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DWDM SFP 1543.73nm provides precise wavelength stability and minimal signal degradation.
DWDM-SFP-4373=
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DWDM SFP 1543,73 nm SFP (100 GHz ITU grid)
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DWDM-SFP-4373=
- Description:
- DWDM SFP 1543,73 nm SFP (100 GHz ITU grid)
- Rating:
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- Brand:
- Cisco
- GTIN:
- 816678019356
- Condition:
- Warranty:
- 3
- List Price:
$7,174.00
- Price:
$2,654.3963% off
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DWDM-SFP-4373= Overview
DWDM-SFP-4373= is an SFP transceiver engineered for high-speed data transmission with a 10G data rate and an LC connector design, tailored for single-mode fiber applications. It supports long-range transmission, making it suitable for applications spanning enterprise networks, data centers, and telecom environments while delivering robust performance with Ethernet and Fibre Channel protocols.
Designed to meet stringent operational requirements, the DWDM-SFP-4373= module features precise physical dimensions and low power consumption, ensuring compatibility with leading network equipment from Cisco, Juniper, and Huawei. Its compact form factor and reliable operating temperature range of 0 to 70°C make it an ideal solution for environments requiring both performance and endurance.
DWDM-SFP-4373= price is $2,654.39, a 63% saving from the Cisco list price of $7,174.00. DWDM-SFP-4373= is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for DWDM-SFP-4373= for additional pricing. Browse the full Sfp+ For 3000 Series series or explore all Cisco products.
DWDM-SFP-4373= Specifications
- Product Type
- Transceiver
- Form Factor
- SFP
- Data Rate
- 10G
- Connector Type
- LC
- Wavelength
- 1550 nm
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 80 km
- Supported Protocols
- Ethernet, Fibre Channel
- Network Interface
- Fiber
- Power Consumption
- 1.5 W
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco, Juniper, Huawei
- Product Name
- DWDM-SFP-4373=
- Height
- 0.66 inches
- Width
- 2.00 inches
- Depth
- 1.00 inches
- Weight
- 0.2 lbs
DWDM-SFP-4373= Use Case
High-Capacity Data Center Interconnect for Cloud Providers
A global cloud operator deploys DWDM-SFP-4373 (1543.73 nm, 100 GHz ITU grid) modules on 10 Gbps DWDM line cards to link two geographically dispersed data centers over a dark-fiber route. By leveraging precise wavelength alignment and low-power SFP form factors, the provider achieves a scalable, low-latency 100 Gbps DWDM ring without costly mux/demux upgrades. Outcome: 40% reduction in cross-site latency, 30% lower OPEX through power-efficient optics, and on-demand bandwidth scaling to support surging VM and container workloads.
5G Backhaul Aggregation in Metro Edge Networks
A regional telecom operator integrates DWDM-SFP-4373 (1543.73 nm, 100 GHz ITU grid) modules into metro-edge switches to aggregate multiple 10 Gbps 5G cell-site links onto a single fiber ring. The precision-tuned DWDM channels minimize chromatic dispersion over distances up to 80 km, eliminating intermediate optics. Outcome: 50% reduction in fiber leasing costs, guaranteed SLAs with sub-5 ms latency, and future-proof capacity for ultra-reliable low-latency communication (URLLC) services.
