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Cisco

Cisco DWDM-SFP10G-31.90 | 10G SFP+, DWDM, ITU-T 100GHz, 1531.90 nm, up to 80 km, LC

SKU:DWDM-SFP10G-31.90

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Description

Fixed-wavelength C-band DWDM SFP+ for 10G Ethernet links over single-mode fiber. Operates on the ITU-T 100 GHz grid with LC duplex connectivity and supports digital diagnostics for simplified operations. Designed for use with DWDM mux/demux in metro and long-haul aggregation (distance dependent on optical budget).

Features

- 1531.90 nm fixed DWDM channel for dense multiplexing
- Long-distance 10G transport over SMF (up to 80 km)
- LC duplex interface for easy deployment
- EML/APD optics ensure stable performance
- DDM/DOM for proactive link monitoring
- Works with standard 100 GHz DWDM systems

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: Is this a tunable DWDM SFP+?
A: No, it is a fixed-wavelength module at 1531.90 nm.

Q: Which fiber and connector does it require?
A: Single-mode fiber (9/125 µm) with LC duplex connectors.

Q: What distance can it achieve?
A: Up to 80 km depending on optics budget, dispersion, and amplification.

Q: Does it support DOM/DDM monitoring?
A: Yes, for real-time optical and temperature metrics.

Q: Is the module hot-swappable?
A: Yes.

Q: Can I mix it with other DWDM channels?
A: Yes, when used with compatible DWDM mux/demux on the 100 GHz grid.

Technical Specifications

- Data rate: 10 GbE
- Form factor: SFP+
- Wavelength: 1531.90 nm (C-band, ITU-T G.694.1 100 GHz grid)
- Optical reach: up to 80 km over SMF (link budget dependent)
- Connector: LC duplex
- Fiber type: Single-mode (9/125 µm)
- Transmitter: EML DWDM
- Receiver: APD
- Digital diagnostics (DDM/DOM): Supported
- Hot-swappable: Yes
- Standards: IEEE 802.3ae; ITU-T G.694.1 DWDM grid
- Operating temperature: 0–70°C (commercial)
- Compatibility: SFP+ ports supporting 10G DWDM optics

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