MGE UPS Systems 30A User Manual

Page of 30
 34020113EN/AA 
- Page 29
6. Appendix
6.3 Glossary
Alternate source
Backup source that steps in if the preferred source fails.
JBUS communication card
Internal card implementing the JBus protocol on a serial link to supply the user with
system information.
Load
Device(s) or system(s) connected the Upsilon STS output.
Manual bypass
Q1BP, Q3 and Q2BP switches, accessible to the user, that may be used to directly
supply the load from Source S1 or S2. The bypass enables servicing on the equipment
without interrupting the supply of power to the load.
Normal mode
Operating mode during which the load is supplied by the preferred source.
Preferred source
Source selected as the normal source of power.
Relay communication card
Internal card implementing contacts to supply the user with system information.
Static switch
Electronic switch ensuring instantaneous switching.