SFP28 transceiver BLUEOPTICS BO27Q856S1D compatible module for 25GbE PY-SFPS56-BO

The BLUEOPTICS BO27Q856S1D compatible SFP28 transceiver module (marketed as PY-SFPS56-BO) is a compact, hot-pluggable optical interface designed for 25 Gigabit Ethernet (25GbE) links. It fits standard SFP28 ports on switches, routers and media converters to provide an upgrade path for higher-speed server uplinks, aggregation links and leaf–spine fabrics in data center and enterprise networks. The module supports short-reach single-mode/multimode topologies as defined for SFP28 optical modules and is intended for environments that require reliable 25GbE connectivity without changing existing port hardware.

Advantages

The module provides a small, standardized form factor that enables straightforward upgrades to 25GbE on compatible network devices without replacing entire line cards. Its hot-pluggable design allows installation and replacement without powering down equipment, minimizing downtime during maintenance. The SFP28 interface ensures backward compatibility with SFP+/SFP28 cages and supports interoperable optical links with a range of switches and media converters that accept SFP28 modules. Its compact size and standardized electrical/optical specifications simplify spare-part management and density planning in rack and data center deployments.

Suitable for

Key specifications

How to use

Ensure the target device supports SFP28 modules and 25GbE operation, then power the device according to the manufacturer's instructions. Carefully insert the transceiver into an empty SFP28 cage until it clicks into place and establish a fiber patch or direct attach connection following correct polarity and fiber type guidance. After insertion, verify the link status on the host device and configure interface settings such as speed, duplex and auto-negotiation if required by the network equipment. To remove the module, follow the host device's hot-swap procedure and handle the optical interfaces with appropriate dust caps and protective measures.

Recommendations

Use suitable fiber cable type and approved SFP28-compliant patching components to ensure signal integrity. Observe manufacturer guidelines for operating temperature and ESD handling. For critical links, verify compatibility with the switch vendor and test the transceiver in a controlled environment before widespread deployment.