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Cisco

Cisco DWDM-SFP-3739 | 1000BASE-DWDM SFP | λ1537.40 nm (ITU CH40) | 80 km | LC duplex

SKU:DWDM-SFP-3739

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Description

Pluggable DWDM SFP for 1G links, tuned to 1537.40 nm (ITU-T G.694.1, 100 GHz C-band). Supports 1000BASE‑DWDM Ethernet and is interoperable with 2G Fibre Channel optics over single-mode fiber up to 80 km, with digital diagnostics (DOM) for simplified monitoring. Ideal for dense channel deployments where precise wavelength control and long-reach performance are required.

Features

- Precise ITU 100 GHz DWDM wavelength control
- Long-reach 80 km performance over SMF
- DOM/DDM for proactive link monitoring
- Interoperable with 1G Ethernet and 2G Fibre Channel
- Low-power, hot-swappable SFP design

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Do I need matching channels on both ends?
A: Yes. DWDM links require the same ITU channel/wavelength on both ends of the fiber pair.

Q: What fiber type and connector does it use?
A: Single-mode fiber with duplex LC connectors.

Q: Is it suitable for 2G Fibre Channel?
A: Yes, it is interoperable with 2G FC optics for SAN links when the host port supports it.

Q: What distance can I expect?
A: Up to 80 km, subject to overall link budget, splices, and attenuation.

Q: Does it support digital diagnostics?
A: Yes, DOM/DDM provides real-time monitoring of temperature, TX/RX power, and voltage.

Technical Specifications

- Form factor: SFP (hot-swappable)
- Standard: 1000BASE-DWDM (GbE); interoperable with 2G Fibre Channel
- Wavelength: 1537.40 nm (ITU-T G.694.1, C-band, 100 GHz), Channel 40
- Data rate: up to 1.25 Gbps (GbE), 2.125 Gbps (FC)
- Optical reach: up to 80 km over single-mode fiber
- Fiber/cable: Single-mode (SMF, e.g., G.652)
- Connector: Duplex LC
- Tx laser: Cooled DWDM DFB
- Rx: APD/TIA receiver
- Digital diagnostics: DOM/DDM supported

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