Low-Latency Financial Trading Ring for Capital Markets
A trading firm establishes a dedicated DWDM ring between its primary exchange colocation site and disaster-recovery facility using DWDM-SFP-4373 (1543.73 nm, 100 GHz ITU grid) modules. The sub-nanosecond wavelength stability and hot-swappable SFPs ensure uninterrupted 10 Gbps connectivity and rapid failover. Outcome: Consistent sub-100 µs round-trip time, compliance with market-data regulations, and a 99.999% uptime guarantee for mission-critical trade execution.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| DWDM-SFP-4373= |  DWDM-SFP-5575= |  DWDM-SFP-4692= |  GLC-T= |  DWDM-SFP-5413= | |
|---|---|---|---|---|---|
| Compatibility | Cisco, Juniper, Huawei | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco | Cisco / Juniper / Huawei / Arista |
| Connector Type | LC | LC | LC | RJ45 | LC |
| Data Rate | 10G | 1G | 1G | 1G | 1G |
| Depth | 1.00 inches | N/A | N/A | N/A | 1.80 inches |
| Fiber Type | Single-mode | Single-mode | Single-mode | N/A | Single-mode |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Height | 0.66 inches | N/A | N/A | N/A | 0.50 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 80 km | 80 km | 80 km | 100 meters | 80 km |
| Network Interface | Fiber | Fiber | Fiber | Copper Ethernet | 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 | 1.5 W | N/A | 3.5 W | 2.5W | 2.5W |
| Product Name | DWDM-SFP-4373= | DWDM-SFP-5575= | DWDM-SFP-4692= | GLC-T= | DWDM-SFP-5413= |
| 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, Fibre Channel | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet |
| Transmission Distance | Long-Range | Long-Range | Long-Range | Short-Range | Long-Range |
| Wavelength | 1550 nm | 1550 nm | 1550 nm | N/A | 1550 nm |
| Weight | 0.2 lbs | N/A | N/A | N/A | 0.05 lbs |
| Width | 2.00 inches | N/A | N/A | N/A | 1.50 inches |
Reviews & Ratings
Q
Quincy Lane
5
Reliable module for enterprise and metro DWDM networks.
R
Raina Barrett
4
Professional-grade optics with consistent throughput.
S
Soren Frost
5
Easy deployment and high reliability under full load.
T
Tobias Steele
5
Durable and efficient for long-distance backbone applications.
Questions & Answers
What is the DWDM-SFP-4373= transceiver?
The DWDM-SFP-4373= is a 1543.73 nm SFP transceiver module designed for Dense Wavelength Division Multiplexing (DWDM) on a 100 GHz ITU grid.
Which data rates does the DWDM SFP 1543.73 nm support?
It supports data rates up to 10 Gbps, making it ideal for high-speed Ethernet and SONET/SDH applications.
What fiber type is required for this DWDM-SFP-4373= module?
The module requires single-mode fiber (SMF) to transmit over long distances with minimal signal loss.
How far can the 1543.73 nm DWDM SFP transmit?
Over standard SMF, it supports link distances up to 80 km without optical amplification.
What connector type does the DWDM-SFP-4373= use?
It uses a duplex LC connector to ensure reliable, low-loss optical connections.
Is the DWDM-SFP-4373= hot-swappable?
Yes, it is fully hot-swappable, allowing you to install or replace the module without powering down your network equipment.
Which ITU channel corresponds to 1543.73 nm on the 100 GHz grid?
1543.73 nm corresponds to ITU DWDM channel 31 on the 100 GHz spacing grid.
Is the DWDM SFP 1543.73 nm RoHS compliant?
Yes, this module meets RoHS directives, ensuring it is free from hazardous substances.
What is the operating temperature range of the DWDM-SFP-4373=?
It operates reliably in the commercial temperature range of 0 °C to 70 °C.
What is the optical output power of this DWDM SFP?
Typical optical output power ranges from –5 dBm to 0 dBm, ensuring robust signal transmission.
What is the receiver sensitivity of the 1543.73 nm module?
Receiver sensitivity reaches –24 dBm, supporting low-power signal detection over long distances.
Which MSA standard does the DWDM-SFP-4373= follow?
It complies with the SFP Multi-Source Agreement (MSA) for full interoperability across leading vendors.
Can I use this DWDM SFP with Cisco, Juniper, or Huawei equipment?
Yes, it is tested for compatibility with major OEMs including Cisco, Juniper, Arista, Huawei, and others.
What power supply does the DWDM-SFP-4373= require?
It operates on a standard 3.3 V DC supply, as defined in the SFP MSA specification.
What warranty is provided with the DWDM SFP 1543.73 nm?
The module includes a one-year limited warranty covering manufacturing defects and performance issues.
How do I install the DWDM-SFP-4373= in my network switch?
Simply insert the module into any SFP port until it clicks, then configure your switch for DWDM channel 1543.73 nm.