User`s guide

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USER’S GUIDE AUTOMATIC TRANSFER SWITCH
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Configuration option
Item Definition
Source A Name
Source B Name
The user-defined name for each source, 32-characters maximum.
Preferred Source The power source to which the Automatic Transfer Switch will
transfer when both input power sources are acceptable. Options are
Source A, Source B, and None.
Voltage Transfer
Range
Defines the range of acceptable voltage from a power source. If the
voltage of the selected input source is not within this range, the
Automatic Transfer Switch transfers to the alternate power source.
Options are Wide, Medium, and Narrow.
Sensitivity Defines the sensitivity of the Automatic Transfer Switch to changes
in voltage.
• Low: Causes the Automatic Transfer Switch to accept frequent
small line voltage changes without switching to the alternate power
source.
• High: Causes the Automatic Transfer Switch to switch to the
alternate power source in response to small line voltage changes.
Provides the best protection for sensitive equipment.
Current Limit The threshold, in amps, at which an Over Current Alarm is
generated.
Reset to Default
Settings
Reset the Automatic Transfer Switch to its default values.
N
OTE: The Network Management Card loses communication briefly
while the Automatic Transfer Switch resets itself.