Typical Falcon Opto-coupler Interface Card

PIN ASSIGNMENT FOR THE FALCON

UA88373 OPTO-COUPLER OPTION BOARD

(no-bypass signal)

PINDESCRIPTION

1Not Used

2Utility Loss (N.O.) (Closes upon utility loss)

3Utility Loss (N.C.) (Opens upon utility loss)

4Common for pins 2, 3 & 5

5Low Battery (N.O.) (Closes at low battery)

6Remote Shutdown

Applying a +5-+12Vdc voltage level for >500ms, while the UPS is on battery will shutdown the

UPS

7Not Used

8Not Used

9Not Used

OPTO Board Internal Circuitry

 

 

Utility Loss

 

(E) (B)

(K)

 

 

 

 

 

DB-9

(C)

(A)

6

 

 

2

 

 

7

 

 

 

To CPU

 

8

3

 

 

 

 

4

 

 

 

 

 

 

5

Alarm Signal

Low Battery Signal

17