Specifications
Installation and Operation Manual  Appendix  A Pinouts 
Optimux-34 Ver. 2.81  Alarm Connector  A-3 
A.3  Alarm Connector 
The Optimux-34 ALARM connector is a 9-pin female connector, which includes 
three contacts for each of the alarm relays. 
Figure 
A-2
 shows the pin functions. 
The relay positions are shown in the non-energized (alarm active) state. 
MINOR ALARM RELAY
MAJOR ALARM RELAY
MAJOR-NO
MAJOR-NC
MAJOR-COM
MINOR-NO
MINOR-NC
MINOR-COM
ALARM CONNECTO
R
1
2
6
4
5
9
Figure 
A-2. Alarm Connector Wiring 
The pin assignment of the Alarm connector is depicted in 
Table 
A-3.
Table 
A-3. Dry Contact Alarm Connector Pin Assignment 
Pin Number  Pin Name  Pin Description 
1  MINOR alarm 
Normally Open 
Connected to Pin 6 when Minor alarm is OFF 
(MINOR alarm relay is active). 
2  MINOR alarm 
Normally Closed 
Connected to Pin 6 when Minor alarm is ON 
(MINOR alarm relay is not active). 
3 No Connection Unused 
4 MAJOR alarm  
Normally Open 
Connected to Pin 9 when Major alarm is OFF 
(MAJOR alarm relay is active). 
5 MAJOR alarm  
Normally Closed 
Connected to Pin 9 when Major alarm is ON (MAJOR 
alarm relay is not active). 
6  MINOR alarm 
Common Pin 
See Pin 1 and 2 descriptions. 
7 No Connection Unused 
8 No Connection Unused 
9 MAJOR alarm  
Common Pin 
See Pin 4 and 5 descriptions. 










