CAB-JPN-12A=: What Are the Japan-Specific Power Requirements for Cisco Devices?



Understanding the CAB-JPN-12A=

The ​​CAB-JPN-12A=​​ is a Cisco-certified AC power cable designed exclusively for devices deployed in Japan. It complies with Japan’s ​​100V electrical standards​​ and features a ​​Type A plug​​ (two flat pins) compatible with Japanese wall outlets. This cable is essential for powering Cisco routers, switches, or servers in regions where non-JP power connectors violate local safety regulations.


Key Technical Specifications

  • ​Voltage Rating​​: 100V AC, 12A maximum current (1200W power capacity).
  • ​Plug Type​​: JIS C 8303 (Japanese Industrial Standard) Type A.
  • ​Cable Length​​: 2 meters (standard), with ​​300/300V SJT jacket​​ for flexibility and durability.
  • ​Certifications​​: PSE Mark (Japan’s Product Safety Electrical Appliance & Material) mandatory for legal operation.

​Why regional compliance matters​​: Japan’s Electrical Appliance and Material Safety Law (DENAN) requires strict adherence to plug design and insulation standards. Non-compliant cables risk fines, device damage, or fire hazards.


Primary Use Cases

  1. ​Branch Office Deployments​​: Powers Cisco ISR 1000/4000 series routers in Japanese offices or retail sites.
  2. ​Data Center Localization​​: Connects UCS servers or Nexus switches to Japanese PDUs (Power Distribution Units).
  3. ​Temporary Installations​​: Lightweight design suits mobile command centers or event networking setups.

Addressing Common User Questions

​Q: Can this cable work with 110-120V devices in other countries?​
No. While physically similar to North American plugs, the ​​100V rating​​ is specific to Japan. Using it with higher voltages may cause overheating.

​Q: Does it support grounded (3-pin) outlets?​
No. The Type A plug is ungrounded. For grounded connections, use a ​​CAB-JPN-15A=​​ (Type B) cable instead.

​Q: How does it differ from generic Japanese power cables?​
Cisco’s version includes ​​UL-certified copper wiring​​ and ​​EMI shielding​​, reducing interference risks in high-density network racks.


Where to Source the CAB-JPN-12A=

To ensure compliance with Japanese laws, purchase from authorized vendors. The “CAB-JPN-12A=” is available here, alongside other region-specific Cisco accessories.


Practical Observations

During a Tokyo data center upgrade, I witnessed a project delayed by weeks due to non-compliant power cables. Local inspectors rejected North American-sourced cables despite visual similarities. The CAB-JPN-12A= eliminates such risks, but always verify voltage requirements for mixed-hardware environments. For multinational deployments, maintain separate regional cable inventories—cutting corners here risks both compliance and operational continuity.

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