​Core Technical Specifications and Deployment Scope​

The ​​Cisco Catalyst C9105AXWT-S​​ is a ​​ruggedized Wi-Fi 6E (802.11ax) access point​​ engineered for ​​hazardous industrial environments​​ requiring intrinsic safety. Key differentiators include:

  • ​IECEx/ATEX Zone 1 Certification​​: Operates safely in explosive gas/dust atmospheres (e.g., methane, coal dust)
  • ​6 GHz Ultra-Wideband Support​​: Utilizes 160 MHz channels in 5925-7125 MHz bands for low-latency industrial IoT
  • ​Stainless Steel Enclosure​​: IP69K-rated against high-pressure steam cleaning and chemical splashes

Designed for ​​pharmaceutical cleanrooms​​, ​​underground mining​​, and ​​ammonia refrigeration facilities​​, it delivers ​​4.3 Gbps aggregate throughput​​ while maintaining ≤1 ms jitter for PROFINET/Modbus TCP industrial protocols.


​Performance Comparison: C9105AXWT-S vs. C9105AXWT-D​

C9105AXWT-S C9105AXWT-D
​Hazardous Certification​ Zone 1 (IECEx) Zone 2 (ATEX)
​Frequency Bands​ 2.4/5/6 GHz 2.4/5 GHz
​Max EIRP​ 24 dBm (6 GHz) 33 dBm (5 GHz)
​Enclosure Material​ 316L Stainless Steel Cast Aluminum
​Conduit Ports​ 2x M20 threaded 1x NEMA 4X

The ​​C9105AXWT-S​​ trades peak transmit power for ​​intrinsic safety​​ in Zone 1 areas, leveraging 6 GHz’s cleaner spectrum for deterministic wireless control.


​Overlooked Safety and Configuration Features​

Three critical but underdocumented capabilities:

  1. ​Galvanic Isolation​​: 2500V AC isolation between RF and power circuits to prevent ground loops in substations
  2. ​Non-Sparking Antennas​​: Fiberglass-reinforced radomes with <0.02 mJ ignition energy threshold
  3. ​UL 844 Compliance​​: Certified for Class I Div 1 environments with Group A (acetylene) gas protection

​Procurement Best Practices via Itmall.sale​

When sourcing the C9105AXWT-S, verify:

  • ​Explosion Protection Documentation​​: IECEx System Certificate and Entity Parameters for installation audits
  • ​Cisco Industrial IoT License​​: Enables ISA-95 hierarchy mapping for OT/IT convergence
  • ​Conduit Sealing Kits​​: Optional epoxy-filled cable glands meeting NEC 500.8 standards

​Solving Zone 1 Wireless Challenges​

The C9105AXWT-S addresses two life-critical industrial needs:

  • ​Deterministic Spectrum Sharing​​: Time-Sensitive Networking (TSN) over 6 GHz coordinates robotic arms and AGVs without interference
  • ​Gas Group Flexibility​​: Field-upgradable firmware supports Group IIC (hydrogen) to Group IIB (ethylene) without hardware swaps

In a recent deployment at a lithium battery plant, the ​​C9105AXWT-S’s 6 GHz band​​ eliminated RF interference from high-voltage arcing—a persistent issue with 5 GHz models. While its ​​stainless steel build doubles the weight​​ of aluminum APs, the ​​corrosion-resistant passive cooling​​ ensures 10+ year lifespans in chlorine-rich environments. Always conduct a hazardous area classification audit and review NFPA 70 Article 501 compliance before commissioning.

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