LDA Audio Tech LDAVAP1, User Manual

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2.3.1 PA SYSTEM INPUT/OUTPUT
The equipment has two connections for distributed elements in Public Address Systems. It
consists of a line level audio input plus control signals for connecting up to 8 devices in bus mode
"daisy chain", where each device is connected to the next. Both connections are identical and are
interconnected. The ACSI bus supplies remote power to the equipment, see 2.2.8.
The connection is via ethernet cable, T568B standard. The maximum distance of
connection for the entire bus is 1000m (3280ft).
Mark Description Type Signals Activation
BUS
ACSI
Line level balanced audio
Control bus and supply
I/O
Protocol
N/A
Table 1: ACSI Bus Connection
NOTE: This connection is not compatible with standard ethernet electronic.
2.3.2 EXTERNAL POWER SUPPLY/UPDATE INPUT
The unit has an input for auxiliary power supply. Emergency stress is continuous and has a
nominal value of 5V that will be externally supplied to the computer using a USB charger provided
with the machine. MiniUSB female connector.
LDA Audio Tech - Severo Ochoa, 31- 29590 MALAGA, SPAIN. Tel: +34 952028805 www.lda-audiotech.com/en
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User’s Manual: VAP 1
Illustration 5: Inputs and outputs
Illustration 6: ACSI Bus
Connection