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How to connect the power supply to the optical bridge switch

How to connect the power supply to the optical bridge switch

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Connect the optical bridge switch to a compatible power source, ensuring proper grounding and correct polarity to avoid damage and enable normal or bypass operation.

General Steps for Power Connection

  1. Verify the Power Requirements Check the switch's documentation for the required voltage and current. For example, MEMS optical switch modules typically use a DC supply connected to pins labeled VIN, while industrial bypass switches may share the same power source as the local network switch ( ).
  2. Identify Power Pins and Ground
    • MEMS modules: Pins 3 & 4 are VIN (power supply), and pins 5 & 6 are GND (ground). Both power and ground pins should be connected; the case ground is usually floating and does not need to be connected ( ).
    • Industrial bypass switches: Connect the switch to the same power source as the local fiber switch to ensure proper bypass operation during power loss ( ).
  3. Ensure Correct Polarity Double-check the pin assignments and connector orientation. Reversing the power connection can cause immediate and catastrophic damage to the switch module ( ).
  4. Connect Protective Ground If the switch provides a protective ground terminal, connect it to the facility ground. This is essential for safe operation and to prevent electrical hazards ( ).
  5. Power On Safely
    • Ensure the installation site is dry, clean, and ventilated.
    • Avoid placing objects on power cords or blocking ventilation openings ( ).
    • Once connections are verified, power on the switch. For bypass switches, the device will operate in Normal mode when powered and automatically switch to Bypass mode if power is lost ( ).
  6. Optional Control Pins Some switches have reset or control pins (e.g., LVTTL reset input). These can be left floating if not used, but if connected, ensure they are set to the correct logic level for normal operation ( ).

Safety Considerations

  • Never apply voltage to pins labeled 'NC' (No Connection) as this can void the warranty and damage the switch ( ).
  • Use properly rated cables and connectors to prevent overheating or short circuits.
  • Verify grounding before applying power to avoid electrical hazards ( ). By following these steps, the optical bridge switch will be safely powered, ensuring reliable operation and proper bypass functionality during power interruptions.
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