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The 3500 Power Supplies are half-height modules that you must install in the
specially designed slots at the left side of the rack. The 3500 rack can contain 1
or 2 ac or dc power supplies in any combination. Either supply can power a full
rack. If installed, the second supply acts as a backup for the primary supply.
Removing or inserting a power supply module will not disrupt operation of the
rack as long as a backup supply is installed.
The 3500 Power Supplies accept a wide range of input voltages and converts
them to voltages acceptable for use by other 3500 modules.
1.
The Supply OK LED on the front of each power supply module indicates if all of the output voltages from that
supply are within specification.
2.1 Power Supply Versions
The 3500 Monitoring System offers 3 power supply versions:
1. the AC Power Supply,
2. the High Voltage DC Power Supply, and
3. the Low Voltage DC Power Supply.
The 3500 AC Power Supply uses 2 versions of the Power Input Module (PIM) to
accept 2 ranges of ac input voltages. The High Voltage AC PIM accepts inputs
from 175 to 264 Vac rms. The Low Voltage AC PIM accepts inputs from 85 to 132
Vac rms.
2. General Information
Figure 2-1: Power Supply OK LED
Section 2 - General Information
3
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