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External amplifier and vs-900rs connection, 0 db = 1 v – Toa VS-900 User Manual

Page 34

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34

12.6.2. External amplifier and VS-900RS connection

1-core shielded cable

1 twisted pair cable

VS-900RS

CN1

CN5

Voice output

Voice input

HOT
GND

(For paging amplifier)

Paging amplifier *

1

GND

COM

COM

25V

70V

4

Ω

HOT

INPUT

OUTPUT

Front view of
the circuit board

Electrical characteristics of the CN5 connector

Voice output: Unbalanced, –20 dB*

2

signals to be sent to a paging amplifier

Voice input: Balanced, acceptable signals on the 25 V line output from a paging amplifier

*

1

Rated at over 16 W power output (ex. BG-130 30 W amplifier)

*

2

0 dB = 1 V