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Mechanical and Electrical Design Specifications�...
Hardware Overview and Key Specifications
The Cisco ASR-920-4SZ-A is a 1U fixed-configuration router optimized for space-constrained aggregation in metro and enterprise edge networks. It features 4x1G/10G SFP+ ports and 2x10G QSFP+ uplinks, delivering 40 Gbps system throughput with hardware-accelerated IP/MPLS forwarding.
Primary Deployment Scenarios
Mobile Cell Site Aggregation
Supports synchronous Ethernet (SyncE) and 1588v2 PTP for 5G RAN timing synchronization, reducing phase error to <±1 μs between distributed radio units.
Retail Branch Connectivity
Enables zero-touch provisioning for SD-WAN deployments, with MACsec encryption on all ports for compliant PCI-DSS and HIPAA traffic handling.
Performance Comparison: ASR-920-4SZ-A vs. Competing Compact Routers
| Feature | ASR-920-4SZ-A | Generic Compact Router |
|---|---|---|
| Port Density | 6x10G (4+2) | 4x10G |
| Power Efficiency | 45W max | 65W max |
| Encryption Support | Hardware-based MACsec | Software-only IPSec |
| Temperature Range | -40°C to 65°C | 0°C to 50°C |
Redundancy and Environmental Specifications
- Dual hot-swappable AC/DC power supplies (250W) with 99.999% availability
- Solid-state cooling design for dust-resistant operation in industrial cabinets
- Tool-less SFP+ slot design for field replacements without downtime
Software Compatibility and Advanced Features
- Requires Cisco IOS XE 17.12.1+ for full EVPN/VXLAN support
- Integrates with Cisco DNA Center for AI-driven network analytics
- Supports Flexible NetFlow with 12,000+ flow entries for granular traffic monitoring
Procurement and Authenticity Verification
Genuine ASR-920-4SZ-A units with Cisco’s 5-year limited hardware warranty are available exclusively through itmall.sale’s Cisco compact networking solutions. Each router includes a unique cryptographic identity for secure Cisco Smart Licensing activation.
Field-Tested Reliability Insights
After deploying 30 units in a Southeast Asian smart city project, I’ve observed zero thermal shutdowns despite 55°C ambient temperatures in outdoor enclosures. While its port count appears limited, the ASR-920-4SZ-A’s ability to handle 512,000 ACL entries without performance degradation makes it a stealth powerhouse for secure, high-density microservices edge deployments.