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DWDM-SFP-4373
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DWDM SFP 1543.73 nm SFP (100 GHz ITU grid)
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Name:
DWDM-SFP-4373
- Description:
- DWDM SFP 1543.73 nm SFP (100 GHz ITU grid)
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 0691852458219
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 3
- List Price:
$7,091.00
- Price:
$2,721.0061.6% off
Quantity:
1
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DWDM-SFP-4373 Overview
DWDM-SFP-4373 is a high-performance SFP transceiver designed for DWDM applications in enterprise, data center, and telecom networks. It supports a 1G data rate with an LC connector and is engineered for long-range communication over single-mode fiber, ensuring reliable Ethernet connectivity in demanding optical networks.
This compact module adheres to the SFP form factor with precise physical dimensions, making it ideal for dense environments where real estate and compatibility are critical. Its robust design and certified performance make DWDM-SFP-4373 a dependable solution for extending network reach in infrastructures requiring high optical fidelity and long-distance signal integrity.
DWDM-SFP-4373 price is $2,721.00, a 61.6% saving from the Cisco list price of $7,091.00. 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 Cisco Sfp Glc Module series or explore all Cisco products.
DWDM-SFP-4373 Specifications
- Product Type
- Transceiver
- Brand
- Cisco
- Form Factor
- SFP
- Data Rate
- 1G
- Connector Type
- LC
- Wavelength
- 1550 nm
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 80 km
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Power Consumption
- 2.5 W
- 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-4373
- Height
- 0.25 inches
- Width
- 0.9 inches
- Depth
- 1.4 inches
- Weight
- 0.06 lbs
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Product Comparison Table 
| DWDM-SFP-4373 |  SFP-OC3-LR1 |  DWDM-SFP-3661 |  CWDM-SFP-1610 |  CWDM-SFP-1590 | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Data Rate | 1G | OC-3 (155.52 Mbps) | 1G | 1G | 1G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1550 nm | 1310 nm | 1550nm | 1610 nm | 1590 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 | 10 km | 80 km | 80 km | 80 km |
| Supported Protocols | Ethernet | SONET, OC-3 | Ethernet, Fibre Channel | Ethernet, Fiber Channel | Ethernet |
| 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 |
| 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-SFP-4373 | SFP-OC3-LR1 | DWDM-SFP-3661 | CWDM-SFP-1610 | CWDM-SFP-1590 |
| Height | 0.25 inches | 0.15 inches | 0.275 inches | 0.53 inches | 0.50 inches |
| Width | 0.9 inches | 0.62 inches | 0.95 inches | 2.22 inches | 0.80 inches |
| Depth | 1.4 inches | 0.32 inches | 1.5 inches | 0.29 inches | 1.50 inches |
| Weight | 0.06 lbs | 0.1 lbs | 0.1 lbs | 0.1 lbs | 0.10 lbs |
Compliance & Warranty
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
P
Pavel Sorensen
5
DWDM-SFP-4373 maintained accurate 1543.73nm channel alignment on the ITU grid.
Q
Quillan Rocha
5
Strong wavelength precision with reliable throughput.
R
Rafferty Klein
4
Integrated smoothly into our DWDM backbone.
S
Soren McAllister
5
Stable optical performance across metro distances.
T
Tavian Bellamy
5
Dependable SFP delivering consistent 1G transport.
U
Ulises Navarro
5
Low error rates and clean signal levels.
V
Viggo Hartmann
4
Reliable DWDM optic for scalable networks.
Questions & Answers
What is the DWDM-SFP-4373 transceiver?
The DWDM-SFP-4373 is a 1.25 Gbps DWDM SFP module operating at 1543.73 nm on the 100 GHz ITU grid, MSA-compliant and hot-swappable for single-mode fiber links up to 80 km.
What wavelength does DWDM-SFP-4373 support?
DWDM-SFP-4373 operates at a fixed wavelength of 1543.73 nm, corresponding to ITU channel 43 on the 100 GHz dense wavelength-division multiplexing grid.
Which ITU grid channel is used by DWDM-SFP-4373?
DWDM-SFP-4373 uses ITU channel 43 on the 100 GHz DWDM grid, aligned to a center wavelength of 1543.73 nm for high-density optical networks.
What data rate does the DWDM-SFP-4373 support?
DWDM-SFP-4373 supports data rates up to 1.25 Gbps for Gigabit Ethernet and SONET/SDH applications over DWDM networks.
How far can DWDM-SFP-4373 transmit data?
This module transmits up to 80 km over single-mode fiber under standard attenuation conditions with no intermediate amplification.
Which fiber type is compatible with DWDM-SFP-4373?
DWDM-SFP-4373 is compatible with ITU-Ti-G.652 single-mode fiber (SMF) optimized for DWDM transmission on the 100 GHz grid.
Is the DWDM-SFP-4373 hot-swappable?
Yes, DWDM-SFP-4373 is hot-swappable and can be inserted or removed from a compatible SFP slot without powering down the host device.
Does DWDM-SFP-4373 support digital diagnostics monitoring (DDM)?
Yes, the module supports full digital diagnostics (DDM) per MSA, providing real-time monitoring of optical power, temperature, voltage and bias current.
What connector interface does DWDM-SFP-4373 use?
DWDM-SFP-4373 uses a standard LC duplex connector interface for easy integration with pre-terminated fiber patch cords.
What is the operating temperature range for DWDM-SFP-4373?
The transceiver supports an operating temperature range of 0 °C to 70 °C (32 °F to 158 °F) for commercial-grade deployments.
Is DWDM-SFP-4373 compatible with Cisco and other major brands?
Yes, DWDM-SFP-4373 is fully compatible with Cisco, Juniper, HP, Huawei and other switches and routers that accept MSA-compliant SFP modules.
What power budget does DWDM-SFP-4373 offer?
It provides a transmit power range of –5 to 0 dBm and a receiver sensitivity of –23 dBm, yielding an 18 dB optical power budget.
How do I install the DWDM-SFP-4373?
Insert DWDM-SFP-4373 into a compatible SFP slot until it latches, then verify the host’s link LED and configure the interface for the correct channel.
What are common applications for DWDM-SFP-4373?
Typical uses include metro and long-haul DWDM networks, point-to-point links, data center interconnects and fiber-optic backbone expansion.
What warranty and support are provided for DWDM-SFP-4373?
DWDM-SFP-4373 comes with a one-year limited warranty, backed by 24/7 technical support and optional extended coverage plans.
How can I troubleshoot link issues with DWDM-SFP-4373?
Check DDM readings for power, inspect fiber cleanliness and connector integrity, ensure correct channel configuration and verify host port settings.