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TOSHIBA
4.2 Communication Interface
4.2.1 Remote Contact
The remote contact interface is a standard feature and is available as dry switch contacts
through a DB9 male connector located under the Remote Eye Cover on the front of the UPS
(see Section 4 for location). The following schematic shows the contact state and pin
assignment for each signal and the associated DB9 connector pin-out.
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
Notes:
1) Switches are shown in their inactive states (if battery voltage is low pin 7 will be connected to System
Common).
2) Contacts are resistive loads rated at 30 VDC, 0.1 A (125 VAC, 3 A).
3) Pin 3 is not used.
4200 FA User’s Manual 25