539.77nm optics. Wavelength stability is outstanding. Seamless integration into our existing mux-demux setup.
Excellent signal-to-noise ratio. Link remains solid at 40KM. A very trustworthy part for enterprise networking projects.
Steady throughput and robust build. These 10G transceivers deliver professional stability for our regional backbone links.
Consistent signaling over 40KM. Wavelength precision is exactly what we need for our dense DWDM grid. Great value.
The DWDM-SFP10G-3977-ER-C is a Cisco-compatible 10GBase-DWDM SFP+ transceiver operating at 1539.77 nm for up to 40 km over single-mode fiber.
DWDM stands for Dense Wavelength Division Multiplexing, a technology that combines multiple optical signals on a single fiber by using distinct wavelengths.
This module operates at a fixed wavelength of 1539.77 nm, compliant with ITU-T DWDM channel spacing.
The DWDM-SFP10G-3977-ER-C supports reliable transmission up to 40 km over standard single-mode fiber (OS1/OS2).