Module Descriptions
GARD 8000 SYS RFL Electronics
April 23, 2015 6-41 973.334.3100
The GARD 8000 power supply module is the power source for all logic modules in the GARD 8000
Chassis, and is available in three versions. Seventy two watts of output power is available: +18 volts,
and -18 volts @ 4.00 amperes (combined total).
The power supplies have input fusing and output overcurrent protection, and are designed to meet the
2500-Vdc Hipot, Oscillatory, and Fast-Transient tests specified in IEEE C37.90.
Two of the supplies can accept ac or dc as detailed in the table below. The GARD 8000 can be
powered with either one or two Power Supply modules. The first power supply is inserted into any
power supply slot. The second, optional, power supply is inserted into the remaining slot. The second
power supply, if installed, provides power supply redundancy. If one power supply fails, the second
supply automatically comes on-line with no interruptions.
If you are adding modules to an existing system equipped with dual power supplies, always verify that
total power consumption does not exceed the capacity of a single supply. This will insure power
supply redundancy.
The two power supply slots are totally independent and a chassis may be configured with any
combination of supplies.
Table 6-18. GARD Power Supply Modules, General Information
6.9.2 SPECIFICATIONS
As of the date this manual was published, the specifications shown in the table below apply to all
GARD 8000 power supply modules, except where indicated. Because all RFL products undergo
constant refinement and improvement, these specifications are subject to change without notice.
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