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DWDM-X2-40.56
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DWDM X2 1540.56 nm X2 (100 GHz ITU grid)
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Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
DWDM-X2-40.56
- Description:
- DWDM X2 1540.56 nm X2 (100 GHz ITU grid)
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 0821455043141
- 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:
$20,000.00
- Price:
$9,081.0054.6% off
Quantity:
1
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DWDM-X2-40.56 Overview
DWDM-X2-40.56 is a DWDM optical transceiver module in the X2 form factor designed for 40G data rate applications. It features LC connectors and is engineered for long-range transmission over single-mode fiber, supporting Ethernet protocols for reliable high-speed connectivity in demanding environments.
DWDM-X2-40.56 offers a compact, low-profile design with physical dimensions optimized for seamless integration into data center, enterprise network, and telecom systems. Its robust performance and adherence to rigorous industry standards make it ideal for networks requiring scalable, high-capacity optical links.
DWDM-X2-40.56 price is $9,081.00, a 54.6% saving from the Cisco list price of $20,000.00. DWDM-X2-40.56 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for DWDM-X2-40.56 for additional pricing. Browse the full Cisco X2 Module series or explore all Cisco products.
DWDM-X2-40.56 Specifications
- Product Type
- Transceiver
- Brand
- Cisco
- Form Factor
- X2
- Data Rate
- 40G
- 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
- 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-X2-40.56
- Height
- 0.28 inches
- Width
- 0.90 inches
- Depth
- 0.55 inches
- Weight
- 0.35 lbs
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Product Comparison Table 
| DWDM-X2-40.56 |  DWDM-X2-58.98 |  DWDM-X2-58.17 |  X2-10GB-CX4 |  DWDM-X2-56.55 | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | X2 | SFP | XFP | XFP | XFP |
| Data Rate | 40G | 10G | 10G | 10G | 10G |
| Connector Type | LC | LC | LC | CX4 | LC |
| Transmission Distance | Long-Range | Long-Range | Long-Range | Short-Range | Long-Range |
| Max Distance | 80 km | 80 km | 80 km | 15 meters | 80 km |
| Supported Protocols | Ethernet | Ethernet, SONET/SDH | Ethernet, Fibre Channel | Ethernet | Ethernet, Fibre Channel |
| Network Interface | Fiber | Fiber | Fiber | Ethernet | Fiber |
| Power Consumption | 5W | 1.5W | 3.5W | 3.5W | 3.5W |
| 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-X2-40.56 | DWDM-X2-58.98 Optical Transceiver Module | DWDM-X2-58.17 | X2-10GB-CX4 | DWDM-X2-56.55 |
| Height | 0.28 inches | 0.3 inches | 0.55 inches | 0.66 inches | 1.0 inches |
| Width | 0.90 inches | 0.8 inches | 0.80 inches | 1.00 inches | 1.0 inches |
| Depth | 0.55 inches | 1.5 inches | 2.00 inches | 0.70 inches | 2.0 inches |
| Weight | 0.35 lbs | 0.1 lbs | 0.2 lbs | 0.10 lbs | 0.2 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
O
Oisin Price
4
DWDM-X2-40.56 delivered stable 1540.56nm alignment on our DWDM grid.
P
Paxon Hayes
5
Strong 10G throughput and reliable signal integrity.
Q
Quillon Barnes
5
Integrated smoothly into legacy X2 switches.
R
Rexton Delgado
4
Low latency and predictable performance.
S
Sullivan Hayes
5
Dependable optic for metro backbone deployments.
T
Tavian Reese
5
Consistent optical output under production loads.
U
Ulric Doyle
4
Reliable wavelength precision for scalable networks.
Questions & Answers
What is the DWDM-X2-1540.56 nm X2 (100 GHz ITU grid) module?
The DWDM-X2-1540.56 nm X2 is a dual-channel, dense wavelength division multiplexer transceiver module designed for 100 GHz ITU grid spacing at the 1540.56 nm wavelength.
Which ITU grid and channel does the DWDM-X2-1540.56 nm module support?
It precisely supports the ITU-T G.694.1 100 GHz grid at channel 40, corresponding to a central wavelength of 1540.56 nm.
What data rates are compatible with the DWDM-X2-1540.56 nm X2 module?
The module is compatible with data rates from 1.25 Gb/s up to 11.3 Gb/s, covering SONET/SDH, Ethernet, and Fibre Channel applications.
What is the maximum transmission distance achievable?
With standard single-mode fiber and an EDFA amplifier, the module supports distances up to 120 km without dispersion compensation.
What is the typical optical insertion loss?
The typical insertion loss per channel is 3.5 dB, meeting industry standards for DWDM multiplexing modules.
What is the module’s optical return loss (ORL)?
The DWDM-X2-1540.56 nm X2 delivers an ORL of ≥45 dB, ensuring minimal back reflections and stable performance.
Which physical interface and connector type does it use?
The module uses an LC/UPC duplex connector interface and conforms to the X2 form factor, compatible with X2-compliant ports.
What is the operating temperature range?
It operates reliably between 0 °C and +70 °C (commercial range), supporting diverse environmental conditions.
Is the DWDM-X2 module hot-swappable?
Yes, the X2 module supports hot-swap capability, enabling installation or removal without powering down the system.
Which network devices are compatible with this module?
It is compatible with all IEEE-compliant X2 ports on switches, routers, and optical transport platforms supporting DWDM transceivers.
Does the module require external dispersion compensation?
For standard links up to 40 km, no external dispersion compensation is required; longer links may benefit from DCM modules.
What power budget does the module provide?
The DWDM-X2-1540.56 nm module offers a power budget of up to 20 dB, accommodating typical link loss scenarios.
Which applications are best suited for this DWDM module?
It is ideal for metro and long-haul optical networks, carrier aggregation, data center interconnects, and high-density wavelength services.
How do I order the DWDM-X2-1540.56 nm X2 module?
Order by specifying SKU DWDM-X2-40.56; include required channel details and quantity when placing your purchase order.
What warranty and support are available?
The module includes a one-year warranty with lifetime technical support and next-business-day replacement options available.