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CWDM-SFP-1270-40-C
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1000Base-CWDM SFP 1270nm GE 40KM Cisco Compatible
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Name:
CWDM-SFP-1270-40-C
- Description:
- 1000Base-CWDM SFP 1270nm GE 40KM Cisco Compatible
- Rating:
Added to cart 28 times recently
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2 In stock - Ready to Ship
- Brand:
- Orm
- Condition:
Certified Refurbished
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-1270-40-C Overview
CWDM-SFP-1270-40-C is a high-performance SFP transceiver engineered for long-range optical communication over single-mode fiber using coarse wavelength division multiplexing technology. It supports a 1G data rate with an LC connector interface and is built to meet stringent networking requirements in enterprise networks, data centers, and telecom environments.
Designed in a compact SFP form factor with industry-standard physical dimensions, CWDM-SFP-1270-40-C delivers reliable Ethernet connectivity across distances of up to 40 km. Its robust design and Cisco compatibility make it an excellent choice for infrastructures requiring proven, long-haul connectivity solutions.
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CWDM-SFP-1270-40-C Specifications
- Product Type
- Transceiver
- Brand
- Orm
- Form Factor
- SFP
- Data Rate
- 1G
- Connector Type
- LC
- Wavelength
- 1270 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
- Product Name
- CWDM-SFP-1270-40-C
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Product Comparison Table 
| CWDM-SFP-1270-40-C |  CWDM-SFP-1330-40-C |  CWDM-SFP-1590-40-C |  CWDM-SFP-1430-C |  CWDM-SFP-1290-40-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 | 1270 nm | 1330 nm | 1590 nm | 1430 nm | 1290 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 | 40 km | 80 km | 40 km |
| Supported Protocols | Ethernet | Ethernet / Fibre Channel | Ethernet | Ethernet | Ethernet |
| 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 |
| 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 | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Product Name | CWDM-SFP-1270-40-C | CWDM-SFP-1330-40-C | CWDM-SFP-1590-40-C | CWDM-SFP-1430-C | CWDM-SFP-1290-40-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
D
Dorian Vance
5
Reliable 1270nm CWDM performance. The 40km reach is stable and fits perfectly into our mux-demux setup. Great signal strength.
S
Sloane Whitaker
5
Flawless integration. These 1270nm modules have been running without error in our dense CWDM environment. High reliability.
C
Callum Thorne
4
Solid build and performance. Exceptional value for 40km CWDM links. The wavelength accuracy is spot on for our filters.
E
Elowen Frost
4
Seamless CWDM deployment. Recognized instantly by our Cisco switches. A very dependable solution for capacity expansion.
G
Gideon Sterling
5
Professional grade CWDM SFP. Consistent throughput and stable power levels over the full 40km range. Very satisfied.
M
Miriam Holloway
5
High-quality 1270nm optics. It outperformed our expectations for long-term stability in a high-density environment.
A
Alaric Pender
5
Great reliability. This module provides the steady performance needed for our CWDM backbone. Very impressed with the build.
Questions & Answers
What is the CWDM-SFP-1270-40-C module?
The CWDM-SFP-1270-40-C is a 1000Base-CWDM SFP transceiver operating at 1270 nm for 40 km links, fully compatible with Cisco SFP ports.
What is the maximum transmission distance of the CWDM-SFP-1270-40-C?
This SFP module supports single-mode fiber links up to 40 kilometers at 1310 nm wavelength with industry-standard attenuation budgets.
What data rate does the CWDM-SFP-1270-40-C support?
The transceiver supports a data rate of 1.25 Gbps, optimized for Gigabit Ethernet deployments.
What wavelength does the CWDM-SFP-1270-40-C use?
It operates at a central wavelength of 1270 nm, adhering to the CWDM channel plan for minimal channel interference.
Which connector type does the CWDM-SFP-1270-40-C use?
It uses an LC duplex connector, ensuring reliable fiber mating and low insertion loss.
Is the CWDM-SFP-1270-40-C compatible with Cisco devices?
Yes, the module is fully Cisco compatible, functioning natively on Cisco switches, routers, and optical platforms.
Can I hot-swap the CWDM-SFP-1270-40-C module?
Yes, the SFP housing supports hot-insertion and removal without powering down the host system.
What are the operating temperature specifications?
The module operates between 0 °C and 70 °C (commercial grade) and between –40 °C and 85 °C (industrial grade).
What is the power consumption of the CWDM-SFP-1270-40-C?
It consumes less than 1 W of power, meeting SFP MSA power envelope requirements.
Is the CWDM-SFP-1270-40-C MSA compliant?
Yes, it complies with the SFP Multi-Source Agreement (MSA) for mechanical, electrical, and optical specifications.
How do I install the CWDM-SFP-1270-40-C module?
Insert the module into the SFP port until the latch clicks, then connect the LC fiber patch cables to the TX/RX ports.
Does the CWDM-SFP-1270-40-C support digital diagnostics monitoring?
Yes, it includes DDM/DOM functionality for real-time monitoring of temperature, voltage, bias current, and optical power.
What warranty is offered for the CWDM-SFP-1270-40-C?
The product comes with a standard one-year warranty covering manufacturing defects and early failure replacements.
What are the typical applications for this CWDM SFP module?
It is ideal for metro, campus, and data center interconnects requiring cost-effective Gigabit CWDM transport.
Can the CWDM-SFP-1270-40-C be used in DWDM networks?
No, this module is designed for CWDM operation and is not compatible with DWDM channel spacing.
What is the return policy for the CWDM-SFP-1270-40-C?
Unused modules in original packaging can be returned within 30 days for a full refund, subject to vendor terms.