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Shielded Cat.5e Arch Latch Modular Plug
Content
1. Core Design Purpose
EMI Defense + Physical Security: Combines metalized shielding with an arched latch for environments with interference and vibration (e.g., factory floors, medical labs).
Grounding Critical: Shield must bond to plug shell to divert EMI/RFI noise.
2. Key Structural Features
Shielded Housing:
Zinc alloy shell or metallized plastic routes interference to ground.
Reinforced Arch Latch:
Thickened, ribbed tab withstands snags and repeated impacts.
Integrated Grounding:
Metal teeth pierce cable shield foil/braid during crimping.
3. Termination Workflow
Shield Prep:
Strip jacket to expose 15mm shield; fold braid/foil over jacket.
Ground Bond:
Position shield under plug’s metal clamp teeth.
Wire Insertion:
Align wires per T568B; push until seated.
Crimp & Lock:
Single crimp action:
Compresses contacts
Bites shield to housing
Deploys arch latch.
4. Target Applications
Medical Devices:
Blocks EMI from MRI/ultrasound machines near networks.
CNC Machine Shops:
Resists motor noise and physical kicks from operators.
Theatrical AV Systems:
Survives cable tugs during live events.
5. Failure Modes & Fixes
| Failure | Cause | Field Fix |
|---|---|---|
| EMI Noise Surge | Shield not contacting teeth | Re-crimp with downward force |
| Latch Fracture | Vertical pull (not angled press) | Secure with zip-tie loop |
| Intermittent Ground | Corrosion on shield teeth | Scrape teeth; apply antioxidant |
6. Critical Advantages vs. Unshielded
| Threat | Shielded Arch Latch Plug | Unshielded Version |
|---|---|---|
| EMI from Motors | Diverts noise to ground | Drops packets; speed throttling |
| Static Discharge | Path to ground prevents port kill | Risks switch/device damage |
| Shielded Cable Use | Maintains end-to-end protection | Breaks shield continuity |
7. Limitations
Ground Dependency: Requires grounded ports/devices.
Reusability: Latch weakens after 10+ removals.
Tool Caution: Standard crimpers may miss shield bite.
