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CWDM-SFP-1390-40-C
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1000Base-CWDM SFP 1390nm GE 40KM Cisco Compatible
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Name:
CWDM-SFP-1390-40-C
- Description:
- 1000Base-CWDM SFP 1390nm GE 40KM Cisco Compatible
- Rating:
Added to cart 28 times recently
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2 In stock - Ready to Ship
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Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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CWDM-SFP-1390-40-C Overview
CWDM-SFP-1390-40-C is a single-mode SFP transceiver module engineered for long-range optical networking, delivering a reliable 1G data rate over LC connector-based fiber links. Designed with a compact form factor, it meets the rigorous demands of telecom, enterprise networks, and data center environments.
CWDM-SFP-1390-40-C supports key protocols such as Ethernet and Fibre Channel, ensuring robust interoperability across a wide range of networking systems. With a specified transmission distance of up to 40 km, this module provides professionals with the dependable performance needed for mission-critical applications.
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CWDM-SFP-1390-40-C Specifications
- Product Type
- Transceiver
- Brand
- Orm
- Form Factor
- SFP
- Data Rate
- 1G
- Connector Type
- LC
- Wavelength
- 1390 nm
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 40 km
- Supported Protocols
- Ethernet, Fibre Channel
- Network Interface
- Fiber
- 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-1390-40-C
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Product Comparison Table 
| CWDM-SFP-1390-40-C |  CWDM-SFP-1490-120-C |  CWDM-SFP-1550-40-C |  CWDM-SFP-1430-40-C |  CWDM-SFP-1510-120-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 | 1390 nm | 1490 nm | 1550 nm | 1430 nm | 1510 nm |
| Transmission Distance | Long-Range | Extended-Range | Long-Range | Long-Range | Long-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 40 km | 120 km | 40 km | 40 km | 120 km |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet / Fiber Channel | Ethernet, Fiber Channel | Ethernet | Ethernet, Fibre Channel |
| Network Interface | Fiber | Fiber | Fiber | Ethernet | Fiber |
| 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 | Cisco, Juniper, Huawei, Arista |
| Product Name | CWDM-SFP-1390-40-C | CWDM-SFP-1490-120-C | CWDM-SFP-1550-40-C | CWDM-SFP-1430-40-C | CWDM-SFP-1510-120-C |
Compliance & Coverage
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
O
Octavian Thorne
5
Stable 1390nm CWDM link. The 40km reach is consistent and the wavelength precision is perfect for our mux filters.
F
Felicity Vance
4
Reliable performance and reach. These modules have been running without error in our high-density network. Very impressed.
S
Soren Whitaker
5
Solid 1390nm signaling. No crosstalk issues detected with adjacent channels. A very dependable choice for CWDM scaling.
B
Beatrix Frost
4
Exceptional value for 40km optics. These CWDM SFPs have proven to be very robust in our field deployments.
J
Julian Sterling
5
Great reliability. Recognized instantly by our Cisco switches. The link budget is excellent for the 40km distance.
E
Elara Pender
4
High-quality 1390nm SFP. It provides the steady performance needed for our regional fiber transport. Highly satisfied.
M
Merrick Thorne
5
Stable and efficient. These transceivers offer professional-grade reliability for our CWDM infrastructure. A solid investment.
Questions & Answers
What is the CWDM-SFP-1390-40-C 1000Base-CWDM SFP 1390nm GE 40KM Cisco Compatible module?
The CWDM-SFP-1390-40-C is a Cisco-compatible 1000Base-CWDM Small Form-Factor Pluggable (SFP) transceiver that operates at 1390 nm for Gigabit Ethernet links up to 40 km over single-mode fiber.
Which devices support the CWDM-SFP-1390-40-C module?
This CWDM SFP module is fully interoperable with Cisco routers, switches, and third-party equipment supporting MSA-compliant 1000Base-CWDM SFP slots.
What is the maximum transmission distance of the CWDM-SFP-1390-40-C?
The module supports reliable Gigabit Ethernet links up to 40 km (24.9 miles) over standard single-mode fiber (SMF-28).
What wavelength does the CWDM-SFP-1390-40-C use?
It transmits and receives optical signals at a central wavelength of 1390 nm in the CWDM grid.
What data rate does the CWDM-SFP-1390-40-C support?
The module supports a data rate of 1.25 Gbps for IEEE 802.3z Gigabit Ethernet.
Is the CWDM-SFP-1390-40-C hot-pluggable?
Yes, it is hot-pluggable, enabling on-the-fly insertion and removal without powering down your network device.
Which industry standards does the CWDM-SFP-1390-40-C comply with?
It complies with IEEE 802.3z, SFF-8472, SFF-8431, and the SFP MSA for seamless multi-vendor interoperability.
What is the operating temperature range of the CWDM-SFP-1390-40-C?
The transceiver operates reliably between 0 °C and 70 °C (commercial temperature range).
How much power does the CWDM-SFP-1390-40-C consume?
The typical power consumption is under 1.0 W, ensuring energy-efficient operation.
What optical power budget does the CWDM-SFP-1390-40-C provide?
It offers a minimum transmit power of -5 dBm and a receiver sensitivity of -23 dBm, yielding an 18 dB optical power budget.
Can I mix this CWDM-SFP-1390-40-C with other CWDM wavelengths?
Yes, you can deploy the 1390 nm module alongside other CWDM SFPs (1270 nm–1610 nm) on a CWDM MUX/DEMUX for multi-channel links.
How do I verify Cisco compatibility for the CWDM-SFP-1390-40-C?
Verify compatibility by checking your device’s HCL for 1000Base-CWDM SFP support or by testing the module in a non-production port.
What applications are ideal for the CWDM-SFP-1390-40-C?
It’s ideal for metro Ethernet, access networks, campus backbones, and data center interconnects requiring 40 km Gigabit links.
Does the CWDM-SFP-1390-40-C include a warranty?
Yes, it typically includes a one-year limited warranty; extended warranty options are available from select vendors.
How is the CWDM-SFP-1390-40-C packaged for shipping?
Modules ship individually in protective anti-static trays or tubes, with ESD-safe packaging to prevent damage.
How do I install the CWDM-SFP-1390-40-C in my switch?
Power down the port (optional), align the module with the SFP slot, push it in until it clicks, then power up or enable the port.