Справочник Пользователя для American Power Conversion Automatic Transfer

Configuration

A

B

Output

Input

Preference

A

B

Reset

Link - RX/TX

Status

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Smar t Sl ot

Network Management Card

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a



Reset switch

Restarts the Network Management Card.



Ethernet port

Connects the Automatic Transfer Switch to your network, 
using a network cable.



Link–RX/TX LED

Indicates whether there is activity on the network.



Status LED

Indicates whether power is applied to the Network 
Management Card.



Preference button

Sets the preferred source to supply power to the load 
equipment. In normal operation, if both sources are available, 
the Automatic Transfer Switch will use the preferred source. 
Press the Preference button to change the preferred source.



Preference A and B 
LEDs 

Indicates which of the two sources, if any, is selected as the 
preferred source. If both LEDs are off, neither source is 
preferred. If a source is asynchronous, the source’s LED will 
flash once per second.



Source A and B LEDs Provides information about the input voltage from each source. 

If the RMS input voltage and the measured frequency are 
within the selected tolerance range, the corresponding 
indicator will light.
In a normal operating condition (full source redundancy), both 
LEDs are illuminated.



Connector LEDs

Indicates which source is being used for the output (only one 
arrow will be lit at any time). The combination of Source 
LEDs, Connector LEDs, and Output LED provide a graphical 
view of the power flow through the Automatic Transfer 
Switch.



Output LED

Shows that voltage is available at the output for the Automatic 
Transfer Switch.



Configuration port

The local connection for accessing all the setup, status, 
maintenance, and diagnostic information for the Automatic 
Transfer Switch.