ZyXEL Communications MSC1024G Series User Manual page 993

Table 359 ALARM Connector Pin Assignments
PIN DESCRIPTION
1 Common pin for alarm input 1
2 Common pin for alarm input 2
3 Common pin for alarm input 3
4 Normal close for minor alarm output
5 Normal open for minor alarm output
6 Common pin for major alarm output
7 Normal close for critical alarm output
8 Normal open for critical alarm output
9 Normal close for alarm input 1
10 Normal close for alarm input 2
11 Normal close for alarm input 3
12 Common pin for minor alarm output
13 Normal close for major alarm output
14 Normal open for major alarm output
15 Common contact for critical alarm output
MSC1000G/1024G/1224G Series User's Guide
Chapter 40 Product Specifications
993