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Cisco

Cisco CFP-100G-ER4 | 100G CFP | 100GBASE-ER4 | 1310nm CWDM | SMF | 40km | Duplex LC

SKU:CFP-100G-ER4

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Description

Long-reach 100GBASE-ER4 CFP transceiver for metro and campus backbone links over single-mode fiber. Uses 4x25G CWDM wavelengths in the 1310nm window to achieve up to 40 km reach on G.652 SMF with a duplex LC interface. Ideal for DCI, aggregation, and WAN edge interconnects where extended reach and standards compliance are required.

Features

- Extended-reach 100G over SMF up to 40 km
- Standards-based 100GBASE-ER4 CWDM optics
- Duplex LC interface for straightforward patching
- Hot-swappable with digital diagnostics
- Suitable for DCI and backbone interconnects

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 ER4 module interoperable with ER4 in other form factors (e.g., CFP2, QSFP28 ER4-Lite)?
A: Interoperability is generally possible when optical specifications and link budgets align, but maximum distance and FEC requirements can vary by form factor and vendor. Verify with the peer optics’ specs.

Q: What fiber and connectors are needed?
A: Use OS2 single-mode fiber with duplex LC patching for point-to-point links up to 40 km (subject to optical budget).

Q: Is FEC required for 40 km?
A: Many deployments enable FEC to achieve the full 40 km reach and margin. Check your platform’s recommended settings.

Q: Does it support DOM?
A: Yes, it provides digital diagnostics for monitoring optical power and module health.

Technical Specifications

- Form factor: CFP
- Data rate: 100 Gbps aggregate
- Optical standard: 100GBASE-ER4 (IEEE 802.3ba)
- Wavelengths: 4x CWDM lanes around 1310 nm
- Fiber type: Single-mode (OS2/G.652)
- Reach: up to 40 km (link budget and FEC dependent)
- Connector: Duplex LC
- Hot-swappable with digital diagnostics (DOM/DDM)
- Applications: metro, DCI, campus core/backbone
- Note: FEC and dispersion considerations may be required at maximum reach depending on platform

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