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Chapter 3
INSTALLATION AND SETTING PROCEDURES (HARDWARE)
8.4.2. 3-wire system connection
8.4. 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.
(See the separate Setting Software Instructions, "Unit conguration setting.")
Note
When using Ch4 of the VX-3004F as a standby amplier, never connect speakers to the speaker output
terminals 4A and 4B.
8.4.1. 2-wire system connection
H
VX-3000F
Shield
Speaker
H
C
Speaker
H
C
RN
H H C
C NO NC
C
SP
Speaker
H
C
Attenuator (e.g. AT-603P)
VX-3000F
Note
When initializing the surveillance settings, the total speaker wattage per line should be 20 W (500 Ω) or more.
Lighter speaker load may cause false detection.