• Silver-colored Arista SFP-10G-ERLBD-D 10G BiDi SFP+ transceiver modules with blue handles and metallic connectors
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Arista

Arista SFP-10G-ERLBD-D | 10G BiDi SFP+ Transceiver, Downlink, 30km, SMF, LC Simplex

Arista SFP-10G-ERLBD-D | 10G BiDi SFP+ Transceiver, Downlink, 30km, SMF, LC Simplex

SFP-10G-ERLBD-D

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Description

The Arista SFP-10G-ERLBD-D is a 10Gbps BiDi SFP+ transceiver engineered for single-fibre single-mode links spanning up to 30km — making it ideal for long-reach campus, metropolitan, and data centre interconnect deployments where conserving fibre strand count is critical. As the downlink variant, it transmits at 1330nm and receives at 1270nm over a single LC simplex connector, and must be paired with the complementary SFP-10G-ERLBD-U uplink module at the far end. Digital Diagnostic Monitoring (DDM/DOM) provides real-time visibility into optical performance, and the hot-swappable design minimises service disruption during maintenance.

Compliant with SFP+ MSA and IEEE 802.3ae standards, this transceiver is compatible with Arista EOS platforms running version 4.21.3 or later, integrating natively into Arista's switching and routing ecosystem. Note that appropriate optical attenuation is required on shorter spans to protect the receiver from saturation. Backed by a 1-Year Limited Hardware Warranty with optional Next Business Day advance replacement support. Need it fast? iptrading.com.au delivers across Australia — shop now.

Features

- BiDi single-fibre operation — halves fibre strand consumption per link, reducing infrastructure cost
- Downlink variant (BXD): Tx 1330nm / Rx 1270nm — must be paired with SFP-10G-ERLBD-U at far end
- Supports links up to 30km over single-mode fibre (G.652) via LC simplex connector
- Digital Diagnostic Monitoring (DDM/DOM) for real-time optic health and performance visibility
- Hot-swappable design for maximum uptime and simplified field servicing
- Compliant with SFP+ MSA and IEEE 802.3ae 10GbE standards
- Native Arista EOS support from version 4.21.3 and later across multiple platforms

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

- Data Rate: 10Gbps (10GBASE-ERLBD)
- Form Factor: SFP+
- Direction: Downlink (BXD)
- Tx Wavelength: 1330nm / Rx Wavelength: 1270nm
- Fiber Type: Single-Mode Fiber (SMF), G.652
- Maximum Reach: Up to 30km over single fiber
- Connector: LC Simplex
- Optical Tx Power: 0 to +5.0 dBm
- Optical Rx Power: 0 to -15 dBm
- Operating Temperature: 0°C to 70°C (commercial grade)
- Storage Temperature: -40°C to 70°C
- Relative Humidity: 5% to 95%
- Operating Altitude: 0–10,000 ft
- Physical Dimensions: 8.55 x 13.7 x 56.5mm
- Minimum EOS Version: 4.21.3

FAQs

Q: What is the difference between SFP-10G-ERLBD-D and SFP-10G-ERLBD-U?
A: These are complementary BiDi modules for a single-fibre link. The SFP-10G-ERLBD-D (downlink) transmits at 1330nm and receives at 1270nm. The SFP-10G-ERLBD-U (uplink) does the opposite — transmitting at 1270nm and receiving at 1330nm. They must always be deployed as a matched pair at opposite ends of the fibre span.

Q: Can this transceiver be used on links shorter than 30km?
A: Yes, but caution is required. On shorter spans the received optical power may exceed the receiver's tolerance, potentially causing damage or degraded performance. Appropriate inline optical attenuators should be used to bring the received power within the specified -15 dBm to 0 dBm range.

Q: Which Arista platforms and EOS versions support this transceiver?
A: The SFP-10G-ERLBD-D is supported on a wide range of Arista SFP+-capable switches and routers running EOS version 4.21.3 or later. Refer to Arista's transceiver compatibility matrix or EOS release notes for platform-specific confirmation.

Q: Does this module support Digital Diagnostic Monitoring (DDM)?
A: Yes. The SFP-10G-ERLBD-D supports DDM (also known as DOM — Digital Optical Monitoring), allowing network administrators to monitor real-time optic health metrics such as transmit power, receive power, temperature, and bias current directly through the Arista EOS management interface.

Q: Can I purchase this Arista transceiver in Australia from IP Trading?
A: Yes. IP Trading is an Australian B2B IT hardware reseller stocking Arista optics including the SFP-10G-ERLBD-D. Orders are delivered across Australia with fast dispatch. Contact the team at iptrading.com.au for pricing, volume orders, or compatibility queries.

Q: What warranty and support options are available for this transceiver?
A: The SFP-10G-ERLBD-D is covered by a 1-Year Limited Hardware Warranty covering parts, repair, or replacement within 10 business days. Optional Next Business Day and 4-Hour Advance Hardware Replacement support services are available for business-critical deployments.

Datasheet

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