Technical data

Chapter 4: Installation
Section 1
Alarm Connections
Figure 4-11 Alarm Connections
4.5.8 Wiring the System Trouble Connections
The locations of the System Trouble (Trouble Status Output) Connections (TB2) are shown in Figure 4-1. A
magnified view of this area on the motherboard is shown in Figure 4-12.
Wire gauge selection of the system Trouble Status output contact wiring involves consideration of all
factors including, wire length, maximum current capacity, and maximum voltage drop allowable.
The system Trouble Status output contact is Form C, rated for 2.0 amps at 24VDC, resistive load.
For a detail of the system Trouble Status output contact terminal connections (shown in the trouble
position), see Figure 4-12 below.
An external 24VDC or the internal 24VDC connection (TB1) can be used to power Trouble indicating
appliances.
Section 2
System Trouble Connections
Figure 4-12 System Trouble Connections
(Trouble Status Relay Contact)
SP40S Multi-Function Facility Communication System Manual, Revision D
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