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Cisco

Cisco DS-CWDM4G1550 | SFP | 1/2/4G Fibre Channel CWDM | 1550 nm | 80 km SMF | LC duplex

SKU:DS-CWDM4G1550

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Description

High‑density CWDM SFP for Fibre Channel networks operating at 1/2/4 Gbps on single‑mode fiber. The 1550 nm channel (yellow) combines long‑reach capability with DOM/DDM telemetry, enabling robust SAN extension and wavelength multiplexing over passive CWDM infrastructure.

Features

- Auto‑negotiating 1/2/4G FC for flexible SAN interconnects
- 1550 nm CWDM wavelength for long‑reach and low‑loss transport
- Up to 80 km distance on standard SMF
- Hot‑swappable SFP design
- Digital diagnostics for proactive link assurance
- LC duplex interface for easy integration

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: What rates are supported?
A: 1, 2, and 4 Gbps Fibre Channel.

Q: Is this suitable for single‑mode only?
A: Yes, it is designed for 9/125 µm SMF with LC connectors.

Q: How far can it reach?
A: Up to 80 km under appropriate optical budget conditions.

Q: Do I need a CWDM MUX/DEMUX?
A: Only if you plan to combine multiple wavelengths on the same fiber pair; point‑to‑point links do not require it.

Q: Does it support DOM/DDM?
A: Yes, for real‑time monitoring of optical parameters.

Q: What does the yellow color mean?
A: It identifies the 1550 nm CWDM channel.

Technical Specifications

- Form factor: SFP (hot-swappable)
- Data rate: 1/2/4 Gbps Fibre Channel (auto‑negotiation)
- Wavelength: 1550 nm CWDM (yellow, ITU‑T G.694.2 grid)
- Fiber type: Single‑mode (9/125 µm)
- Connector: LC duplex
- Maximum reach: up to 80 km (distance depends on link budget and CWDM MUX/patch losses)
- Optical technology: DFB laser, NRZ
- Digital diagnostics: DOM/DDM (SFF‑8472)
- Compliance: SFP MSA, IEC 60825‑1 Class 1 laser

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