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10
AVR-8 Installation and Operation Manual
INSTALLATION
POLLING
Relays: Enter the relay number followed by “9”. The relay message fol-
lowed by “ON” or “OFF” will be spoken.
Inputs: Enter the input number followed by “8”. The input message will be
spoken, followed by “ON” or “OFF” depending on the current state of the
input. If the input is normally closed and it is in an open state when you poll,
it will respond with “ON”. If it is normally open and is closed when you poll
it, the respond will speak “ON”.
MONITORING THE AUDIO INPUT
To monitor audio on the balanced input, the AVR-8 must first have been unlocked
by entering the access (security) code. Then enter 77. The audio will be un-muted
for about 6 seconds.
OPEN COLLECTOR OUTPUTS
The following are Open Collector outputs that go active low:
Tone
When any valid DTMF tone is detected.
Alarm
When any alarm input is activated. It will stay low until the alarm is
acknowledged.
Access
When a valid access (security) code has been received.
Ring
When a ring signal is detected on the phone line.
Off Hook
This is the same output that drives the hook relay. There will be
DC
about 15 volts DC present on this pin when on-hook. It will go active
low
when in an off-hook state.
