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DS-CWDM-1490-C
1490nm CWDM GE 1/2-Gbps FC SFP Cisco MDS Compatible
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DS-CWDM-1490-C is a high-performance SFP optical transceiver that delivers a 1G data rate via an LC connector and operates at a 1490 nm wavelength for long-range transmission over single-mode fiber. Designed for rigorous Ethernet applications in telecommunications and data center environments, it offers exceptional reliability and efficiency even in demanding network backbones.
Built in a compact SFP form factor with industry-standard physical dimensions, this CWDM transceiver is ideally suited for enterprise networks, carrier infrastructures, and service provider applications. Its robust construction, extended transmission capability up to 80 km, and proven compatibility with top network equipment vendors ensure it meets the operational and scalability needs of modern optical networks.
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| DS-CWDM-1490-C |  DS-CWDM-1590-C |  DS-CWDM-1570-C |  DS-CWDM-1530-C |  DS-CWDM-1550-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP+ | SFP | SFP |
| Data Rate | 1G | 10G | 10G | 1G | 1G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1490 nm | 1590 nm | 1570 nm | 1530 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 | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 3.5W | N/A | 3.5 W | N/A | N/A |
| 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 | DS-CWDM-1490-C | DS-CWDM-1590-C | DS-CWDM-1570-C 10G SFP+ Transceiver | DS-CWDM-1530-C | DS-CWDM-1550-C |
| Height | 0.65 inches | N/A | 0.28 inches | N/A | N/A |
| Width | 1.0 inches | N/A | 0.55 inches | N/A | N/A |
| Depth | 1.5 inches | N/A | 1.48 inches | N/A | N/A |
| Weight | 0.2 lbs | N/A | 0.06 lbs | N/A | N/A |
Perfect 1490nm wavelength stability. This module is robust and was recognized instantly by our core storage switches. Excellent performance for multiplexed Fibre Channel links.
High-quality 1490nm CWDM SFP. It provides consistent throughput for both 1G and 2G traffic. A reliable and cost-effective solution for our SAN infrastructure.
Robust build and professional signaling. This 1490nm transceiver is dependable and easy to install. Full Cisco compatibility ensured for our critical storage backbone.
Exceptional signal clarity. We used this for our CWDM mux setup and the results have been flawless. Consistent 2Gbps speeds with zero errors detected.
Reliable and high-performing. This 1490nm module offers the precision required for complex DWDM/CWDM environments. Performance matches OEM standards at a fraction of the cost.
The DS-CWDM-1490-C is a 1490 nm CWDM SFP module supporting Gigabit Ethernet and ½ Gbps Fibre Channel, fully compatible with Cisco MDS switch platforms.
It operates at a central wavelength of 1490 nm with a spectral width of ±2 nm, optimized for CWDM multiplexing.
It supports 1 Gbps for Gigabit Ethernet and ½ Gbps for Fibre Channel applications over CWDM networks.
This SFP transceiver uses the industry-standard SFP form factor with a duplex LC fiber connector.
It achieves up to 40 km on single-mode fiber (SMF) at a maximum link loss of 10 dB.
Yes. It is fully tested and certified for Cisco MDS 9200, 9300 and 9500 storage switch series.
Yes. It is hot-pluggable and can be inserted or removed without disrupting system operation.
Yes. It supports SFF-8472 DDM to report real-time laser bias, optical power, temperature and voltage.
The commercial grade range is 0 °C to 70 °C. An extended industrial range (–40 °C to 85 °C) is optionally available.
Typical power draw is less than 1 W, ensuring low energy usage in high-density deployments.
Yes. It meets RoHS 6/6 and lead-free environmental standards for hazardous substance exclusion.
The module offers an MTBF exceeding 2 million hours under standard operating conditions.
Yes. It includes a lifetime limited warranty and free technical support for the module’s lifetime.
It requires single-mode fiber (SMF) with a duplex LC connector for both transmit and receive channels.
A standard CWDM mux supports up to 18 channels from 1270 nm to 1610 nm at 20 nm spacing.
No. DWDM uses 0.8 nm channel spacing; for Dense Wavelength Division Multiplexing, use dedicated DWDM SFP modules.
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