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Arista

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

QSFP-40G-SRBD-R-Arista

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Description

This 40GBASE-BIDI QSFP+ transceiver is the receiver-only variant of the QSFP-40G-SRBD, built for 40GbE links over duplex multimode fibre. It suits data centre and campus networks, such as switch-to-switch or leaf-spine links, where existing duplex LC cabling can be reused instead of running parallel MPO-12 fibre.

It uses a duplex LC connector with 850 nm and 900 nm wavelengths and reaches up to 100m on OM3 or 150m on OM4 multimode fibre. Maximum power consumption is 3.5 W, drawn from the host switch port. The receiver-only designation separates this part from the standard QSFP-40G-SRBD bidirectional transceiver.

It interoperates with 40GBASE-BIDI (850/900nm) optics over duplex OM3 or OM4 multimode fibre with LC connectors and fits Arista switch QSFP+ ports. Platform support is listed in Arista's Transceiver and Cable Guide.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- 40GbE over duplex multimode fibre, reusing existing duplex LC cabling instead of parallel MPO-12 fibre
- Supports up to 100m on OM3 and 150m on OM4 duplex multimode fibre
- Hot-pluggable QSFP+ form factor
- Duplex LC connector with 850 nm and 900 nm wavelengths
- Low 3.5 W maximum power consumption
- Part of Arista's 40G QSFP+ optics range alongside SR4, XSR4, UNIV, LR4 and ER4 modules

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

- PHY type: 40GBASE-BIDI
- Form factor: QSFP+
- Variant: Receiver only
- Connector type: LC (duplex)
- Wavelength: 850 nm / 900 nm
- Cable type: OM3 / OM4 multimode fibre
- Core size: 50.0 um
- Modal bandwidth: 2000 MHzkm (OM3) / 4700 MHzkm (OM4)
- Tx power: -4 to +5 dBm per lane
- Rx power: -6 to +5 dBm per lane
- Max reach: 100 m (OM3) / 150 m (OM4)
- Power consumption: 3.5 W max
- Dimensions (H x W x D): 13.5 x 18.4 x 72.4 mm
- Operating case temperature: 0 to 70 C
- Storage temperature: -40 to 70 C
- Relative humidity: 5 to 95%
- Operating altitude: 0-10,000 ft

FAQs

Q: What does receiver only mean for this transceiver?
A: This is the receiver-only variant of the QSFP-40G-SRBD, and it is listed separately from the standard bidirectional transceiver in Arista's ordering information.

Q: What fibre does it need?
A: It runs over duplex multimode fibre with LC connectors, up to 100m on OM3 or 150m on OM4.

Q: Do I need parallel MPO fibre for this module?
A: No. It carries 40GbE over duplex LC multimode fibre, so existing duplex cabling can be reused.

Q: How much power does it draw?
A: Maximum power consumption is 3.5 W, supplied by the host switch port.

Q: Which ports does it fit?
A: It fits Arista switch QSFP+ ports. Check Arista's Transceiver and Cable Guide for platform support.

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