1
Contents
Introduction.................................................................................................................2
1. Getting to Know Your Fortress.............................................................................4
2. Startup .....................................................................................................................6
3. Lights and Display..................................................................................................9
3A. Lights ..............................................................................................................9
3B. Display ..........................................................................................................11
5A. CheckUPS Software .....................................................................................14
5B. Communication Modes.................................................................................14
5C. RS232 Communication Mode ......................................................................15
5D. Extended Signal Communication Mode ......................................................16
5E. Remote Shutdown.........................................................................................16
6A. Silencing Alarms ..........................................................................................17
6B. Reacting to Alarms .......................................................................................17
6C. Alarm Table ..................................................................................................18
7A. Customer Support.........................................................................................20
7B. Troubleshooting Table ..................................................................................20
7C. Replacing the Fuse .......................................................................................22
7D. Replacing the Batteries.................................................................................22
7E. Changing the Fortress’ Sensitivity to Power Problems................................25
7F. Changing the Fortress’ Baud Rate ................................................................27
8A. General Specifications..................................................................................27
8B. 100-volt and 120-volt Specifications ...........................................................28
8C. 220/230/240-volt Specifications...................................................................29
8D. Runtime Table ..............................................................................................29
9. Warranty ...............................................................................................................30
Index...........................................................................................................................33
Best Power makes no claim on trade names of application products mentioned in this
publication. Best Power’s trademark ownership extends to its own products only. Best
Power reserves the right to change specifications without prior notice.
Listed models available:
FSS-0387A
© 1996-1997 Best Power. All rights reserved.