6.2 Dry Contact Interface (optional card)
15
Pin # Description I/O Type
DB9 Male Connector Outline
(facing connector)
1 UPS fail, relay contact, normally open, active close. output
2 Summary alarm, relay contact, normally open, active close.
One of the following signals activate this signal:
1) Output fault
2) Bus fault
3) Over temperature
4) Overload
5) Over Charging
6) Battery test fail
7) Charger failure
output
3 GND for secondary
4 Remote shutdown input
5 Common
6 Bypass active, normally open, active close output
7 Battery low, normally open, active close output
8 Battery mode shutdown input
9 Utility fail, normally open, active close output
Table 2 : DryContact Pin Out Signal Chart
6.3 USB Port
Connecting the UPS to a computer using the USB port of the computer requires USB
compliant hardware, PC operating system support, and a UPS driver. The RS232 serial
