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4200FA Installation and Operation Manual 35
Remote Contact 6.5
A remote contact interface is a standard feature on the Premium and Seismic units, and is available as
dry switch contacts through a DB9 male connector located on the front of the UPS.
Figure 6-9 shows the contact state and pin assignment for each signal and the associated DB9 connector
pin out.
Figure 6-9 DB-9 Pin Assignments
Notes:
1) Pin “switches” are shown in their inactive states. Example: (if battery voltage is low, pin 7 will
be connected to System Common).
2) Contacts are rated at 30 VDC, 0.1 amps; 125 VAC, 3 amps.
3) Pin number “3” is not used.
5 System Common
6 Bypass Active
Fault Signal Detect
1
2
8 UPS On-line
7 Battery Voltage Low
Battery Discharge
9
4
DB9 Male Connector Outline
(Facing connector)
1 2 3 4 5
6 7 8 9
WARNING
50kVA LT units: Only Authorized Personnel may access the remote
contact DB-9.