Arista

Arista QSFP-40G-SRBD | 40G QSFP+ | 40GBASE-BIDI | 850/910nm | 100m OM3 / 150m OM4 | LC duplex

SKU:QSFP-40G-SRBD

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Description

40GBASE-BiDi QSFP+ transceiver enabling 40G over existing duplex MMF with standard LC connectors. Delivers up to 100 m on OM3 or 150 m on OM4 by using two wavelengths over a single duplex pair—ideal for cost-effective 10G-to-40G upgrades without MPO cabling.

Features

- 40G over existing LC duplex MMF—no MPO required
- Cost-effective upgrade path from 10G to 40G
- Extended distances on OM3/OM4
- Hot-swappable, low-power QSFP+ form factor
- Simplifies cabling and reduces patch-panel changes

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: Can I reuse my existing LC duplex MMF infrastructure?
A: Yes. BiDi enables 40G over a single duplex MMF pair with LC connectors, avoiding MPO cabling.

Q: Does BiDi support 4x10G breakout?
A: No. BiDi uses bidirectional signaling over a single duplex pair and cannot be broken out into four 10G channels.

Q: Is it interoperable with SR4 modules?
A: No. BiDi requires BiDi optics at both ends of the link.

Q: What fiber grades are supported and to what distances?
A: Up to 100m on OM3 and 150m on OM4 multimode fiber.

Q: Any special cabling polarity requirements?
A: No special polarity beyond standard LC A-to-B duplex patching.

Technical Specifications

- Data rate: 40GbE
- Form factor: QSFP+
- Optical standard: 40GBASE-BiDi (bidirectional)
- Wavelengths: 850/910nm (bi-directional over duplex MMF)
- Reach: up to 100m on OM3, up to 150m on OM4
- Connector interface: LC duplex
- Fiber type: Duplex multimode (OM3/OM4)
- Breakout support: Not supported (no 4x10G breakout)
- Digital diagnostics (DDM/DOM): Supported
- Hot-swappable: Yes
- Standards: IEEE 802.3ba (vendor BiDi implementation), QSFP+ MSA
- Operating temperature: 0°C to 70°C
- Power: Low-power QSFP+ design

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