3-53
Chapter 3
INSTALLATION AND SETTING PROCEDURES (HARDWARE)
4.3.2. 3-wire system connection
4.3. Speaker Connection
Connect speakers to the speaker output terminal.
Following 3 types of wiring systems are available: 2-wire system where no attenuator is connected, and 3-wire
and 4-wire systems where attenuators are connected.
Failure detection is available if the EOL unit is connected.
Set the use of attenuator and EOL unit on the VX-3000 Setting Software.
(SeetheseparateSettingSoftwareInstructions,"Unitcongurationsetting.")
4.3.1. 2-wire system connection
H
VX-3000F
Shield
Speaker
H
C
Speaker
H
C
RN
H H C
SP
Speaker
H
C
Attenuator (e.g. AT-603P)
VX-3000F
Note
Wheninitializingthesurveillancesettings,thetotalspeakerwattageperlineshouldbe20W(500Ω)ormore.
Lighter speaker load may cause false detection.