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CWDM-SFP-1570-40-C
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1000Base-CWDM SFP 1570nm GE 40KM Cisco Compatible
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Name:
CWDM-SFP-1570-40-C
- Description:
- 1000Base-CWDM SFP 1570nm 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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- Orm
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Certified Refurbished
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CWDM-SFP-1570-40-C Overview
CWDM-SFP-1570-40-C is a compact SFP optical transceiver engineered for 1G Ethernet applications, featuring an LC connector and optimized for long-range transmission over single-mode fiber. It operates at a wavelength of 1570 nm with a maximum reach of up to 40 km, meeting rigorous data center, enterprise network, and telecom deployment requirements while maintaining industry-standard form factor and reliable physical dimensions.
This module is designed for high-performance optical networking, supporting essential protocols for Ethernet connectivity. Its robust design and defined electrical parameters ensure stable operation across standard operating and storage temperature ranges, making it an optimal choice for critical long-distance fiber interconnect solutions.
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CWDM-SFP-1570-40-C Specifications
- Product Type
- Transceiver
- Brand
- Orm
- Form Factor
- SFP
- Data Rate
- 1G
- Connector Type
- LC
- Wavelength
- 1570 nm
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 40 km
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Product Name
- CWDM-SFP-1570-40-C
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Product Comparison Table 
| CWDM-SFP-1570-40-C |  CWDM-SFP-1530-40-C |  CWDM-SFP-1490-120-C |  CWDM-SFP-1590-C |  CWDM-SFP-1570-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 | 1570 nm | 1530 nm | 1490 nm | 1590 nm | 1570 nm |
| Transmission Distance | Long-Range | Long-Range | Extended-Range | Long-Range | Long-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 40 km | 40 km | 120 km | 80 km | 40 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet / Fiber Channel | Ethernet, Fibre Channel | Ethernet |
| 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 |
| Product Name | CWDM-SFP-1570-40-C | CWDM-SFP-1530-40-C | CWDM-SFP-1490-120-C | CWDM-SFP-1590-C | CWDM-SFP-1570-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
H
Hugo Beaumont
5
Flawless 1570nm CWDM optics. Stable 40km link and perfect wavelength accuracy. Very reliable for our fiber expansion.
B
Beatrix Crane
4
Reliable 1570nm performance. Fits our mux setup perfectly with zero channel interference. A great value product.
J
Jasper Vance
5
Excellent 1570nm signaling. Consistent reach and power levels over 40km. Highly recommended for Cisco setups.
T
Tabitha Finch
5
Reliable expansion module. Integration was effortless and the stability has been perfect. Very impressed with the quality.
L
Lachlan Ross
5
Solid 1570nm 40km reach. Wavelength precision is spot on. A very dependable choice for high-density CWDM.
I
Isadora Moon
4
Highly compatible. Recognized immediately by our core routers. A trustworthy solution for adding CWDM capacity.
Q
Quentin Blythe
5
Great value and reliability. These 1570nm transceivers offer professional performance at a competitive price point.
Questions & Answers
What is the CWDM-SFP-1570-40-C module?
The CWDM-SFP-1570-40-C is a Cisco-compatible 1000Base-CWDM SFP transceiver operating at 1570 nm for Gigabit Ethernet over single-mode fiber up to 40 km.
Is the CWDM-SFP-1570-40-C compatible with Cisco equipment?
Yes, the CWDM-SFP-1570-40-C is fully compatible with Cisco switches and routers, supporting automatic recognition and policy compliance.
What wavelength does the CWDM-SFP-1570-40-C use?
The module operates at a CWDM wavelength of 1570 nm to ensure low dispersion and optimal channel separation.
What maximum distance can I achieve with this SFP?
You can reach up to 40 km over single-mode fiber with the CWDM-SFP-1570-40-C under standard link budgets.
Which fiber type and connector does the CWDM-SFP-1570-40-C require?
It requires single-mode fiber (SMF, 9/125 µm) and uses a duplex LC connector for transmission and reception.
What is the data rate supported by this module?
The CWDM-SFP-1570-40-C supports a data rate of 1.25 Gbps, compliant with 1000Base-CWDM Ethernet standards.
Is the CWDM-SFP-1570-40-C hot‐pluggable?
Yes, the SFP transceiver is hot-swappable, allowing insertion or removal without powering down your network device.
Does the CWDM-SFP-1570-40-C support digital diagnostics (DDM/DOM)?
Yes, it supports Digital Diagnostics Monitoring (DDM/DOM) for real-time monitoring of temperature, voltage, bias current, and optical power.
What temperature range does this module operate in?
The operating temperature range is 0 °C to 70 °C (32 °F to 158 °F), suitable for most indoor networking environments.
How do I install the CWDM-SFP-1570-40-C transceiver?
Align the LC connector, insert the module into the SFP slot until it clicks, and verify link status LEDs on your switch or router.
Can I mix this Cisco-compatible SFP with genuine Cisco brands?
Yes, you can mix CWDM-SFP-1570-40-C modules with Cisco OEM SFPs in the same system—just ensure matching wavelengths and distances.
Is the CWDM-SFP-1570-40-C RoHS compliant?
Yes, the module is RoHS-compliant, ensuring it meets environmental and hazardous substance regulations.
What is the typical power consumption of this module?
The typical power consumption is under 1 W, making it energy-efficient for large deployments.
What warranty and support are provided?
Most vendors offer a lifetime warranty and free technical support for the CWDM-SFP-1570-40-C when used with compatible hardware.
How do I troubleshoot link failures with this SFP?
Verify fiber polarity, clean LC connectors, confirm correct wavelength pairing, and check DDM readings via your switch’s CLI.
What applications is the 1570 nm CWDM SFP ideal for?
It’s ideal for metro Ethernet, data center interconnects, and enterprise backbone links requiring extended reach and channel multiplexing.