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Small rectangular SFP+ transceiver module with metal housing and LC duplex port visible

STARTECH

STARTECH SFP-10G-BXD-I-ST SFP transceiver 10GBASE-BX 10 km 1330nmTx/1270nmRx

SKU CH-6SSJ-VA9CC MPN SFP-10G-BXD-I-ST

A 10 Gbps bidirectional SFP+ transceiver sending at 1330 nm and receiving at 1270 nm over single-mode fibre up to 10 km

  • Port countLC
  • Product typeTransceiver
  • Network cablingSMF
  • Optical wavelength1330nmTx/1270nmRx
  • Maximum range10 km (6.2 mi)
  • Transfer speed10 Gbit/s
  • Bi-directional 10 Gbps link over a single SMF strand
  • 10 km reach on 1330 nm Tx / 1270 nm Rx wavelengths
  • LC duplex port fits standard SFP+ cages
  • 100 % Cisco SFP-10G-BXD-I compatible with ASR9000, ASR1000, NCS5500, C3850, NCS540
  • Pairs with SFP-10G-BXU-I-ST for complete BiDi deployment

Downstream BiDi Transceiver

The StarTech SFP-10G-BXD-I-ST is a Cisco SFP-10G-BXD-I compatible downstream SFP+ transceiver. It delivers 10 Gbps over single mode fiber using a single strand. Network engineers extending 10GBASE-BX links up to 10 km will find it fits existing Cisco switch ports.

Single Strand Distance Limit

The module transmits at 1330 nm and receives at 1270 nm across one fiber strand. This wavelength pairing restores bandwidth on existing infrastructure but requires the matching upstream counterpart. Maximum reach is 10 km or 6.2 mi; longer spans need different optics.

LC Connector and Cisco Integration

An LC duplex port houses the single strand connection for straightforward patching. The unit is programmed and tested for Cisco platforms such as ASR9000, ASR1000, NCS5500, C3850 and NCS540. Buyers needing non Cisco gear or a second independent link should verify compatibility before purchase.

How it compares

Measured against everything we stock in SFP & SFP+ Transceiver Modules, at today’s prices. Recalculated every night.

Price $104.99
Cheaper than about 57% of the 1,471 comparable items (median $138.99).

Specifications

Product
Brand nameStarTech.com
Model nameSFP-10G-BXD-I-ST
Product typeTransceiver
Performance
Transfer speed10 Gbit/s
Connectivity
Network cablingSMF
Optical wavelength1330nmTx/1270nmRx
Maximum range10 km (6.2 mi)
Ports & slots
Port countLC
Size & build
Shipping weight0.10 kg
Package size120 × 60 × 40 mm

Questions about this item

Should I choose the downstream or upstream wavelength module for my link?

This module transmits at 1330 nm and receives at 1270 nm, so it is the downstream side; pair it with the upstream module that uses the opposite wavelengths.

What does the 10 Gbps transfer rate deliver in a live 10GBASE-BX link?

It provides full-duplex 10 Gigabit Ethernet throughput over a single strand of single-mode fibre up to 10 km.

Which LC single-mode fibre standard does the 10GBASE-BX interface follow and what distance does it support?

The transceiver complies with 10GBASE-BX and reaches 10 km (6.2 mi) on standard single-mode fibre with LC connectors.

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