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DWDM-X2-31.90
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DWDM X2 1531.90 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-X2-31.90
- Description:
- DWDM X2 1531.90 nm X2 (100 GHz ITU grid)
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 0821455043257
- 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-X2-31.90 Overview
DWDM-X2-31.90 is a high-performance DWDM transceiver module that delivers a 10G data rate using LC connectors in an X2 form factor. Its compact physical dimensions and lightweight design make it a perfect solution for high-density environments in data centers, enterprise networks, and telecom applications.
DWDM-X2-31.90 supports Ethernet and Fibre Channel protocols while ensuring long-range optical transmission over single-mode fiber up to 80 km. Engineered for reliability, it operates efficiently with a power consumption of 3.5W and a robust temperature range, and is fully compatible with industry-leading platforms such as Cisco, Juniper, Huawei, and Arista.
DWDM-X2-31.90 price is $9,081.00, a 54.6% saving from the Cisco list price of $20,000.00. DWDM-X2-31.90 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for DWDM-X2-31.90 for additional pricing. Browse the full Cisco X2 Module series or explore all Cisco products.
DWDM-X2-31.90 Specifications
- Product Type
- Transceiver
- Brand
- Cisco
- Form Factor
- X2
- 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
- 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-X2-31.90
- Height
- 0.17 inches
- Width
- 0.67 inches
- Depth
- 0.67 inches
- Weight
- 0.15 lbs
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Product Comparison Table 
| DWDM-X2-31.90 |  X2-10GB-ZR |  DWDM-X2-46.92 |  DWDM-X2-60.61 |  DWDM-X2-55.75 | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | X2 | SFP+ | XFP | XFP | X2 |
| Data Rate | 10G | 10G | 10G | 10G | 100G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1550 nm | 1310 nm | 1550 nm | 1550 nm | 1550 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 | 80 km | 80 km | 80 km | 80 km |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet / Fibre Channel | Ethernet, Fibre Channel |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 3.5W | 3.5 W | 3.5W | 3.5 W | 8W |
| 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-X2-31.90 | X2-10GB-ZR | DWDM-X2-46.92 | DWDM-X2-60.61 | DWDM-X2-55.75 |
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
Y
Yosef Langston
5
DWDM-X2-31.90 delivered stable 1531.90nm alignment with reliable 10G performance.
Z
Zachariah Montrose
5
Strong optical consistency and clean ITU grid spacing.
A
Avery Kingswell
5
Integrated seamlessly into legacy X2 switches.
B
Blaine Strickland
5
Low error rates and predictable throughput.
C
Corbin Redgrave
4
Dependable DWDM X2 optic for backbone expansion.
D
Dorian Ashbourne
5
Consistent signal levels across metro links.
Questions & Answers
What is the DWDM X2 1531.90 nm X2 (100 GHz ITU grid)?
The DWDM X2 1531.90 nm X2 (100 GHz ITU grid) is a dual-channel dense wavelength division multiplexing transceiver in the X2 form factor, optimized for high-capacity optical networking on the ITU-T 100 GHz spacing at 1531.90 nm.
What wavelength does the DWDM X2 1531.90 nm X2 transceiver operate on?
This transceiver operates precisely at 1531.90 nm, matching the ITU-T grid channel for seamless integration into DWDM systems.
What ITU grid spacing does the DWDM X2 1531.90 nm X2 support?
It supports the 100 GHz ITU-T grid spacing, ensuring compatibility with standard DWDM channel plans.
What data rate does the DWDM X2 1531.90 nm X2 provide?
The module delivers up to 10.3125 Gbps per channel, enabling dual-lane throughput for a combined aggregate bandwidth of 20 Gbps.
What maximum transmission distance can the DWDM X2 1531.90 nm X2 achieve?
Optimized for metro and regional networks, it supports a single-span reach of up to 80 km over standard single-mode fiber.
Which fiber type is required for the DWDM X2 1531.90 nm X2?
The module is designed for ITU-T G.652.D single-mode fiber, ensuring low attenuation and dispersion over long distances.
What form factor is the DWDM X2 1531.90 nm X2 transceiver?
It conforms to the X2 Multi-Source Agreement (MSA) form factor, allowing hot-pluggable installation in compatible switches and routers.
How many wavelengths does the DWDM X2 1531.90 nm X2 support?
This transceiver supports two independent wavelengths, each on the ITU-T 100 GHz channel at 1531.90 nm.
What is the power consumption of the DWDM X2 1531.90 nm X2?
The typical power consumption is 2.5 Watts, offering low energy usage for cost-efficient operation.
Is the DWDM X2 1531.90 nm X2 compatible with major network vendors?
Yes, it is interoperable with all leading switch and router platforms that support X2 MSA optical modules.
What is the operating temperature range for the DWDM X2 1531.90 nm X2?
The transceiver operates reliably between 0°C and 70°C, covering standard commercial and extended temperature environments.
Which applications are ideal for the DWDM X2 1531.90 nm X2?
It excels in metro aggregation, data center interconnect, SAN extension, and telecom backbone deployments.
What certifications and compliance standards does the DWDM X2 1531.90 nm X2 meet?
It is RoHS-compliant and meets Telcordia GR-468-CORE and GR-63-CORE reliability standards for optical components.
What warranty is offered for the DWDM X2 1531.90 nm X2?
A standard one-year warranty covers manufacturing defects, with options for extended coverage and on-site support.
How do I install the DWDM X2 1531.90 nm X2 transceiver?
Simply hot-plug the X2 module into a compatible port, secure it in place, and verify link status via your host device’s management interface.
How can I order the DWDM X2 1531.90 nm X2 and what is the lead time?
Use SKU DWDM-X2-31.90 when ordering; typical lead time is 2–4 weeks depending on stock levels and custom packaging requirements.