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CWDM-SFP-1550-40-C
1000Base-CWDM SFP 1550nm GE 40KM Cisco Compatible
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CWDM-SFP-1550-40-C is a high-performance SFP transceiver module designed for long-range single-mode fiber connectivity. Built for 1G Ethernet applications, this transceiver uses an LC connector and operates at a wavelength of 1550 nm to reliably bridge distances of up to 40 km in environments such as data centers, enterprise networks, and telecom infrastructures.
CWDM-SFP-1550-40-C delivers robust performance for both Ethernet and Fibre Channel protocols thanks to its industry-standard SFP form factor and precise optical engineering. Its compact design ensures seamless integration into existing network systems, making it a trusted solution for high-speed, long-distance communication in diverse networking applications.
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| CWDM-SFP-1550-40-C |  CWDM-SFP-1370-40-C |  CWDM-SFP-1290-C |  CWDM-SFP-1490-40-C |  CWDM-SFP-1330-40-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Data Rate | 1G | 1G | 1G | 1G | 1G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1550 nm | 1370 nm | 1290 nm | 1490 nm | 1330 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 | 40 km | 40 km | 10 km | 40 km | 40 km |
| Supported Protocols | Ethernet, Fiber Channel | Ethernet | Ethernet | Ethernet, Fibre Channel | Ethernet / Fibre Channel |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | N/A | N/A | 1.5W | 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 | Cisco / Juniper / Huawei / Arista |
| Product Name | CWDM-SFP-1550-40-C | CWDM-SFP-1370-40-C | CWDM-SFP-1290-C | CWDM-SFP-1490-40-C | CWDM-SFP-1330-40-C |
| Height | N/A | N/A | 0.53 inches | N/A | N/A |
| Width | N/A | N/A | 2.22 inches | N/A | N/A |
| Depth | N/A | N/A | 0.33 inches | N/A | N/A |
| Weight | N/A | N/A | 0.08 lbs | N/A | N/A |
Perfect 1550nm CWDM link. Stable 40km reach and 100% Cisco compatible. A very reliable part for our mux.
Consistent 1550nm signaling. No signal degradation over time. A solid choice for long-distance CWDM networking.
Solid 1550nm optics. The signal strength is impressive across our 40km span. Very cost-effective networking.
Seamless CWDM integration. Recognized immediately and performing flawlessly. A very dependable and high-quality transceiver.
Professional grade SFP. The 1550nm wavelength is precise for our CWDM grid. Highly satisfied with performance.
High-quality 1550nm performance. It provides the steady connectivity needed for our primary fiber links. Great build.
Great reliability. This 1550nm CWDM module delivers the consistent performance our enterprise network demands.
The CWDM-SFP-1550-40-C is a Cisco-compatible 1000Base-CWDM SFP transceiver operating at 1550 nm with a maximum reach of 40 km over single-mode fiber.
This module supports Gigabit Ethernet and CWDM metro/access links, ideal for long-haul, data center interconnect and enterprise campus networks.
Yes. The CWDM-SFP-1550-40-C is fully compatible with Cisco platforms that accept 1000Base-CWDM SFP modules.
The transceiver operates at 1550 nm wavelength and supports transmission distances up to 40 km over single-mode fiber.
It uses the standard SFP (Small Form-factor Pluggable) form factor with a duplex LC connector interface.
Use ITU-T G.652 single-mode fiber with an LC-to-LC duplex connector to achieve the specified 40 km range.
The module supports a data rate of 1.25 Gbps, compliant with 1000Base-CWDM Gigabit Ethernet standards.
Yes. The SFP module is hot-swappable, allowing insertion or removal without powering down the host device.
Simply align the LC connector, insert the module into an SFP slot until it clicks, and your device will auto-negotiate the link.
Yes. It supports SFF-8472 DDM for real-time monitoring of optical output power, input power, temperature, voltage and bias current.
The operating temperature range is 0 °C to 70 °C (commercial temperature range).
The module consumes less than 1 W of power, ensuring energy-efficient long-distance connectivity.
This transceiver comes with a standard lifetime warranty covering manufacturing defects and performance failures.
Check your equipment’s SFP compatibility list or use an SFP compatibility tool with the part number CWDM-SFP-1550-40-C.
Verify fiber continuity, LC connector cleanliness, correct wavelength match and monitor DDM parameters for abnormalities.
Yes. The 1550 nm wavelength is fully compatible with CWDM MUX/DEMUX systems for channelized optical networks.
Key benefits include Cisco-compatible interoperability, hot-swappability, low power consumption, DDM support and 40 km single-mode reach.
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