6.2
Dry Contact Interface (optional card)
DB9 Male Connector Outline
(facing connector)
Pin #
1
UPS fail, relay contact, normally open, active close.
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
3
GND for secondary
4
Remote shutdown
5
Common
6
Bypass active, normally open, active close
7
Battery low, normally open, active close
8
Battery mode shutdown
9
Utility fail, normally open, active close
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
Description
Table 2 : DryContact Pin Out Signal Chart
15
I/O Type
output
output
input
output
output
input
output