Cisco Catalyst 9300 48-port mGig PoE+ Switch

The Cisco Catalyst 9300 48-port mGig PoE+ Switch (C9300-48UXM-A) is a stackable, enterprise-class access layer switch built on Cisco's UADP 2.0 ASIC, delivering multi-gigabit Ethernet capabilities across all 48 downlink ports. Introduced in Q3 2017 as part of the Catalyst 9000 family, it supports 100 Mbps, 1G, 2.5G, 5G, and 10G speeds on its RJ-45 mGig ports, enabling high-throughput connectivity for bandwidth-intensive endpoints such as 802.11ac Wave 2 and Wi-Fi 6/6E access points without requiring fiber infrastructure upgrades. The switch operates under Cisco's Intent-Based Networking (IBN) architecture and requires DNA Advantage or Essentials licensing to unlock its full programmability, automation, and analytics feature set.

The C9300-48UXM-A carries an Advantage (A) license tier, which activates features including Cisco DNA Center integration, Software-Defined Access (SD-Access) fabric participation, encrypted traffic analytics (ETA), and advanced security capabilities such as TrustSec and MACsec-256 encryption on all ports. The switch supports StackWise-480 stacking technology, allowing up to eight units to be interconnected with a combined stack bandwidth of 480 Gbps, providing a resilient, scalable access layer fabric managed as a single logical entity. Power over Ethernet Plus (PoE+) is delivered at up to 30W per port under IEEE 802.3at, with the platform supporting a total PoE budget determined by the installed power supply modules.

Designed for demanding campus and healthcare enterprise environments, the C9300-48UXM-A runs Cisco IOS XE, offering a model-driven programmability framework via NETCONF, RESTCONF, and gRPC interfaces, as well as native Python scripting support through the on-box Guest Shell environment. The switch includes two modular network module slots supporting optional uplink modules (1G, 10G, 25G, or 40G) for flexible uplink connectivity to distribution or core layers. Its stateful switchover (SSO), nonstop forwarding (NSF), and in-service software upgrade (ISSU) capabilities minimize planned and unplanned downtime, making it well-suited for environments where continuous network availability is critical.

Ideal for

• High-density Wi-Fi 6/6E access point connectivity in large enterprise campuses, leveraging mGig port speeds to eliminate uplink bottlenecks without replacing existing Cat6A cabling
• Healthcare facility network access layer supporting medical imaging workstations, VoIP endpoints, and PoE-powered medical devices within a TrustSec-segmented, policy-driven environment
• Cisco SD-Access fabric edge node deployment, enabling automated policy enforcement, macro- and micro-segmentation, and integration with Cisco DNA Center for intent-based provisioning
• Multi-tenant enterprise office environments requiring MACsec-256 link-layer encryption on all access ports to meet stringent data security and compliance mandates
• Education campus modernization projects where existing structured cabling must support both legacy gigabit devices and new multi-gigabit endpoints from a single unified access switch
• Resilient, high-availability access layer stacks in data-sensitive operations centers, utilizing StackWise-480 with SSO and NSF to maintain forwarding continuity during supervisor failover or software upgrades

Technical specifications

Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.