External Alarm Cabling; Figure 81: Mts Lite Junction Panel Alarm Wiring Connection; Figure 82: Mts 2 Junction Panel Alarm Wiring Connection - Motorola MTS LiTE Installation, Configuration And Basic Service Manual

6802800U74-AN
Chapter 4: Hardware Installation
4.11

External Alarm Cabling

The MTS supports the following alarm inputs and control outputs in all configurations:
• 15 opto-isolated 12 V alarm inputs
- Alarm inputs and Alarm ground are floating
• External alarms are connected to an External Alarm 2-16 port and one of the 6 GND (Alarm) ports
• The 6 GND (Alarm) ports are connected internally
• External alarm voltage (open) = 12 V typical
• External alarm current (short circuit) = 8 mA typical
• Control output 1 (2 pins) = alarm relay (Normally Open and Common contacts)
• Control output 2 (2 pins) = alarm relay (Normally Open and Common contacts)
The alarms/outputs connections are located on the junction panel.
NOTICE:
Figure 82: MTS 2 Junction Panel Alarm Wiring Connection on page 138
83: MTS 4 Junction Panel Alarm Wiring Connection on page 139
the MTS Junction Panel. There may be small differences in older configurations.

Figure 81: MTS LiTE Junction Panel Alarm Wiring Connection

Figure 82: MTS 2 Junction Panel Alarm Wiring Connection

13
8
depicts the newer version of
User Alarms / Controls
User Alarms/Controls
and Figure