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CWDM-SFP-1290-40-C
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- 1000Base-CWDM SFP 1290nm GE 40KM Cisco Compatible
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CWDM-SFP-1290-40-C Overview
CWDM-SFP-1290-40-C is an SFP optical transceiver module designed for CWDM applications, delivering a reliable 1G data rate and utilizing an LC connector to support long-range transmissions over single-mode fiber. It is optimized for Ethernet protocols and is ideal for use in data centers, enterprise networks, and telecom environments.
CWDM-SFP-1290-40-C offers a compact SFP form factor with standardized physical dimensions, ensuring seamless integration into existing network infrastructures. Its robust design enables high-performance optical communications over distances of up to 40 km, making it a dependable choice for scalable and high-speed fiber-optic deployments.
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CWDM-SFP-1290-40-C Specifications
| Product Type | Transceiver |
| Form Factor | SFP |
| Data Rate | 1G |
| Connector Type | LC |
| Wavelength | 1290 nm |
| Transmission Distance | Long-Range |
| Fiber Type | Single-mode |
| Max Distance | 40 km |
| Supported Protocols | Ethernet |
| Network Interface | Fiber |
| Power Consumption | 1.5W |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco / Juniper / Huawei / Arista |
| Product Name | CWDM-SFP-1290-40-C |
| Height | 0.13 inches |
| Width | 0.55 inches |
| Depth | 0.95 inches |
| Weight | 0.1 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 1G | 1G | 1G | 1G | 1G |
| Depth | 0.95 inches | N/A | N/A | N/A | 0.33 inches |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Height | 0.13 inches | N/A | N/A | N/A | 0.55 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 40 km | 40 km | 40 km | 40 km | 80 km |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 1.5W | N/A | N/A | N/A | 1.5 W |
| Product Name | CWDM-SFP-1290-40-C | CWDM-SFP-1310-40-C | CWDM-SFP-1330-40-C | CWDM-SFP-1450-40-C | CWDM-SFP-1530-C |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | Ethernet | Ethernet | Ethernet / Fibre Channel | Ethernet, Fibre Channel | Ethernet |
| Transmission Distance | Long-Range | Long-Range | Long-Range | Long-Range | Long-Range |
| Wavelength | 1290 nm | 1310 nm | 1330 nm | 1450 nm | 1530 nm |
| Weight | 0.1 lbs | N/A | N/A | N/A | 0.08 lbs |
| Width | 0.55 inches | N/A | N/A | N/A | 2.22 inches |
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Questions & Answers
Q
What is the 1000Base-CWDM SFP 1290nm GE 40KM Cisco Compatible (CWDM-SFP-1290-40-C)?
A
The CWDM-SFP-1290-40-C is a Cisco-compatible 1000Base-CWDM SFP transceiver that operates at 1290 nm for Gigabit Ethernet links up to 40 km over single-mode fiber.
Q
What wavelength does the CWDM-SFP-1290-40-C transmit and receive on?
A
The module transmits and receives optical signals at a nominal wavelength of 1290 nm, compliant with the CWDM wavelength grid.
Q
How far can the CWDM-SFP-1290-40-C reliably transmit data?
A
The transceiver supports link distances up to 40 kilometers on standard single-mode fiber (SMF-28) at 9/125 µm core/cladding.
Q
Is the CWDM-SFP-1290-40-C hot-swappable?
A
Yes. The module is fully hot-swappable in any SFP port without disrupting adjacent ports or requiring a system reboot.
Q
Does the CWDM-SFP-1290-40-C support digital diagnostics (DDM/DOM)?
A
Yes. It offers Digital Diagnostics Monitoring (DDM/DOM) for real-time monitoring of optical power, temperature, voltage and laser bias current.
Q
Which Cisco platforms are compatible with the CWDM-SFP-1290-40-C?
A
This transceiver is interoperable with most Cisco routers and switches that support 1000Base-CWDM SFP modules, including Catalyst and Nexus series.
Q
What power supply voltage does the CWDM-SFP-1290-40-C require?
A
The module operates from a +3.3 VDC supply and consumes less than 1 W in nominal conditions, meeting SFP MSA specifications.
Q
What operating temperature range does the CWDM-SFP-1290-40-C support?
A
It supports an operating temperature range of 0 °C to +70 °C (commercial grade) and –40 °C to +85 °C (industrial grade).
Q
What fiber type and connector does the CWDM-SFP-1290-40-C use?
A
It is designed for single-mode fiber (9/125 µm) with an LC duplex connector interface for CWDM applications.
Q
Does the CWDM-SFP-1290-40-C comply with industry standards?
A
Yes. It complies with IEEE 802.3ah (1000Base-LX) and SFF-8431/CWDM MSA specifications for physical and optical performance.
Q
Can I mix different CWDM SFP modules on the same fiber link?
A
Yes. You can combine CWDM SFP modules with different wavelengths on the same single-fiber or dual-fiber ribbon for wavelength-division multiplexing.
Q
How do I install the CWDM-SFP-1290-40-C in my switch?
A
Power down the port (optional), insert the module into the SFP cage until it clicks, then restore power or enable the port to establish the link automatically.
Q
What warranty covers the CWDM-SFP-1290-40-C transceiver?
A
It is backed by a 1-year limited warranty covering defects in materials and workmanship when used under normal operating conditions.
Q
How do I troubleshoot a link failure with the CWDM-SFP-1290-40-C?
A
Verify fiber polarity, connector cleanliness, DDM reports, link speed settings, and ensure both ends use matching CWDM wavelengths.
Q
Where can I purchase genuine CWDM-SFP-1290-40-C modules?
A
You can buy certified modules from authorized network equipment resellers, online marketplaces specializing in Cisco-compatible optics, or directly from select distributors.
