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DWDM SFP 1547.72nm ensures consistent 100G performance across dense wavelength grids.
DWDM-SFP-4772=
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DWDM SFP 1547,72 nm SFP (100 GHz ITU grid)
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DWDM-SFP-4772=
- Description:
- DWDM SFP 1547,72 nm SFP (100 GHz ITU grid)
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- Brand:
- Cisco
- GTIN:
- 821455036242
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DWDM-SFP-4772= Overview
DWDM-SFP-4772= is a high-performance SFP optical transceiver module designed specifically for Dense Wavelength Division Multiplexing applications. It supports a 10G data rate over single-mode fiber using LC connectors and is engineered for extended-range transmission, making it an ideal solution for data centers, enterprise networks, and telecom infrastructures.
DWDM-SFP-4772= meets rigorous standards for Ethernet and SONET protocols, ensuring reliable connectivity and compatibility with leading network equipment vendors. With a compact form factor, precise physical dimensions, and optimized power consumption, this DWDM transceiver module is perfectly suited to scale modern network infrastructures while operating efficiently in a broad range of environments.
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DWDM-SFP-4772= Specifications
- Product Type
- Transceiver
- Form Factor
- SFP
- Data Rate
- 10G
- Connector Type
- LC
- Wavelength
- 1550nm
- Transmission Distance
- Extended-Range
- Fiber Type
- Single-mode
- Max Distance
- 80km
- Supported Protocols
- Ethernet, SONET
- Network Interface
- Fiber
- Power Consumption
- 3.5W
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco, Juniper, Huawei, Arista
- Product Name
- DWDM-SFP-4772=
- Height
- 0.3 inches
- Width
- 0.8 inches
- Depth
- 1.5 inches
- Weight
- 0.04 lbs
DWDM-SFP-4772= Use Case
Metro Ethernet Backbone Expansion with DWDM SFP 1547.72 nm (100 GHz ITU Grid)
In a metropolitan ISP network, engineers deploy DWDM-SFP-4772 1547.72 nm SFP modules on existing DWDM line cards to add multiple 100 Gbps channels over the same fiber pair. Leveraging the 100 GHz ITU grid, this approach boosts backbone capacity by 400 % without laying new fiber. Outcome: rapid bandwidth scaling, reduced capital expenditure, and streamlined service activation.
Scalable Data Center Interconnect for Hyperscale Cloud Providers
A cloud operator links two hyperscale data centers 120 km apart using DWDM-SFP-4772 1547.72 nm modules integrated with MUX/DEMUX and EDFAs over dark fiber. Each 100 Gbps channel delivers high throughput and sub-µs latency, enabling seamless VM migrations and storage replication. Outcome: secure, low-latency cross-site connectivity, optimized fiber utilization, and on-demand bandwidth provisioning.
Low-Latency Financial Trading Network with 1547.72 nm DWDM SFP
A financial trading firm installs DWDM-SFP-4772 1547.72 nm SFP modules and dispersion-optimized fiber to establish a 100 Gbps trading link between its exchange gateway and primary data center. Precision 100 GHz ITU grid alignment minimizes chromatic dispersion and amplifier hops. Outcome: sub-millisecond round-trip latency, accelerated trade execution, and competitive market advantage.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| DWDM-SFP-4772= |  CWDM-SFP-1470= |  DWDM-SFP-3504= |  GLC-GE-100FX= |  DWDM-SFP-4931= | |
|---|---|---|---|---|---|
| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei | Cisco / Juniper / Huawei / Arista | Cisco | Cisco, Juniper, Huawei, Arista |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 10G | 1G | 1G | 100 Mbps | 10G |
| Depth | 1.5 inches | 2.0 inches | 0.80 inches | 1.25 inches | 0.94 inches |
| Fiber Type | Single-mode | Single-mode | Single-mode | Multi-mode | Single-mode |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Height | 0.3 inches | 0.23 inches | 0.28 inches | 0.66 inches | 0.16 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 80km | 40 km | 80 km | 2000 meters | 80 km |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 3.5W | 3.2 W | 3.5 W | ≤1.5W | 3.6W |
| Product Name | DWDM-SFP-4772= | CWDM-SFP-1470= | DWDM-SFP-3504= | GLC-GE-100FX SFP Transceiver | DWDM-SFP-4931= |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | Ethernet, SONET | Ethernet | Ethernet | Ethernet | Ethernet, SONET |
| Transmission Distance | Extended-Range | Long-Range | Long-Range | Short-Range | Long-Range |
| Wavelength | 1550nm | 1470 nm | 1550 nm ± 0.5 nm | 1300 nm | 1550 nm |
| Weight | 0.04 lbs | 0.2 lbs | 0.2 lbs | 0.10 lbs | 0.10 lbs |
| Width | 0.8 inches | 0.70 inches | 0.65 inches | 1.10 inches | 0.87 inches |
Reviews & Ratings
L
Liam Frost
4
Low error rates and high reliability, ideal for backbone deployments.
