Xtreme Power Conversion Corporation
E91 User’s Manual
Page 9
Uninterruptible Power Supply
1. RS-232 communication port (only for firmware updates)
2. USB communication port
3. Emergency power off function connector (EPO connector)
Note: Keep the EPO connector closed for UPS normal operation.
To activate EPO function, please remove the jumper
4. Share current port
5. Parallel port
6. Intelligent slot
7. External battery connector
8. Line input circuit breaker/switch
9. Maintenance bypass switch
10. Input/Output terminal (Refer to the diagram for the details)
11. Line input terminal
12. Output terminal
13. Input grounding terminal
14. Output grounding terminal
15. Bypass input circuit breaker/switch
16. Bypass input terminal
17. Output circuit breaker