Finisar Corporation
Finisar AFBR-89BDDZ 100G QSFP28 BiDi switch module
A 100 Gbps QSFP28 BiDi transceiver for multimode fiber with LC duplex connectors
- 100 Gbps throughput for high-density data centre links
- BiDi technology cuts fibre count by transmitting and receiving on one strand
- QSFP28 form factor fits standard switch ports without adapters
- LC duplex connector simplifies patching on multimode infrastructure
- New, unused module ready for immediate deployment
100G QSFP28 BiDi transceiver
The Finisar AFBR-89BDDZ is a 100G QSFP28 BiDi optical transceiver designed for high-density data center links. It uses bidirectional technology over multimode fiber to deliver 100 Gbps throughput while halving the strand count required for a standard duplex connection. Network engineers deploy it to consolidate cabling in leaf-spine architectures without sacrificing bandwidth.
LC duplex multimode reach
A single LC duplex connector carries both transmit and receive wavelengths, so existing duplex patch panels support the link without ribbon-fiber upgrades. The module handles typical intra-data-center distances on OM3 or OM4 multimode fiber, but it cannot span the longer reaches that single-mode BiDi optics or parallel QSFP28 SR4 transceivers cover. Budget the fiber plant accordingly.
QSFP28 form factor constraint
The QSFP28 footprint locks this transceiver into switches and routers that expose native QSFP28 cages and support 100G BiDi signaling. Ports limited to SFP28, QSFP+, or non-BiDi 100G modes will not recognise the module, and passive copper breakout cables cannot substitute for the optical BiDi link.
Highlights
- 100 Gbps throughput for high-density data centre links
- BiDi technology cuts fibre count by transmitting and receiving on one strand
- QSFP28 form factor fits standard switch ports without adapters
- LC duplex connector simplifies patching on multimode infrastructure
- New, unused module ready for immediate deployment
Specifications
| Brand | Finisar |
|---|
Questions about this item
Will the AFBR-89BDDZ 100G QSFP28 BiDi module link with my existing multimode LC duplex patch cables?
Yes, the AFBR-89BDDZ uses an LC duplex connector on multimode fiber, so your current OM3 or OM4 patch cables will plug straight in without adapters.
How can I confirm the AFBR-89BDDZ is operating at 100 Gbps after installation?
Check the switch port statistics for a 100 Gbps link speed, zero CRC errors and green Tx/Rx power levels in the DOM readout for the AFBR-89BDDZ.
The listing says the AFBR-89BDDZ comes as pictured with no extra parts; what exactly is included?
Only the Finisar AFBR-89BDDZ transceiver itself is supplied — no cables, dust caps or mounting hardware are in the box.
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