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2 User’s Guide P-164000628 P-164000628—Rev 05
Table 1. BPM Positions (Continued)
LINE When the switch is in the LINE position, utility power is directly connected
to the critical load and the output of the UPS is disconnected. In this state
the UPS remains powered, which is often beneficial for troubleshooting,
obtaining logs, or updating firmware.
SERVICE Like the LINE position, the SERVICE position connects the load directly to
AC input power and disconnects UPS output; however, because SERVICE
also disconnects AC input from the UPS, this is the appropriate position for
UPS maintenance or repair. In the SERVICE position, the UPS can be
completely removed from the system.
Bypass Overview
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