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Cisco

Cisco DWDM-SFP-3898 | 1000BASE-DWDM SFP | λ1538.98 nm (ITU CH38) | 80 km | LC duplex

SKU:DWDM-SFP-3898

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Description

High-precision DWDM SFP centered at 1538.98 nm for dense wavelength multiplexing in metro and long-reach links. Compatible with ITU-T G.694.1 (100 GHz grid) and supports 1000BASE‑DWDM Ethernet plus 2G Fibre Channel over single-mode fiber up to 80 km. Includes DOM for proactive link monitoring.

Features

- Accurate 1538.98 nm ITU CH38 tuning
- Long-reach 80 km operation on SMF
- DOM for real-time optical monitoring
- Supports 1G Ethernet and 2G Fibre Channel
- Compact, 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: Is channel 38 compatible with other DWDM optics?
A: Yes, when the far end is tuned to the same ITU Channel 38 wavelength and the system uses a matching MUX/DEMUX.

Q: What distance can be achieved?
A: Up to 80 km depending on fiber attenuation and overall link budget.

Q: Does it support 2G Fibre Channel?
A: Yes, it is interoperable with 2G FC optics where supported by the host port.

Q: What type of connector is used?
A: Duplex LC for single-mode fiber.

Technical Specifications

- Form factor: SFP (hot-swappable)
- Standard: 1000BASE-DWDM (GbE); interoperable with 2G Fibre Channel
- Wavelength: 1538.98 nm (ITU-T G.694.1, C-band, 100 GHz), Channel 38
- 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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