SMC Networks SMC TigerAccess SMC7824M/ESW - Manual (Page 54)

I
NSTALLING THE
S
WITCH
3-16
Wiring Map for Alarm Cable
The signals include relay contacts for major and minor system alarms, and
external alarm inputs.
Table 3-2 Alarm Cable Wiring
Switch’s Alarm Port Function
1 (MJR_ALARM_CNTR) Common contact for major alarm relay.
2 (MNR_ALARM_CNTR) Common contact for minor alarm relay.
3 (ALARM_IN3_EXT_P * )
* P indicates positive input.
External alarm input 3 (external relay dry
contact closure to pin 13).
4 (ALARM_IN4_EXT_P) External alarm input 4 (external relay dry
contact closure to pin 8).
5 (No Contact)
6 (MJR_ALARM_NO) Normally open during major alarm state.
7 (MNR_ALARM_NO) Normally open during minor alarm state.
8 (ALARM_IN4_EXT_RTN † )
† RTN indicates return to Ground.
External alarm input 4 (external relay dry
contact closure from pin 3).
9 (ALARM_IN1_EXT_P) External alarm input 1 (external relay dry
contact closure to pin14).
10 (ALARM_IN2_EXT_P) External alarm input 2 (external relay dry
contact closure to pin 15).
11 (MJR_ALARM_NC) Normally closed during major alarm state.
12 (MNR_ALARM_NC) Normally closed during minor alarm state.
13 (ALARM_IN3_EXT_RTN) External alarm input 3 (external relay dry
contact closure from pin 3).
14 (ALARM_IN1_EXT_RTN) External alarm input 1 (external relay dry
contact closure from pin 9).
15 (ALARM_IN2_EXT_RTN) External alarm input 2 (external relay dry
contact closure from pin 10).