M
Maya Barrett
5
Easy to integrate and maintain. Excellent professional-grade optics.
N
Nolan Hayes
4
Durable module, stable throughput under full load.
O
Olivia Lane
4
Reliable choice for metro and enterprise DWDM networks.
Questions & Answers
What is the DWDM SFP 1547.72 nm SFP transceiver?
The DWDM-SFP-4772= is a 100 GHz ITU grid SFP transceiver operating at a central wavelength of 1547.72 nm, supporting up to 2.7 Gbps for long-haul single-mode fiber links.
Which data rates does the DWDM-SFP-4772= support?
It supports data rates from 100 Mbps to 2.7 Gbps, compatible with SDH/SONET, Gigabit Ethernet, ESCON, FICON, and Fibre Channel protocols.
What is the maximum transmission distance?
Over standard single-mode fiber (SMF), it reliably transmits up to 80 km without intermediate amplification.
Which fiber type is required for optimal performance?
The module requires ITU-T G.652 compliant single-mode fiber (SMF) for low-loss, long-distance DWDM transmission.
What ITU grid channel does this DWDM SFP use?
It operates on the 100 GHz ITU grid channel 44, corresponding to a wavelength of 1547.72 nm.
Is the DWDM-SFP-4772= hot-pluggable?
Yes, it is fully hot-pluggable and meets the SFP MSA standard for live insertion and removal without disrupting network traffic.
Which industry standards does the module comply with?
It complies with IEEE 802.3, ITU-T G.694.1, SFP MSA, RoHS, and Telcordia GR-468-CORE standards.
What is the typical optical budget?
The typical optical budget is 16 dB, providing ample margin for DWDM network deployments.
What is the operating temperature range?
The module operates reliably between 0 °C and 70 °C (commercial range).
How do I install the DWDM-SFP-4772= module?
Align the keyed SFP with the host port, insert it until it clicks, and confirm link status via the host interface.
Can I use this SFP with DWDM MUX/DEMUX units?
Yes, it is fully compatible with 100 GHz DWDM MUX/DEMUX devices for dense wavelength multiplexing.
What is the mean time between failures (MTBF)?
The MTBF exceeds 1 million hours, ensuring high reliability for critical network links.
Does the module include a warranty?
Yes, it includes a one-year manufacturer warranty covering defects and performance issues.
How is the wavelength accuracy verified?
Each unit is factory-tuned with ±0.1 nm wavelength accuracy verified by calibrated optical spectrum analyzers.
What is the typical insertion loss?
The typical insertion loss is ≤1.5 dB, optimizing the overall link budget.
What laser source does the DWDM-SFP-4772= use?
It employs a DFB laser source classified as Class 1 per IEC 60825-1 for safe, continuous operation.
Which digital diagnostic functions are supported?
It supports SFF-8472 digital diagnostics, offering real-time monitoring of optical power, temperature, voltage, and bias current.