RAD Data comm ASMi-31 operation manual Power Supply, ASM-MN-214 Front Panel

Chapter 5. Card Cage Version ASMi-31Installation and Operation Manual

AC Supply (100, 115 or 230 VAC)

DC Supply

(-48 VDC)

Power Supply with Redundancy

Note

5.3 Power Supply

Power is supplied to the ASMi-31/R card from the ASM-MN-214 power supply via the chassis. Each ASMi-31/R card has two fuses, which protect the entire system against power failure resulting from a short circuit in one card.

The ASM-MN-214 card cage can accept both AC or DC power supplies. LED indicators located on the ASM-MN-214 front panel (see Figure 5-3) show activity when the power supply is connected to the mains plug. The power supply supports the full card cage with any combination of cards.

The AC power supply of the ASM-MN-214 is 100, 115 or 230 VAC, ±10%, 47 to 63 Hz.

The DC power supply is - 48 VDC (-36 to -72 VDC). It uses a DC/DC converter module to provide the power required for the cards.

This special ordering option is equipped with two separate power supplies, operating together and sharing the load of the whole card cage. If either of the power supplies fails, the other one will continue to supply power to the full card cage.

Two LED indicators show activity of each power supply. They should both light when mains power is provided.

It is possible to combine AC and DC power supplies in the same cage.

Figure 5-3 ASM-MN-214 Front Panel

5-4 Installing ASMi-31/R

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