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SFP-1GE-LH-CWDM-1270-C
- Description:
- 1000Base-CWDM SFP 1270nm 80KM Juniper Compatible
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SFP-1GE-LH-CWDM-1270-C Overview
SFP-1GE-LH-CWDM-1270-C is a 1G SFP optical transceiver module engineered for long-range applications using CWDM technology. It features an LC connector and is designed for single-mode fiber, offering reliable performance in both enterprise networks and telecom infrastructures.
This compact transceiver supports 1 Gigabit Ethernet data rates in a standard SFP form factor with industry-accepted physical dimensions. It is optimized for long haul connectivity while maintaining low power consumption and robust operation within specified temperature ranges, making it ideal for data centers, metro networks, and other critical fiber deployments.
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SFP-1GE-LH-CWDM-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 | 40 km |
| Supported Protocols | Ethernet |
| Network Interface | Ethernet |
| Power Consumption | 1.2 W |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco / Juniper / Huawei / Arista |
| Product Name | SFP-1GE-LH-CWDM-1270-C |
| Height | 0.56 inches |
| Width | 1.03 inches |
| Depth | 0.54 inches |
| Weight | 0.20 lbs |
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 | N/A | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 1G | 1G | 1G | 1G | 1G |
| Depth | 0.54 inches | N/A | N/A | N/A | 0.33 inches |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Height | 0.56 inches | N/A | N/A | N/A | 0.53 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 40 km | N/A | 80 km | 80 km | 80 km |
| Network Interface | Ethernet | 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 |
| Power Consumption | 1.2 W | N/A | N/A | N/A | N/A |
| Product Name | SFP-1GE-LH-CWDM-1270-C | SFP-1GE-LH-CWDM-1390-C | SFP-1GE-LH-CWDM-1490-C | SFP-1GE-LH-CWDM-1530-C | SFP-1GE-LH-CWDM-1550-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 | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Transmission Distance | Long-Range | Long-Range | Long-Range | Long-Range | Long-Range |
| Wavelength | 1270 nm | 1390 nm | 1490 nm | 1530 nm | 1550 nm |
| Weight | 0.20 lbs | N/A | N/A | N/A | 0.04 lbs |
| Width | 1.03 inches | N/A | N/A | N/A | 2.23 inches |
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Questions & Answers
Q
What is the maximum transmission distance of the SFP-1GE-LH-CWDM-1270-C?
A
The SFP-1GE-LH-CWDM-1270-C supports single-mode fiber transmission up to 80 km at 1270 nm under standard conditions.
Q
Is the SFP-1GE-LH-CWDM-1270-C compatible with Juniper network devices?
A
Yes. This 1000Base-CWDM SFP module is fully tested and certified to operate seamlessly in Juniper routers and switches.
Q
Which fiber cable type is required for the CWDM SFP-1GE-LH-CWDM-1270-C?
A
This module requires ITU-T G.652 single-mode fiber with LC/UPC connectors for optimal performance.
Q
What is the operating wavelength of the SFP-1GE-LH-CWDM-1270-C?
A
The transceiver operates at a fixed CWDM wavelength of 1270 nm, optimized for low-cost metro and long-haul applications.
Q
What data rate does the SFP-1GE-LH-CWDM-1270-C support?
A
It supports 1000 Mbps (1 Gbps) full-duplex Ethernet per IEEE 802.3ah 1000Base-CWDM standards.
Q
Can I hot-swap the SFP-1GE-LH-CWDM-1270-C without powering down the device?
A
Yes. The module supports hot-plug functionality, allowing insertion or removal without disrupting system power.
Q
Does the SFP-1GE-LH-CWDM-1270-C include Digital Diagnostic Monitoring (DDM)?
A
Yes. It features DDM (per SFF-8472) for real-time monitoring of optical power, temperature, and supply voltage.
Q
What is the operating temperature range for this CWDM SFP module?
A
The module is specified to operate reliably between 0 °C to +70 °C (commercial range).
Q
How do I install the SFP-1GE-LH-CWDM-1270-C in my switch or router?
A
Power down or hot-swap the port, align the LC connector, insert the module until it clicks, then verify link status via CLI or LED.
Q
Is there a warranty or technical support included with the SFP-1GE-LH-CWDM-1270-C?
A
Yes. We offer a lifetime warranty and 24/7 technical support for all compatible CWDM SFP modules.
Q
What are the key optical specifications of the SFP-1GE-LH-CWDM-1270-C?
A
Transmit power: –4 to 0 dBm; receiver sensitivity: ≤ –24 dBm; optical budget: ≥ 20 dB for 80 km.
Q
Can I use the SFP-1GE-LH-CWDM-1270-C in a DWDM network?
A
No. This module is designed exclusively for CWDM applications and is not tunable for DWDM channels.
Q
What are the physical dimensions and form factor of this SFP module?
A
It conforms to the SFP MSA form factor: 13.4 mm × 56.5 mm × 8.5 mm, with an LC duplex connector.
Q
How should I clean and maintain the fiber connectors on this SFP?
A
Use ISO-compliant fiber-optic cleaning tools and lint-free wipes with isopropyl alcohol; always cap connectors when unused.
Q
Why choose Juniper-compatible SFP-1GE-LH-CWDM-1270-C over the OEM module?
A
Our module delivers identical performance, full Juniper interoperability, cost savings up to 70%, plus lifetime warranty and support.
