FEATURED DEAL

Name:

DWDM-SFP-4373

Description:
DWDM SFP 1543.73 nm SFP (100 GHz ITU grid)
Rating:
4.7(7)
add-to-cart-times-like

Added to cart 28 times recently

Availability:

In stock - Ready to Shiparrow

Brand:
Cisco
GTIN:
691852458219gtin-tool-tip
Condition:
Warranty:
33-year-tagarrow
List Price:

$7,091.00

Price:

$2,721.0061.6% off

Quantity:

1

Business price:

arrow
Enroll your business for free
warranty-icon

3 Year Extended Warranty

arrow
sipping

Same-day Shipping

arrow
money-back

14-Day Money Back Guarantee

arrow
dwdm-sfp-4373 dwdm sfp 1543.73 nm sfp (100 ghz itu grid)
warranty-icon

3 Year Extended Warranty

arrow
sipping

Same-day Shipping

arrow
money-back

14-Day Money Back Guarantee

arrow

Need Additional Discount on Product?

Request a quote below - Get Exclusive Pricing and Support.

Qty:

Exclusive Bulk Discounts tailored to your order size

Priority Processing with a dedicated account manager

Fast Response: Get your custom quote within 5-10 minutes during business hours

Holiday Bonus: Submissions on holidays receive priority handling the next business day

DWDM-SFP-4373

Original Stock
Ready to Ship

DWDM SFP 1543.73 nm SFP (100 GHz ITU grid)

$7,091.00 $2,721.0061.6% off

11 in Global Warehouse Global

TRUSTED, TRIED, PROVEN

trusted-proven-logo-1-1
trusted-proven-logo-2-1
trusted-proven-logo-3-1
trusted-proven-logo-4-1
trusted-proven-logo-5-1
trusted-proven-logo-6-1
trusted-proven-logo-7-1

$5,000,000+

Inventory Delivered By

partner

Officially Accredited

& Verified By

partner

Next-Gen IT

Solutions Powered By

partner

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
Connector Type
LC
Supported Protocols
Ethernet
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
Data Rate
1G
Max Distance
80 km
Weight
0.06 lbs
Power Consumption
2.5 W
Width
0.9 inches
Depth
1.4 inches
Height
0.25 inches
Product Name
DWDM-SFP-4373

Quality Certifications

To get the detailed certification, please go to the Compliance Center.

ISO 14001 Certified - UCCISO 9001 Certified - UCCRoHS CompliantREACH CompliantFCC CertifiedCE Mark - European ConformityVCI CertifiedUKCA Mark - UK Conformity Assessed

Product Comparison Table full-right-arrow

DWDM SFP 1543.73 nm SFP (100 GHz ITU grid)DWDM-SFP-4373OC3/STM1 SFP, Single-mode fiber, Long Reach (40km)SFP-OC3-LR1DWDM SFP 1536.61 nm SFP (100 GHz ITU grid)DWDM-SFP-3661CWDM 1610 NM SFP Gigabit Ethernet and 1G/2G FCCWDM-SFP-1610CWDM 1590 NM SFP Gigabit Ethernet and 1G/2G FCCWDM-SFP-1590
Product TypeTransceiverTransceiverTransceiverTransceiverTransceiver
Form FactorSFPSFPSFPSFPSFP
Data Rate1GOC-3 (155.52 Mbps)1G1G1G
Connector TypeLCLCLCLCLC
Wavelength1550 nm1310 nm1550nm1610 nm1590 nm
Transmission DistanceLong-RangeLong-RangeLong-RangeLong-RangeLong-Range
Fiber TypeSingle-modeSingle-modeSingle-modeSingle-modeSingle-mode
Max Distance80 km10 km80 km80 km80 km
Supported ProtocolsEthernetSONET, OC-3Ethernet, Fibre ChannelEthernet, Fiber ChannelEthernet
Network InterfaceFiberFiberFiberFiberFiber
Power Consumption2.5 W1.3 WN/A1.2W3.5 W
Operating Temperature0 to 70°C0 to 70°C0 to 70°C0 to 70°C0 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 Voltage3.3V3.3V3.3V3.3V3.3V
CompatibilityCisco / Juniper / Huawei / AristaCisco, Juniper, Huawei, AristaCisco, Juniper, Huawei, AristaCisco, Juniper, Huawei, AristaCisco / Juniper / Huawei / Arista
Product NameDWDM-SFP-4373SFP-OC3-LR1DWDM-SFP-3661CWDM-SFP-1610CWDM-SFP-1590
Height0.25 inches0.15 inches0.275 inches0.53 inches0.50 inches
Width0.9 inches0.62 inches0.95 inches2.22 inches0.80 inches
Depth1.4 inches0.32 inches1.5 inches0.29 inches1.50 inches
Weight0.06 lbs0.1 lbs0.1 lbs0.1 lbs0.10 lbs

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.