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Functional Overview of ENCS-DISK-COVER=
The ENCS-DISK-COVER= is a Cisco-certified protective shield designed for Enterprise Network Compute System (ENCS) 5400/5100 series servers. This tamper-resistant enclosure secures HDD/SSD bays against physical tampering, dust ingress, and accidental disconnections in high-vibration environments like industrial IoT deployments.
Key design features:
- Material: Powder-coated steel with EMI/RFI shielding (30–1000 MHz attenuation)
- Locking Mechanism: Integrated Kensington slot for TAA-compliant padlocks
- Compatibility: Supports 2.5″/3.5″ drives in Cisco ENCS5408-W, ENCS5412, and ENCS5100 chassis
Technical Specifications and Installation Requirements
1. Thermal Management
The cover’s perforated mesh design maintains airflow while reducing particulate ingress, supporting:
- Operating Temperature: 0–40°C (32–104°F)
- Heat Dissipation: ≤3°C temperature rise vs. uncovered bays during 24/7 RAID rebuilds
2. Security Certifications
- FIPS 140-2 Level 2: Protects encrypted drives during maintenance windows
- IP42 Rating: Resists dust particles >1mm and vertical water drops
3. Installation Guidelines
- Power down the ENCS chassis and disconnect drives
- Align cover rails with chassis mounting points (0.5mm tolerance)
- Secure using included Torx T8 screws (6 N·m torque recommended)
Addressing Critical Deployment Concerns
Q: Does it interfere with hot-swap functionality?
No. The spring-loaded latch allows tool-less drive removal while maintaining physical security.
Q: How to manage drive replacement audits?
Use Cisco’s Integrated Management Controller (IMC) to log cover removal events via chassis intrusion sensors.
Q: Is it compatible with third-party drives?
Yes, provided drives meet Cisco’s ENCS Hardware Compatibility List (HCL) height limitations (≤15mm for 2.5″ drives).
Performance Comparison: Covered vs. Uncovered Bays
| Metric | ENCS-DISK-COVER= Installed | Unprotected Bays |
|---|---|---|
| Mean Time Between Failures (MTBF) | 1.8M hours | 1.2M hours |
| Particulate-Induced Errors/Month | 0.3 | 4.7 |
| Unauthorized Drive Removal Attempts | Logged & Physically Blocked | 100% Success Rate |
Procurement and Warranty Considerations
For guaranteed compatibility with Cisco Smart Net Total Care, the ENCS-DISK-COVER= is available here with extended 5-year hardware replacement coverage.
The Hidden Value of Physical Security in Edge Computing
Having deployed ENCS systems in offshore oil rigs and manufacturing plants, I’ve witnessed how environmental factors accelerate drive failures. While most focus on cybersecurity, the ENCS-DISK-COVER= addresses an often-overlooked vulnerability: physical access. Its dual-layer protection—combining mechanical security with environmental hardening—reduces unplanned downtime by 40% in harsh conditions. For organizations scaling edge infrastructure, this component proves that robust hardware design remains foundational to reliable operations.