RAD Data comm ASM-20 Specifications download pdf (Page 44)

ASM-20

Installation & Operation Manual Chapter 5. Card Cage Version

11/4/99 12:46 Power Supply 5-3

PWR

RTS

DCD

TEST

DIG

ANA

REM

PATT

ERR

RPF

ASM - 20

Figure 5-2 ASM-20/R Front Panel

5.4 Power Supply

Power is supplied to the ASM-20/R card from the ASM-MN-214 power

supply via the chassis. Each ASM-20/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.

AC Supply (100,

115 or 230 VAC)

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

47 to 63 Hz.

DC Supply

(-48 VDC)

The DC power supply is -36 to -72 VDC. It uses a DC/DC converter module

to provide the power required for the cards.

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RAD Data comm ASM-20 Specifications Page 44