User`s manual

REMOTE COMMUNICATIONS

Remote communications and control may be implemented via the DB-9

communications port. This interface is compatible with the Minuteman

Sentry or PowerMon software. The connector interface is shown below;

Pin Function

1 Unused

2 Transmitted Serial Data from UPS

3 Received Serial Data to UPS

4 AC Fail from UPS (simulated Normally

Open relay contact)

5 Ground

6 Low Battery Warning from UPS

(simulated Normally Open relay contact)

7 AC Fail from UPS (simulated Normally

closed relay contact)

8 AC fail from UPS (High = AC Fail)

9 Remote Shutdown Output to UPS