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Cisco

Cisco QSFP-100G-CWDM4-S | 100G QSFP28 | 100GBASE-CWDM4 | SMF 2 km | Duplex LC | 1271–1331 nm

SKU:QSFP-100G-CWDM4-S

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Description

QSFP28 CWDM4 transceiver enabling 100G Ethernet over single-mode fiber up to 2 km. Utilizes four CWDM wavelengths with duplex LC connectivity for efficient aggregation and campus links.

Features

- 2 km 100G reach over single-mode fiber
- Duplex LC connectivity for simple cabling
- Low power, high-density QSFP28 form factor
- Interoperable CWDM4 MSA 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 this module suitable for outdoor runs?
A: It supports up to 2 km over SMF; ensure fiber plant and enclosures are rated for the environment. The transceiver itself is standard temperature (0–70 °C).

Q: Can it link with another vendor’s CWDM4 QSFP28?
A: Yes, it is CWDM4 MSA-compliant for multivendor interoperability.

Q: Do I need special fiber patch cords?
A: Use OS2 single-mode duplex LC patch cords for optimal performance.

Technical Specifications

- Data rate: 100 Gb/s Ethernet
- Form factor: QSFP28
- Optical standard: 100GBASE-CWDM4 (MSA)
- Fiber type: Single-Mode Fiber (SMF), OS2 recommended
- Connector: Duplex LC
- Wavelengths: 1271, 1291, 1311, 1331 nm
- Maximum reach: up to 2 km
- Operating temperature: 0 to +70 °C (standard temp)
- Digital diagnostics (DDM/DOM): Supported per SFF-8636
- Lane architecture: 4×25G optics, 4-lane electrical
- Use cases: aggregation uplink, campus backbone, inter-building links

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