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The H902PILA board leads in 1 -48 V or -60 V DC power through 2 100 A OT terminals, and transfers the power to the protection circuit, then to the filter circuit, and finally to the backplane, supplying power to the service subrack and other boards.
Figure 1 Appearance
The H902PILA board supports the following features and specifications:
1 -48 V or -60 V DC power input (input voltage range: -38.4 V to -72 V)
Filtering and current-limiting for the power input port
Detection of power input and protection fuse faults
Protection alarm and board detection
Parent Topic: Power Board
Figure 2 Working principle of the H902PILA board
| Indicates the monitoring signal channel. |
| Indicates the alarm signal channel. |
| -48 V or -60 V DC power |
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| DC power |
| E2PROM circuit: stores the vendor information of the board. |
Parent Topic: Power Board
Parent Topic: Power Board
Indicator | name | Color | Status | Operation Description |
|---|---|---|---|---|
PWR | Running status indicator | Green | On | The input voltage and the protection fuse are normal. |
Orange | On | The input voltage is normal but the protection fuse is faulty. | ||
- | Off | There is no power input or power system is faulty. |
Parent Topic: Power Board
