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SiteScan Configuration
An RS-422 port on the optional Comms Board provides communications with Liebert’s SiteScan.
SiteScan is Liebert’s system monitoring software that allows you to utilize a PC to monitor the Static
Transfer Switch 2 Power Distribution Unit’s status and check alarms. See 6.3 - Comms Board for
more information on this board.
If the STS2/PDU will be connected to SiteScan:
• Select YES for the SiteScan choice in the Comm Options dialog box to activate the card.
Saving Your Communications Configurations
To save you communications configuration settings:
1. When you have completed the Comm Options configurations, ensure you have selected YES for all
the settings that you want activated.
2. Select SAVE to keep the settings.
Whenever you make modifications to the any of the Comm Options, select SAVE to keep the
changes.
System Options
Most System Options are configured at the factory. However, you may need to set two of the choices
after the unit is installed: Wye Output Transformer and Remote Source Selection.
• Select SYSTEM OPTIONS from the System Settings Menu.
The System Options dialog box is displayed.
• An option is enabled by selecting YES.
• An option is disabled by selecting NO.
Figure 74 System options
Dual Output Breaker
This selection is set at the factory. The choice is set to YES to enable both output breakers (CB3 and
CB3A) when two are installed in the unit. If only one output breaker (CB3) is installed, the setting is
set to NO.