RAD Data comm ASM-20 Specifikace Strana 44

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ASM-20
Installation & Operation Manual Chapter 5. Card Cage Version
11/4/99 12:46 Power Supply 5-3
PWR
RTS
TD
RD
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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