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Arista

Arista SFP-10G-ERBD-D-Arista | 10G SFP+ BiDi Transceiver, 40km SMF, Downlink 1330nm

SFP-10G-ERBD-D-Arista

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Description

This 10GBASE-ERBD SFP+ bidirectional optical transceiver is the downlink (-D) end of a matched pair, built for long-reach 10GbE links of up to 40km over a single strand of G.652 single-mode fibre. It suits campus or metro interconnects where fibre is scarce, because BiDi operation halves the number of strands compared with a duplex link.

This unit transmits at 1330nm and receives at 1270nm through an LC connector. Transmit power is 0 to 5.0 dBm and receive power is -9 to -21 dBm, with a maximum power draw of 1.5 W drawn from the host switch port. The module measures 8.55 x 13.7 x 56.5 mm, operates at a case temperature of 0 to 70 C and follows IEEE 802.3 and the SFP+ SFF-8431, 8461 and 8472 specifications.

It must be deployed with the SFP-10G-ERBD-U uplink module (Tx 1270nm, Rx 1330nm) at the far end. It fits SFP+ ports on Arista switches. Links beyond 30km are engineered links under IEEE 802.3ae, and proper optical attenuation is required on shorter links to protect the receiver.

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

Features

- Hot swappable to maximise uptime and simplify serviceability
- Bidirectional (BiDi) operation over a single fibre strand, halving fibre count versus duplex links
- Smallest form factor SFP+ with low power draw
- SFP+ optical interoperability with 10GbE XFP, X2 and XENPAK form factors
- Supports long-reach 10GbE links of up to 40km over single-mode fibre
- Designed to be deployed as a matched pair with the SFP-10G-ERBD-U uplink module

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: 10GBASE-ERBD-U/D (this SKU is the D / downlink unit)
- Form factor: SFP+
- Connector type: LC
- Wavelength: Tx 1330nm / Rx 1270nm
- Cable type: SMF G.652 (single strand)
- Maximum reach: 40km
- Tx power: 0 to 5.0 dBm
- Rx power: -9 to -21 dBm
- Maximum power consumption: 1.5 W
- Dimensions (H x W x D): 8.55 x 13.7 x 56.5 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
- Standards: IEEE 802.3 Ethernet; SFP+ SFF-8431, 8461 and 8472
- Compliance: GR-20-CORE, GR-326-CORE, GR-1435-CORE; 2011/65/EU RoHS; 2012/19/EU WEEE

FAQs

Q: Which module does this transceiver pair with?
A: It pairs with the SFP-10G-ERBD-U uplink module (Tx 1270nm, Rx 1330nm) at the far end of the link. The two must be used together as a matched pair.

Q: How far can it carry a 10GbE link?
A: It supports up to 40km over a single strand of G.652 single-mode fibre. Links beyond 30km are considered engineered links under IEEE 802.3ae.

Q: Do I need two fibre strands for this link?
A: No. It uses BiDi operation, transmitting at 1330nm and receiving at 1270nm over one strand, which halves the fibre count compared with a duplex link.

Q: What is the difference between the -D and -U modules?
A: The -D downlink unit transmits at 1330nm and receives at 1270nm. The -U uplink unit does the opposite, transmitting at 1270nm and receiving at 1330nm.

Q: Can I use it on a short link?
A: Proper optical attenuation is required on shorter links to protect the receiver from damage, because transmit power is 0 to 5.0 dBm and receive power is -9 to -21 dBm.

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