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CWDM-SFP-1270-C
- Description:
- 1000Base-CWDM SFP 1270nm GE 80KM Cisco Compatible
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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 |
| 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 |
| Power Consumption | N/A |
| 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 |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | N/A | 40G | 1G | 1G | 100G |
| Depth | 1.50 inches | N/A | N/A | N/A | N/A |
| Fiber Type | Single-mode | Multi-mode | Single-mode | Single-mode | Multi-mode |
| Form Factor | SFP | QSFP | SFP | SFP | QSFP |
| Height | 0.65 inches | N/A | N/A | N/A | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 40 km | 100 meters | 40 km | 80 km | 150 m |
| Network Interface | Fiber | Ethernet | Fiber | Fiber | Ethernet |
| Operating Temperature | -40 to 85°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 1.8W | 3.5W | N/A | N/A | N/A |
| Product Name | SFP-OC3-LR2 | CR5S40BS8700 | CWDM-SFP-1490-40-C | CWDM-SFP-1270-C | JNP-QSFP-100G-PSM4-C |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | SONET | Ethernet | Ethernet, Fibre Channel | Ethernet, Fibre Channel | Ethernet |
| Transmission Distance | Long-Range | Short-Range | Long-Range | Long-Range | Short-Range |
| Wavelength | 1310 nm | 850nm | 1490 nm | 1270 nm | 1310 nm |
| Weight | 0.2 lbs | N/A | N/A | N/A | N/A |
| Width | 0.55 inches | N/A | N/A | N/A | N/A |
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Questions & Answers
Q
What is the CWDM-SFP-1270-C transceiver module?
A
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.
Q
Which interfaces and standards does CWDM-SFP-1270-C support?
A
It supports the IEEE 802.3z 1000Base-LX standard and SFP MSA interface, ensuring compatibility with Cisco and other major switch and router platforms.
Q
What is the maximum transmission distance of CWDM-SFP-1270-C?
A
This module can transmit data over single-mode fiber up to 80 km when used with an appropriate optical path and dispersion-optimized fiber.
Q
At what wavelength does the CWDM-SFP-1270-C operate?
A
It operates at a central wavelength of 1270 nm, compliant with the CWDM grid for minimized channel interference.
Q
What data rate does the CWDM-SFP-1270-C support?
A
The transceiver supports a line rate of 1.25 Gbps for Gigabit Ethernet applications.
Q
Is the CWDM-SFP-1270-C hot-pluggable?
A
Yes, the SFP form factor allows hot-swapping without powering down the host device, simplifying maintenance and upgrades.
Q
Which fiber type is required for this transceiver?
A
It requires single-mode fiber (SMF) with an ITU-T G.652 or G.655 specification for optimal performance.
Q
Does the CWDM-SFP-1270-C support digital diagnostics (DDM/DOM)?
A
Yes, it features digital diagnostics monitoring (DDM) for real-time access to optical power, temperature, and voltage metrics.
Q
What operating temperature range is supported?
A
The module operates reliably between 0 °C and 70 °C (32 °F to 158 °F) in standard commercial environments.
Q
What power budget does this CWDM SFP offer?
A
It provides a typical optical power budget of 12 dB, ensuring stable transmission up to 80 km.
Q
How do I install the CWDM-SFP-1270-C in my switch or router?
A
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.
Q
Is the CWDM-SFP-1270-C compatible with DWDM networks?
A
No, this module is designed for coarse WDM (CWDM) and is not pin-compatible with DWDM wavelengths.
Q
Which safety compliance does the transceiver meet?
A
It meets IEC 60825-1 Class 1 laser safety standards, ensuring eye-safe operation under all conditions.
Q
How do I troubleshoot link issues with this SFP?
A
Verify fiber polarity, inspect connectors for damage, check diagnostic readings via DDM, and confirm host device port settings.
Q
What is the warranty for the CWDM-SFP-1270-C?
A
It comes with a one-year advance replacement warranty and lifetime technical support from the vendor.
Q
Can I mix this CWDM SFP with other vendors’ modules?
A
Yes, as long as the devices support SFP MSA compliance and CWDM channel spacing, cross-vendor operation is fully supported.
