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CWDM-SFP-1270-C
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1000Base-CWDM SFP 1270nm GE 80KM Cisco Compatible
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Name:
CWDM-SFP-1270-C
- Description:
- 1000Base-CWDM SFP 1270nm GE 80KM Cisco Compatible
- Rating:
Added to cart 28 times recently
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2 In stock - Ready to Ship
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- 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-C Overview
CWDM-SFP-1270-C is a high-performance SFP optical transceiver engineered for CWDM applications, delivering a 1G data rate over single-mode fiber using an LC connector. It operates at a dedicated wavelength of 1270 nm, ensuring robust long-range transmission for critical network environments including data centers, enterprise networks, and telecom systems.
Designed to support both Ethernet and Fibre Channel protocols, this transceiver module provides reliable connectivity and extended reach—up to 80 km—without compromising performance. Its compact SFP form factor and industry-standard physical dimensions make it seamlessly compatible with leading platforms such as Cisco, Juniper, Huawei, and Arista, making network upgrades and expansion straightforward and efficient.
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CWDM-SFP-1270-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
- 80 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-1270-C
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Product Comparison Table 
| CWDM-SFP-1270-C |  CWDM-SFP-1570-40-C |  CWDM-SFP-1530-120-C |  CWDM-SFP-1530-40-C |  CWDM-SFP-1450-40-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 | 1570 nm | 1530 nm | 1530 nm | 1450 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 | 40 km | 120 km | 40 km | 40 km |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet | Ethernet, Fibre Channel |
| 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 |
| Product Name | CWDM-SFP-1270-C | CWDM-SFP-1570-40-C | CWDM-SFP-1530-120-C | CWDM-SFP-1530-40-C | CWDM-SFP-1450-40-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
J
Julianne Holt
5
Incredible 80km reach on a single CWDM channel. The 1270nm signal is stable and robust. Perfect for long-haul transport.
R
Reginald Pike
5
Reliable 80km performance. This 1270nm module solved our distance challenges between regional hubs. Exceptional signal integrity.
S
Seraphina Joy
4
Solid long-range connectivity. The 1270nm wavelength remains precise even at 80km. A very dependable solution for ISPs.
B
Bartholomew V
5
Exceptional value for 80km CWDM. Wavelength accuracy is vital at this range, and this module delivers flawlessly.
I
Imogen Grey
5
Consistent and stable 80km link. Fully Cisco compatible and provides impressive link budget headroom. Highly recommended.
A
Arthur Penhal
5
Great long-haul performance. These 1270nm transceivers are a dependable way to bridge massive distances reliably.
L
Lucinda Thorne
5
High-quality 80km optics. Recognized instantly by our switches and providing a rock-solid regional link. Very satisfied.
Questions & Answers
What is the CWDM-SFP-1270-C transceiver module?
The CWDM-SFP-1270-C is a Cisco-compatible 1000Base-CWDM SFP transceiver operating at 1270 nm, designed for up to 80 km single-mode fiber links.
Which interfaces and standards does CWDM-SFP-1270-C support?
It supports the IEEE 802.3z 1000Base-LX standard and SFP MSA interface, ensuring compatibility with Cisco and other major switch and router platforms.
What is the maximum transmission distance of CWDM-SFP-1270-C?
This module can transmit data over single-mode fiber up to 80 km when used with an appropriate optical path and dispersion-optimized fiber.
At what wavelength does the CWDM-SFP-1270-C operate?
It operates at a central wavelength of 1270 nm, compliant with the CWDM grid for minimized channel interference.
What data rate does the CWDM-SFP-1270-C support?
The transceiver supports a line rate of 1.25 Gbps for Gigabit Ethernet applications.
Is the CWDM-SFP-1270-C hot-pluggable?
Yes, the SFP form factor allows hot-swapping without powering down the host device, simplifying maintenance and upgrades.
Which fiber type is required for this transceiver?
It requires single-mode fiber (SMF) with an ITU-T G.652 or G.655 specification for optimal performance.
Does the CWDM-SFP-1270-C support digital diagnostics (DDM/DOM)?
Yes, it features digital diagnostics monitoring (DDM) for real-time access to optical power, temperature, and voltage metrics.
What operating temperature range is supported?
The module operates reliably between 0 °C and 70 °C (32 °F to 158 °F) in standard commercial environments.
What power budget does this CWDM SFP offer?
It provides a typical optical power budget of 12 dB, ensuring stable transmission up to 80 km.
How do I install the CWDM-SFP-1270-C in my switch or router?
Insert the module into an SFP port until it clicks; then connect the LC-LC single-mode fiber patch cable to the TX/RX ports following polarity guidelines.
Is the CWDM-SFP-1270-C compatible with DWDM networks?
No, this module is designed for coarse WDM (CWDM) and is not pin-compatible with DWDM wavelengths.
Which safety compliance does the transceiver meet?
It meets IEC 60825-1 Class 1 laser safety standards, ensuring eye-safe operation under all conditions.
How do I troubleshoot link issues with this SFP?
Verify fiber polarity, inspect connectors for damage, check diagnostic readings via DDM, and confirm host device port settings.
What is the warranty for the CWDM-SFP-1270-C?
It comes with a one-year advance replacement warranty and lifetime technical support from the vendor.
Can I mix this CWDM SFP with other vendors’ modules?
Yes, as long as the devices support SFP MSA compliance and CWDM channel spacing, cross-vendor operation is fully supported.