What is the Cisco MEM-C8500-16GB and How Does
Core Functionality: Memory Expansion for High-Den...
Core Specifications and Design Philosophy
The Cisco Catalyst C9200L-24P-4X-E++ is a 24-port Layer 3 switch engineered for enterprises demanding high-power PoE+ (60W/port) support and multi-gigabit uplink flexibility. It combines 24x 10/100/1000BASE-T PoE++ ports with 4x 10G SFP+ uplinks, targeting environments like industrial IoT hubs, high-density Wi-Fi 6E deployments, and advanced AV systems.
Key innovations:
- 960W total PoE budget, enabling 60W per port (PoE++) for devices such as PTZ cameras with AI analytics, high-end wireless APs, and building automation controllers.
- Cisco DNA Advantage with Extended Licensing (E++): Unlocks lifetime software updates and premium 24/7 TAC support, a rarity in standard Catalyst 9200 models.
- Industrial-grade durability: Operates in -40°C to 70°C environments, certified for harsh settings like manufacturing floors or outdoor telecom cabinets.
Performance Benchmarks and Target Applications
1. Ultra-High-Power IoT Deployments
The 960W PoE++ capacity powers:
- 16x 60W LiDAR sensors for autonomous guided vehicles (AGVs) in warehouses.
- 20x Wi-Fi 6E APs with 8×8 MU-MIMO in stadiums or conference centers.
2. Multi-Gig Backbone Connectivity
The 4x 10G SFP+ uplinks handle:
- Real-time 4K video streaming for broadcast studios.
- Edge computing data aggregation across distributed sites.
Comparison with Standard Catalyst 9200L Models
| Feature | C9200L-24P-4X-E++ | C9200L-24P-4X-E |
|---|---|---|
| PoE Budget | 960W (60W/port) | 740W (30W/port) |
| Licensing | DNA Advantage + E++ | DNA Advantage |
| Operating Temp | -40°C to 70°C | 0°C to 40°C |
The E++ variant prioritizes extreme environments and long-term support, justifying its premium cost for mission-critical operations.
Addressing Critical User Concerns
Q: Can this switch replace traditional industrial switches like the IE3400 series?
Partially. While ruggedized, it lacks native IP67 rating or DC power input—supplemental enclosures or converters may be needed for full industrial compliance.
Q: Does the E++ license cover future 25G/40G uplink modules?
Yes. The license includes hardware compatibility updates, ensuring support for next-gen modules like the C9200-NM-4Q= (40G QSFP).
Deployment and Procurement Guidance
- Use StackWise-320 for seamless integration with existing Catalyst 9200 stacks.
- Pair with Cisco Ultra-Reliable Wireless for deterministic sub-1ms latency in automation workflows.
- For availability and custom quotes, visit “C9200L-24P-4X-E++”.
Engineer’s Perspective
The C9200L-24P-4X-E++ redefines the boundaries of enterprise switches with its PoE++ muscle and industrial resilience. While its upfront cost is steep, the elimination of external power supplies and future-proof licensing make it a strategic fit for organizations scaling IoT or Industry 4.0 initiatives. That said, traditional office networks might find its capabilities overkill—this switch thrives where failure isn’t an option.