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Cisco

Cisco DS-CWDM-1550 | Optics: 1GbE/2G FC, SFP, CWDM ITU-T G.694.2, 1550nm, 80km SMF, LC duplex

SKU:DS-CWDM-1550

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Description

High-reach CWDM SFP module for 1 Gigabit Ethernet and 2 Gbps Fibre Channel at the 1550 nm CWDM wavelength. Features LC duplex interface, hot-swappable SFP MSA form factor, and digital diagnostics (DDM/DOM). Ideal for single-mode metro and campus backhaul or use with CWDM mux/demux systems. Reach up to 80 km varies with fiber loss and system design.

Features

- 1550 nm CWDM channel for long-haul single-mode links
- Supports 1GbE and 2G Fibre Channel applications
- Up to 80 km reach with appropriate link budget
- Hot-swappable SFP form factor with LC duplex
- DOM/DDM monitoring improves operational visibility
- Standards-based CWDM for scalable fiber utilization

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: Can this 1550 nm CWDM SFP interoperate with another vendor’s CWDM optics?
A: Yes, interoperability is common when both sides support the same wavelength, data rate, and optical budget, and adhere to MSA and CWDM standards.

Q: What distance can I expect?
A: Up to 80 km under typical link budgets; verify actual span loss and consider dispersion and connector/splice counts.

Q: Is DOM supported?
A: Yes, it supports SFF-8472 DOM for monitoring transmit/receive power, temperature, and voltage.

Q: Is a CWDM OADM supported?
A: Yes, it can be used with CWDM OADM or Mux/Demux filters that include the 1550 nm channel.

Q: Is this module single-fiber?
A: No, it requires two fibers and uses LC duplex connectors.

Q: Does it work in standard 1G SFP ports?
A: Yes, on platforms that accept CWDM SFPs for 1GbE.

Technical Specifications

- Form factor: SFP (hot-swappable, MSA-compliant)
- Data rates: 1GbE (1.25 Gbps), 2 Gbps Fibre Channel
- Wavelength: 1550 nm CWDM channel
- Optical grid: ITU-T G.694.2 CWDM
- Connector: LC duplex
- Fiber type: Single-Mode Fiber (9/125 µm)
- Reach: up to 80 km (distance dependent on link budget)
- DDM/DOM: Supported (SFF-8472)
- Duplex mode: Full-duplex, dual-fiber
- Use case: Point-to-point or with CWDM Mux/Demux

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