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Cisco

Cisco QSFP-40G-ER4 | 40G QSFP+ | 40GBASE-ER4 | 1310 nm LAN-WDM | 40 km SMF | LC duplex

SKU:QSFP-40G-ER4

Stock Status: Enquire

Regular price $48,092.00 AUD
Regular price
$48,092.00 AUD
$48,092.00 AUD
Regular price
Sale Sold out
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Description

Long-haul QSFP+ providing 40GbE over single-mode fiber. Uses LAN-WDM wavelengths on duplex LC to reach metropolitan distances up to 40 km with appropriate link budget.

Features

- Metro-distance 40GbE with 40 km optical budget
- Duplex LC interface for straightforward SMF runs
- LAN-WDM wavelengths for robust long-reach performance
- Hot-pluggable QSFP+ with DOM/DDM monitoring
- Standards-based 40GBASE-ER4 interoperability

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 interoperate with 40GBASE-LR4 optics?
A: No. ER4 and LR4 have different optical budgets; match ER4 to ER4 for 40 km links.

Q: Does it require MPO cabling?
A: No. ER4 uses a duplex LC interface on single-mode fiber.

Q: Can I break this out to 4x10G?
A: No. ER4 is a duplex LC solution and does not support 4x10G breakout.

Q: What fiber type is recommended?
A: Low-loss OS2 single-mode fiber with appropriate patching and cleanliness controls.

Technical Specifications

- Speed: 40 GbE
- Form factor: QSFP+
- Optical standard: 40GBASE-ER4
- Wavelength: 1310 nm (LAN-WDM)
- Fiber type: SMF (G.652/OS2)
- Reach: up to 40 km (link-budget dependent)
- Connector: LC duplex
- Hot-swappable: Yes
- Digital diagnostics (DOM/DDM): Supported

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