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DWDM-SFP-3977 delivered precise 1539.77nm performance on our grid.
DWDM-SFP-3977
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DWDM SFP 1539.77 nm SFP (100 GHz ITU grid)
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DWDM-SFP-3977
- Description:
- DWDM SFP 1539.77 nm SFP (100 GHz ITU grid)
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- Brand:
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- GTIN:
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- List Price:
$7,091.00
- Price:
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DWDM-SFP-3977 Overview
DWDM-SFP-3977 is a high-performance SFP transceiver designed for dense wavelength division multiplexing applications. It supports a 1G data rate, utilizes an LC duplex connector, and delivers long-range transmission over single-mode fiber, making it ideal for telecom and enterprise networks.
Engineered in a compact SFP form factor, this module features physical dimensions of approximately 0.75 inches in height, 1.2 inches in width, and 1.0 inches in depth. It supports Ethernet and Fibre Channel protocols, ensuring reliable operation in data centers, metro networks, and other mission-critical environments while maintaining efficient power consumption and robust performance within industrial temperature ranges.
DWDM-SFP-3977 price is $2,721.00, a 61.6% saving from the Cisco list price of $7,091.00. DWDM-SFP-3977 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for DWDM-SFP-3977 for additional pricing. Browse the full Cisco Sfp Glc Module series or explore all Cisco products.
DWDM-SFP-3977 Specifications
- Product Type
- Transceiver
- Connector Type
- LC
- Network Interface
- Fiber
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco / Juniper / Huawei / Arista
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Wavelength
- 1550 nm
- Form Factor
- SFP
- Height
- 0.75 inches
- Data Rate
- 1G
- Max Distance
- 80 km
- Depth
- 1.0 inches
- Power Consumption
- 1.5W
- Weight
- 0.1 lbs
- Width
- 1.2 inches
- Supported Protocols
- Ethernet / Fiber Channel
- Product Name
- DWDM-SFP-3977
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| DWDM-SFP-3977 |  SFP-GPON-C-I |  CWDM-SFP10G-1510= |  DWDM-SFP-4453 |  CWDM-SFP10G-1530= | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP+ | SFP | SFP+ |
| Data Rate | 1G | 2.5G | 10G | 10G | 10G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1550 nm | 1490 nm | 1510 nm | 1530-1565 nm | 1530 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 | 20 km | 80 km | 80 km | 80 km |
| Supported Protocols | Ethernet / Fiber Channel | GPON | Ethernet, Fibre Channel | Ethernet, Fibre Channel | Ethernet |
| Network Interface | Fiber | Fiber | Ethernet | Fiber | Fiber |
| Power Consumption | 1.5W | 0.9 W | N/A | 1.5W | N/A |
| Operating Temperature | 0 to 70°C | -40 to 85°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 | N/A | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista |
| Product Name | DWDM-SFP-3977 | SFP-GPON-C-I | CWDM-SFP10G-1510= | DWDM-SFP-4453 | CWDM-SFP10G-1530= |
| Height | 0.75 inches | N/A | N/A | 0.3 inches | N/A |
| Width | 1.2 inches | N/A | N/A | 0.7 inches | N/A |
| Depth | 1.0 inches | N/A | N/A | 1.0 inches | N/A |
| Weight | 0.1 lbs | N/A | N/A | 0.05 lbs | N/A |
Reviews & Ratings
I
Ibrahim Petrov
5
Strong optical consistency and reliable throughput.
J
Joaquin Mendez
5
Integrated seamlessly into high-capacity DWDM systems.
K
Krzysztof Zielinski
5
Low latency and stable signal integrity.
L
Luca Ferrari
4
Dependable SFP supporting metro transport growth.
M
Milan Kovacevic
5
Accurate wavelength control with clean output.
N
Nuno Carvalho
5
Reliable DWDM optic for enterprise backbone links.
Questions & Answers
What wavelength does the DWDM SFP 1539.77 nm transceiver operate on?
The DWDM SFP (SKU: DWDM-SFP-3977) operates at a precise wavelength of 1539.77 nm on the 100 GHz ITU grid for wavelength-division multiplexing.
Which ITU channel corresponds to 1539.77 nm on the 100 GHz grid?
1539.77 nm corresponds to ITU channel 34 on the 100 GHz DWDM grid, ensuring standardized wavelength allocation in dense networks.
What data rate does the DWDM SFP 1539.77 nm support?
This DWDM SFP supports a line rate of up to 1.25 Gb/s (SFP) for synchronous optical networking and Ethernet applications.
What is the maximum transmission distance for this DWDM SFP module?
Over single-mode fiber (SMF) with up to 0.45 dB/km loss, this module supports reaches of up to 80 km without amplification.
Which fiber type is required for the DWDM SFP 1539.77 nm transceiver?
The module requires standard single-mode fiber (SMF, ITU-T G.652) with LC-to-LC duplex connectors.
Is the DWDM SFP 1539.77 nm hot-swappable?
Yes, the DWDM SFP is fully hot-swappable and can be inserted or removed without powering down the host device.
Does this DWDM SFP support digital diagnostics (DDM/DOM)?
Yes, it features SFF-8472 compliant digital diagnostics monitoring for real-time optical performance metrics.
What is the typical transmitter output power and receiver sensitivity?
Typical output power is between –2 dBm and +3 dBm, and receiver sensitivity is ≤ –24 dBm for a 1.25 Gb/s link.
What is the operating temperature range of the DWDM SFP 1539.77 nm module?
The standard version operates from 0 °C to +70 °C ambient, with an extended option available from –40 °C to +85 °C.
Is the DWDM-SFP-3977 compatible with major switch and router brands?
Yes, it is fully compatible with Cisco, Juniper, Arista, Huawei and other SFP-compatible network devices.
What form factor and connector type does this transceiver use?
It uses the SNMP-friendly SFP form factor with an LC duplex connector for space-efficient port density.
What is the mean time between failures (MTBF) for this DWDM SFP?
The DWDM module has an MTBF exceeding 1,000,000 hours, ensuring high reliability in continuous operation.
Which certifications does the DWDM SFP 1539.77 nm hold?
It is CE, FCC and RoHS certified, meeting global safety, electromagnetic compatibility and environmental standards.
How do I install the DWDM SFP 1539.77 nm module?
Power down the port or enable hot-swap, gently insert the SFP into the device slot until it clicks, then verify link status.
Can this module be used in metro and long-haul DWDM networks?
Yes, its 100 GHz channel spacing and high optical budget make it suitable for both metro and up to 80 km long-haul links.
What warranty and support are offered with this DWDM SFP?
The module includes a two-year warranty and lifetime technical support for prompt troubleshooting and replacement.