• Cisco QDD-2X100-SR4-S gold silver QSFP-DD transceiver module
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Cisco

Cisco QDD-2X100-SR4-S | 2x100G breakout | QSFP-DD | 100GBASE-SR4 x2 | 850 nm | up to 100 m OM4 | MTP/MPO‑24

QDD-2X100-SR4-S

Stock Status: Enquire

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Description

High‑density QSFP‑DD 200G breakout transceiver providing two independent 100GBASE‑SR4 links over multimode fiber. Delivers up to 100 m on OM4 (70 m on OM3) per leg. Uses a single MTP/MPO‑24 interface carrying both SR4 channels for simplified cabling. Requires switch/router support for 2x100G breakout mode.

Features

- Two 100G SR4 links from one QSFP-DD slot
- Short-reach multimode for cost-effective intra‑datacenter links
- Single MPO‑24 simplifies cabling for dual SR4 channels
- Standards-based SR4 interoperability
- Enables high port density and flexible fan‑out topologies

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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Technical Specifications

FAQs

Technical Specifications

- Form factor: QSFP-DD (200G host)
- Breakout mode: 2x 100G
- Optical standard (each 100G): IEEE 100GBASE-SR4
- Wavelength: 850 nm (MMF)
- Reach: up to 100 m on OM4; up to 70 m on OM3
- Front connector: MTP/MPO-24
- Host interface: 8x 25G electrical lanes
- Fiber count: 16 active fibers (two SR4 channels), presented via MPO-24
- Digital diagnostics (DOM/DDM): supported
- Management: CMIS compliant
- Operating temperature: 0 to 70 °C
- Platform requirement: QSFP-DD port with 2x100G breakout support

FAQs

Q: What fiber type and connector do I need?
A: OM3/OM4 multimode fiber with an MTP/MPO-24 trunk. Each 100G SR4 leg uses 8 fibers and is carried within the single MPO-24 interface.

Q: What is the maximum reach?
A: Up to 100 m on OM4 and up to 70 m on OM3 per 100G leg.

Q: Does my device need to support breakout?
A: Yes. Enable 2x100G breakout on the QSFP-DD port.

Q: Can each leg link to a standard 100G SR4 transceiver?
A: Yes. Each breakout channel interoperates with a standard 100GBASE-SR4 optic.

Q: Is DOM supported?
A: Yes, digital diagnostics are available for monitoring.

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