Toshiba 4200FA CT/XT User Manual

 

 

 

This interface is a standard feature and is available as dry switch contacts through a DB9 

 

male connector located on the front of the UPS.  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        

 

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. 
 

4200FA CT/XT User’s Manual 

 

 

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