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DWDM-X2-31.12 maintained accurate 1531.12nm alignment with stable 10G performance.
DWDM-X2-31.12
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DWDM X2 1531.12 nm X2 (100 GHz ITU grid)
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Name:
DWDM-X2-31.12
- Description:
- DWDM X2 1531.12 nm X2 (100 GHz ITU grid)
- Rating:
Added to cart 28 times recently
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In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 691852454952
- Condition:
- Warranty:
- 3
- List Price:
$20,000.00
- Price:
$9,081.0054.6% off
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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
- Data Rate
- 10G
- Connector Type
- LC
- Network Interface
- Fiber
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Supported Protocols
- Ethernet, Fibre Channel
- Compatibility
- Cisco, Juniper, Huawei, Arista
- Form Factor
- SFP
- Depth
- 1.5 inches
- Power Consumption
- 3.5W
- Max Distance
- 80 km
- Height
- 0.5 inches
- Weight
- 0.1 lbs
- Width
- 0.8 inches
- Wavelength
- 1550nm
- Product Name
- DWDM-X2-31.12
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
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 |
| Wavelength | 1550nm | 1550 nm | 1310nm | 1550 nm | N/A |
| Transmission Distance | Long-Range | Long-Range | Extended-Range | Long-Range | Short-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | N/A |
| 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 |
Reviews & Ratings
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.