Deliver reliable 10G connectivity over multimode fiber with the HPE Aruba Instant On R9D18A SFP+ transceiver module. Built for 10GBase-SR operation, it supports short-reach links up to 300 m, making it a practical fit for switch-to-switch connections, rack-to-rack uplinks, and distribution-layer paths where predictable optical performance matters. The LC connector aligns with common enterprise fiber plant designs, while the SFP+ form factor keeps deployment simple in supported HPE Aruba Instant On switches. For teams standardizing on a short-reach optic, this module avoids the cost and complexity of longer-distance parts that add nothing to the link. It is the right choice when the requirement is clean 10G transport across multimode infrastructure, not excess reach. Use it where uptime, compatibility, and disciplined optics selection matter: access closets, aggregation racks, and campus segments built around HPE Aruba Instant On switching. The result is a straightforward transceiver choice that matches the network design and preserves budget for the rest of the stack.