Vertiv Liebert STS2 - Audible Alarm

Vertiv™ | Liebert® STS2/PDU
™
User Manual | Rev. 6 | 10/2017 74
9.2.5 Audible Alarm
An audible alarm is installed on the control board. This alarm is triggered by an alarm condition detected on the
unit. The alarm can be turned off from the touchscreen. Turning off the audible alarm does not clear or reset the
condition that triggered the alarm.
9.2.6 RS-232 Port
An RS-232 serial port is provided to allow an external terminal to be connected as another user interface. See
12.1 - Using the RS-232 Port for more information.