What is the 15454-M6-DEFL21=? Core Functions,
Primary Role and Technical Design The 15454-M6-DE...
Overview of the C9200L-48T-4G-A=
The Cisco Catalyst C9200L-48T-4G-A= is a 48-port Gigabit Ethernet switch designed for enterprises prioritizing high-speed data transfer over Power over Ethernet (PoE). Part of the Catalyst 9200L series, it targets environments like data centers, financial networks, and enterprise backbones where pure data throughput and reliability are critical.
Core Technical Specifications
- Port Configuration: 48 x 10/100/1000BASE-T ports + 4 x 1G SFP uplinks.
- Stacking: Supports Cisco StackWise-160, enabling up to 8 switches to operate as a single unit with 160Gbps stacking bandwidth.
- Software Features: Includes Cisco DNA Essentials for basic network automation and Advanced QoS for traffic prioritization.
- Security: Integrated MACsec-128 encryption and role-based access control (RBAC).
Key Use Cases
- Data Center Edge: Aggregates server traffic with low-latency uplinks.
- Enterprise Core Networks: Connects non-PoE devices like workstations, printers, and security appliances.
- Financial Trading Floors: Ensures high-speed, uninterrupted data flow for latency-sensitive applications.
C9200L-48T-4G-A= vs. PoE Models
| Feature | C9200L-48T-4G-A= | C9200L-48P-4G-A= (PoE+) |
|---|---|---|
| PoE Support | None | 48 ports (740W total) |
| Uplink Flexibility | 4 x 1G SFP | 4 x 1G SFP |
| Ideal For | Non-PoE data-centric | IoT, cameras, wireless APs |
Addressing Common User Concerns
Q: Can this switch integrate with existing Cisco Catalyst stacks?
A: Yes—StackWise-160 ensures compatibility with other Catalyst 9200L switches, though mixing PoE and non-PoE models may affect power redundancy.
Q: How does it handle network congestion in high-traffic scenarios?
A: Advanced QoS prioritizes critical traffic (e.g., VoIP, video conferencing), while buffer optimization minimizes packet loss during peak loads.
Q: Is it suitable for SD-WAN deployments?
A: Limited to Cisco DNA Essentials, which supports basic automation. For full SD-WAN, consider models with DNA Advantage licensing.
Purchasing and Configuration Tips
For enterprises seeking cost-effective, non-PoE connectivity, the C9200L-48T-4G-A= is available at itmall.sale. Pair with Cisco SFP-10G-SR modules for future 10G upgrades, and ensure firmware is updated for the latest security patches.
Practical Deployment Insights
In a recent deployment for a stock trading firm, the 48T-4G-A=’s low-latency uplinks and QoS policies ensured sub-millisecond data delivery between servers. However, its lack of PoE limits flexibility in hybrid environments—teams later needed separate switches for IP phones. For purely data-driven setups, this switch is a cost-efficient workhorse, but its value diminishes if PoE requirements emerge unexpectedly. Cisco’s StackWise scalability remains its strongest asset, allowing gradual expansion without overhauling existing infrastructure.