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Cisco

Cisco DS-CWDM-1570 | Optics: 1GbE/2G FC, SFP, CWDM ITU-T G.694.2, 1570nm, 80km SMF, LC duplex

SKU:DS-CWDM-1570

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Description

CWDM SFP transceiver for 1 GbE and 2 Gbps Fibre Channel operating on the 1570 nm wavelength. LC duplex, SFP MSA form factor with DDM/DOM for in-service monitoring. Suited for long-distance single-mode links and scalable CWDM multiplexed networks. Achievable reach up to 80 km depends on overall link budget and fiber quality.

Features

- 1570 nm CWDM channel for scalable multi-wavelength networks
- Up to 80 km reach over SMF with appropriate link budget
- Dual-protocol support: 1GbE and 2G Fibre Channel
- Hot-swappable SFP with LC duplex interface
- Digital diagnostics for proactive monitoring and troubleshooting
- Standards-based CWDM compliance (ITU-T G.694.2)

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: Will this 1570 nm optic work with an existing CWDM system?
A: Yes, if the CWDM Mux/Demux includes the 1570 nm channel and the far-end optic matches the same wavelength and data rate.

Q: Is it suitable for both Ethernet and Fibre Channel?
A: Yes, it supports 1GbE and 2G FC on compatible platforms.

Q: What connector do I need?
A: LC duplex connectors on 9/125 µm single-mode fiber.

Q: Does it support DOM/DDM?
A: Yes, SFF-8472 digital diagnostics are supported.

Q: Do I need an attenuator for short runs?
A: On very short, low-loss links, an attenuator may be needed to prevent receiver overload; verify with DOM readings.

Technical Specifications

- Form factor: SFP (hot-swappable, MSA-compliant)
- Data rates: 1GbE (1.25 Gbps), 2 Gbps Fibre Channel
- Wavelength: 1570 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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