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DWDM-SFP-3739-120-C
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- 1000BASE-DWDM SFP 1537.39nm 120KM Cisco Compatible
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DWDM-SFP-3739-120-C Overview
DWDM-SFP-3739-120-C is a DWDM SFP transceiver module that supports a 1G data rate with an LC connector, delivering long-range performance over single-mode fiber. Designed with a compact SFP form factor and precise physical dimensions, this module ensures seamless integration into optical networks.
Optimized for Ethernet protocols, DWDM-SFP-3739-120-C is ideal for demanding environments such as data centers, enterprise networks, and telecom applications. Its DWDM capability and robust design provide reliable extended-distance connectivity and high-quality optical transmission where performance is critical.
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DWDM-SFP-3739-120-C Specifications
| Product Type | Transceiver |
| Form Factor | SFP |
| Data Rate | 1G |
| Connector Type | LC |
| Wavelength | 1550 nm |
| Transmission Distance | Long-Range |
| Fiber Type | Single-mode |
| Max Distance | 80 km |
| Supported Protocols | Ethernet |
| Network Interface | Fiber |
| Power Consumption | 3.6W |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco / Juniper / Huawei / Arista |
| Product Name | DWDM-SFP-3739-120-C |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
Quality Certifications
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Product Comparison Table
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| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Juniper | Cisco |
| Connector Type | QSFP | SC | LC | LC | LC |
| Data Rate | 4x10G | 1G | 1G | 1G | 10G |
| Depth | N/A | 1.75 inches | N/A | N/A | 1.78 inches |
| Fiber Type | Multi-mode | Single-mode | Single-mode | Multi-mode | Single-mode |
| Form Factor | QSFP | SFP | SFP | SFP | XFP |
| Height | N/A | 0.65 inches | N/A | N/A | 0.66 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 3 meters | 20 km | 80 km | 300 meters | 80 km |
| Network Interface | Ethernet | Fiber | Fiber | Ethernet | Ethernet |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | N/A | 2.5W | 3.6W | 1.25 W | 3.6 W |
| Product Name | QSFP-4X10G-AOC3M= | SFP-GE-BXU1-SC | DWDM-SFP-3739-120-C | QFX-SFP-1GE-SX-C | EX-XFP-10GE-ZR-1511-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 | Short-Range | Long-Range | Long-Range | Short-Range | Long-Range |
| Wavelength | 850 nm | 1310 nm / 1490 nm | 1550 nm | 850 nm | 1310 nm |
| Weight | N/A | 0.12 lbs | N/A | N/A | 0.09 lbs |
| Width | N/A | 0.90 inches | N/A | N/A | 1.02 inches |
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Questions & Answers
Q
What is the DWDM-SFP-3739-120-C module?
A
The DWDM-SFP-3739-120-C is a Cisco-compatible 1000BASE-DWDM SFP transceiver operating at 1537.39 nm for up to 120 km single-mode fiber links.
Q
Which applications are ideal for this 1000BASE-DWDM SFP?
A
This module is ideal for high-density DWDM networks, long-haul Ethernet links, metro ring backbones, and carrier-grade infrastructure.
Q
Is the DWDM-SFP-3739-120-C fully Cisco compatible?
A
Yes, it meets Cisco MSA specifications and interoperates seamlessly with Cisco routers and switches that support 1000BASE-DWDM SFPs.
Q
What wavelength does the 3739 unit use?
A
It operates at a fixed DWDM wavelength of 1537.39 nm, aligned to ITU-T grid channel 39.
Q
How far can this SFP transceiver transmit data?
A
It reliably supports single-mode fiber spans up to 120 km without signal regeneration.
Q
What type of fiber cable is required?
A
Single-mode fiber (SMF) with an LC duplex connector is recommended for optimal performance.
Q
What data rate does this SFP module support?
A
The transceiver supports a data rate of 1.25 Gbps, compatible with Gigabit Ethernet.
Q
Which connector interface does the module use?
A
It uses a standard LC duplex connector for plug-and-play insertion into SFP slots.
Q
What is the module’s operating temperature range?
A
It operates reliably from –5 °C to 70 °C (commercial temperature range).
Q
Does this SFP support hot-swapping?
A
Yes, it fully supports SFP hot-swap without disrupting the link or requiring a system reboot.
Q
What is the typical transmitter output power?
A
The module delivers a median output power of between 0 and +4 dBm for robust signal levels.
Q
What is the receiver sensitivity of the DWDM-SFP-3739-120-C?
A
The receiver sensitivity is typically –24 dBm, ensuring low bit-error-rate reception over long distances.
Q
Does the module provide Digital Diagnostics Monitoring (DDM)?
A
Yes, it supports DDM (DDMI) for real-time monitoring of optical power, temperature, and voltage.
Q
How do I install the DWDM SFP module?
A
Simply plug the LC duplex connector into the SFP port, secure it by pressing until it clicks, then configure your switch for 1000BASE-DWDM.
Q
How can I verify compatibility with my network switch?
A
Check your switch’s hardware compatibility list for Cisco-MSA SFP support or test with a single port before full deployment.
Q
What is the module’s power consumption?
A
Power consumption is under 1 W, making it energy-efficient for large-scale deployments.
Q
Is there a warranty or technical support available?
A
Yes, the module includes a one-year warranty and free lifetime technical support from the vendor.
