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Cisco

Cisco SFP-CWDM-1550-70 | Optics: 1G SFP, 1000BASE-ZX, 1550 nm CWDM, 70 km SMF, LC duplex

SKU:SFP-CWDM-1550-70

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Description

High-distance 1G CWDM SFP for single-mode fiber links. Uses the fixed 1550 nm ITU-T CWDM channel, LC duplex interface, and supports up to 70 km reach (ZX). Hot-swappable with DOM/DDM for live diagnostics and fully MSA-compliant for broad interoperability across platforms and CWDM MUX/DEMUX systems.

Features

- 1G CWDM optic with fixed 1550 nm wavelength
- Extended 70 km reach for long-haul and metro applications
- LC duplex interface on SMF
- DOM/DDM for link performance visibility
- MSA-compliant SFP for multi-vendor compatibility
- Hot-swappable for simplified operations

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 fiber type and connector does it use?
A: 9/125 um single-mode fiber with LC duplex connectors.

Q: Is this suitable for passive CWDM MUX/DEMUX?
A: Yes. It uses the 1550 nm CWDM channel and is ideal for passive CWDM systems.

Q: Does it provide digital diagnostics?
A: Yes. DOM/DDM is supported for real-time monitoring.

Q: Can I mix this with other CWDM wavelengths on the same fiber?
A: Yes, when used with a CWDM MUX/DEMUX. Each service must use a unique CWDM wavelength.

Q: What is the maximum reach?
A: Up to 70 km, subject to optical budget and fiber condition.

Technical Specifications

- Data rate: 1 Gbps (Gigabit Ethernet, 1.25 Gbps line rate)
- Form factor: SFP (MSA-compliant)
- Wavelength: 1550 nm CWDM (ITU-T G.694.2 grid)
- Optical reach: up to 70 km over 9/125 um SMF
- Optical interface: LC duplex
- Fiber type: Single-Mode Fiber (SMF)
- Digital diagnostics: DOM/DDM supported
- Hot-swappable: Yes
- Base standard: 1000BASE-ZX (IEEE 802.3z compatible)
- Operating temperature: 0°C to 70°C (commercial)
- Compliance: RoHS, Class 1 laser

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