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DWDM-X2-31.12
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DWDM X2 1531.12 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-X2-31.12
- Description:
- DWDM X2 1531.12 nm X2 (100 GHz ITU grid)
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 0691852454952
- 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-X2-31.12 Overview
DWDM-X2-31.12 is a high-performance SFP transceiver that supports a 10G data rate, features LC connectors, and is engineered for long-range single-mode fiber applications. It is designed for Ethernet and Fibre Channel protocols, offering a compact form factor with precise physical dimensions ideal for telecom, data center, and enterprise network deployments.
DWDM-X2-31.12 delivers superior optical performance and reliable connectivity over extended distances while maintaining low power consumption and robust operation over a wide range of temperatures. Its optimized design ensures seamless integration into modern high-speed optical networks with consistent performance in mission-critical environments.
DWDM-X2-31.12 price is $9,081.00, a 54.6% saving from the Cisco list price of $20,000.00. DWDM-X2-31.12 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for DWDM-X2-31.12 for additional pricing. Browse the full Cisco X2 Module series or explore all Cisco products.
DWDM-X2-31.12 Specifications
- Product Type
- Transceiver
- Brand
- Cisco
- Form Factor
- SFP
- Data Rate
- 10G
- Connector Type
- LC
- Wavelength
- 1550nm
- 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-X2-31.12
- Height
- 0.5 inches
- Width
- 0.8 inches
- Depth
- 1.5 inches
- Weight
- 0.1 lbs
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Product Comparison Table 
| DWDM-X2-31.12 |  DWDM-X2-31.90 |  X2-10GB-ER |  DWDM-X2-47.72 |  X2-10GB-CX4 | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | X2 | SFP+ | XFP | XFP |
| Data Rate | 10G | 10G | 10G | 10G | 10G |
| Connector Type | LC | LC | LC | LC | CX4 |
| Transmission Distance | Long-Range | Long-Range | Extended-Range | Long-Range | Short-Range |
| Max Distance | 80 km | 80 km | 40 km | 80 km | 15 meters |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet, Fibre Channel | Ethernet | Ethernet, Fibre Channel | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Ethernet |
| Power Consumption | 3.5W | 3.5W | 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-X2-31.12 | DWDM-X2-31.90 | X2-10GB-ER | DWDM-X2-47.72 | X2-10GB-CX4 |
| Height | 0.5 inches | 0.17 inches | 0.55 inches | 1.0 inches | 0.66 inches |
| Width | 0.8 inches | 0.67 inches | 2.13 inches | 1.5 inches | 1.00 inches |
| Depth | 1.5 inches | 0.67 inches | 1.24 inches | 2.0 inches | 0.70 inches |
| Weight | 0.1 lbs | 0.15 lbs | 0.064 lbs | 0.2 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
I
Isaac Moreland
5
DWDM-X2-31.12 maintained accurate 1531.12nm alignment with stable 10G performance.
J
Jonah Whitfield
4
Strong signal integrity across extended fiber spans.
K
Kieran Frost
4
Integrated smoothly into legacy X2 switches.
L
Landon Pierce
5
Predictable latency and reliable channel stability.
M
Milo Hargrove
4
Dependable DWDM X2 optic for metro deployments.
N
Nathan Cole
5
Consistent throughput supporting backbone expansion.
Questions & Answers
What is the DWDM-X2-31.12 module?
The DWDM-X2-31.12 is a dual-channel Dense Wavelength Division Multiplexing (DWDM) X2 module operating at 1531.12 nm on a 100 GHz ITU grid, designed to increase fiber capacity in high-speed networks.
How does the 100 GHz ITU grid improve network performance?
The 100 GHz ITU grid provides standardized channel spacing that enables up to 40+ DWDM channels per fiber, ensuring scalable bandwidth expansion with low crosstalk and high spectral efficiency.
What transmission distance can I achieve with DWDM-X2-31.12?
The DWDM-X2-31.12 supports up to 80 km of single-mode fiber (SMF) transmission without amplification and can extend beyond 100 km when used with inline optical amplifiers.
What is the typical insertion loss of the DWDM-X2-31.12?
The typical end-to-end insertion loss for the DWDM-X2-31.12 is ≤1.2 dB per channel, ensuring minimal signal attenuation in DWDM systems.
What is the operating temperature range of the DWDM-X2-31.12?
The module operates reliably in temperatures from –5 °C to +70 °C, making it suitable for indoor and controlled outdoor environments.
Is the DWDM-X2-31.12 hot-swappable?
Yes, the DWDM-X2-31.12 is fully hot-swappable, allowing insertion or removal without powering down the host system for uninterrupted service.
What is the typical return loss for this module?
The DWDM-X2-31.12 provides a typical return loss of ≥45 dB, ensuring high signal integrity and low back-reflection.
How do I install the DWDM-X2-31.12 in my chassis?
Insert the DWDM-X2-31.12 into any compatible X2 slot until it clicks, then verify link status via the host’s management interface for proper alignment.
Is the DWDM-X2-31.12 compatible with standard X2 transceivers?
Yes, it conforms to the X2 MSA (Multi-Source Agreement) and is interoperable with all X2-compliant switches and routers from major vendors.
What applications is the DWDM-X2-31.12 best suited for?
It is ideal for data center interconnects, metro ring networks, long-haul transport, and telecom aggregation where bandwidth scalability is critical.
What is the expected Mean Time Between Failures (MTBF)?
The DWDM-X2-31.12 has an MTBF exceeding 500,000 hours, ensuring years of reliable operation under typical network conditions.
Does the module require external cooling?
No, the DWDM-X2-31.12 is designed for standard airflow in network chassis and does not need additional cooling mechanisms.
How do I order spare DWDM-X2-31.12 modules?
Contact your authorized distributor or provide the SKU DWDM-X2-31.12 when placing an order through our sales portal or customer service hotline.
What diagnostic features does the module offer?
It supports Digital Diagnostic Monitoring (DDM) for real-time monitoring of optical power, temperature, voltage, and laser bias current via the host interface.
What packaging dimensions and weight should I expect?
The DWDM-X2-31.12 measures 72 mm × 36 mm × 9.5 mm and weighs approximately 50 g, fitting standard X2 form-factor slots.