
Chapter 5 ASM-40/R Card Installation and Operation Manual
5-2 Power Supply ASM-40 Ver. 1.0
ASM-40/R with one of the Ethernet interfaces (IR-ETH or IR-ETH/QN) uses
a CIA/ETH interface adapter, which converts one DB-25 connector to an RJ-45
connector.
The adapter cable and interface attachments are also shown in
Figure 5-1
.
Ter mi na l
Block
Ter mi na l
Block
CIA/V.35/1
CIA/X.21/1
CBL-530/449
CIA/TB-BNC/214
Ter mi na l
Block
Ter mi na l
Block
CIA/V.35/1
CIA/X.21/1
CIA/ETH
CBL-530/449
CIA/TB-BNC/214
Figure 5-1. ASM-MN-214 Rear Panel
5.2 Power Supply
Power is supplied to the ASM-40/R card from the ASM-MN-214 power supply via
the chassis. Each ASM-40/R card has two fuses (F1 and F2), which protect the
entire system against power failure resulting from a short circuit in one card. The
rating of the fuses is 1A, 250V, slowblow (see
Figure 5-4
).
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
The AC power supply of the ASM-MN-214 is 100, 115, or 230 VAC, ±10%,
47 to 63 Hz.
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