• Silver-colored arista qsfp 40g srbd r transceiver modules with blue handles and metallic connectors for 150m om4 fiber
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Arista

Arista QSFP-40G-SRBD-R | 40G QSFP+ BiDi Receiver-Only Transceiver, LC, 150m OM4

Arista QSFP-40G-SRBD-R | 40G QSFP+ BiDi Receiver-Only Transceiver, LC, 150m OM4

QSFP-40G-SRBD-R

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Description

The Arista QSFP-40G-SRBD-R is a 40GBASE-BIDI receiver-only QSFP+ transceiver module engineered for bidirectional 40 Gigabit Ethernet over duplex multimode fibre. Using a single LC duplex connection, it supports link distances of up to 100m over OM3 or 150m over OM4 MMF — making it ideal for data centre and enterprise deployments that need to leverage existing duplex MMF cabling infrastructure without re-cabling. The receiver-only (-R) designation makes this module purpose-built for asymmetric or unidirectional deployment scenarios where only the receive path is required.

Operating across wavelengths of 832nm to 918nm with two 10.3125 Gbps channels (64b/66b encoded), the QSFP-40G-SRBD-R complies with QSFP+ MSA SFF-8436 and IEEE 802.3ba standards. It supports Digital Diagnostic Monitoring (DDM/DOM) for real-time link visibility, is hot-swappable, and is RoHS compliant. Compatible with third-party 40G BiDi transceivers over OM3/OM4 duplex MMF. Get it now at iptrading.com.au — authentic hardware, reliable service.

Features

- Bidirectional (BiDi) design carries both Tx and Rx over a single duplex fibre strand — eliminating the need for parallel fibre cabling
- Receiver-only (-R) variant for asymmetric or unidirectional link deployments
- Supports existing duplex LC multimode fibre infrastructure (OM3/OM4)
- Interoperable with third-party 40G BIDI transceivers over OM3/OM4 duplex MMF
- Real-time Digital Diagnostic Monitoring (DDM/DOM) for proactive link management
- Hot-swappable QSFP+ form factor for zero-downtime installation
- Compliant with QSFP+ MSA SFF-8436 and IEEE 802.3ba (XLPPI) standards
- RoHS compliant and lead-free construction

Warranty

Arista hardware products come with a 1-year limited hardware warranty, covering defects in materials and workmanship under normal use.
Extended Warranty Options:
IP Trading offers tailored extended warranty solutions and support packages for Arista products. Contact our team to explore options that align with your organisation's needs.
https://www.arista.com/assets/data/pdf/Warranty.pdf

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Datasheet

Technical Specifications

- Form Factor: QSFP+
- Aggregate Data Rate: 40 Gbps (2 x 20 Gbps full duplex)
- Protocol: 40GBASE-BIDI (BiDi)
- Per-Channel Data Rate: 10.3125 Gbps with 64b/66b encoding
- Connector: LC Duplex
- Fiber Type: Duplex Multimode Fiber (MMF)
- Max Distance: 100m over OM3 MMF
- Max Distance: 150m over OM4 MMF
- Wavelength (Tx): Ch1 850nm / Ch2 900nm
- Wavelength (Rx): Ch1 900nm / Ch2 850nm
- Wavelength Range: 832nm – 918nm
- Supply Voltage: +3.3V
- Variant: Receiver Only (-R suffix)
- Operating Temperature: 0°C to 70°C (Commercial)
- Standards Compliance: QSFP+ MSA SFF-8436, IEEE 802.3ba (XLPPI)
- RoHS Compliant: Yes (Lead-free)

FAQs

Q: What does the '-R' suffix mean on the QSFP-40G-SRBD-R?
A: The '-R' suffix indicates this is a receiver-only variant of the 40GBASE-BIDI QSFP+ transceiver. It is designed for asymmetric or unidirectional deployments where only the receive path is needed at one end of the link — typically paired with a standard transmitter module at the far end.

Q: What fibre and cabling infrastructure does this transceiver support?
A: The QSFP-40G-SRBD-R operates over standard duplex multimode fibre (MMF) with LC duplex connectors, supporting up to 100m over OM3 and up to 150m over OM4. This makes it ideal for reusing existing duplex MMF infrastructure rather than deploying new parallel-fibre cabling.

Q: Is the QSFP-40G-SRBD-R compatible with third-party switches and transceivers?
A: Yes. This transceiver complies with the QSFP+ MSA SFF-8436 and IEEE 802.3ba standards, and it is designed to interoperate with third-party 40G BiDi transceivers over OM3/OM4 duplex MMF. Always verify compatibility with your specific switch platform before deployment.

Q: Does this module support Digital Diagnostic Monitoring (DDM)?
A: Yes. The QSFP-40G-SRBD-R includes real-time Digital Diagnostic Monitoring (DDM/DOM), allowing network administrators to monitor key optical parameters such as temperature, voltage, TX power, and RX power directly from the switch management interface.

Q: Can I purchase the Arista QSFP-40G-SRBD-R in Australia from IP Trading?
A: Yes. IP Trading (iptrading.com.au) is an Australian B2B IT hardware reseller stocking authentic Arista optics including the QSFP-40G-SRBD-R. Contact us for pricing, availability, and volume purchasing options.

Q: What is the operating temperature range for this transceiver?
A: The QSFP-40G-SRBD-R is rated for commercial operating temperatures of 0°C to 70°C, suitable for standard data centre and enterprise wiring closet environments.

Datasheet

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