8.9. PHONE LINE
The device is equipped with a PSTN phone line connector. It may be used to transmit
data from an alarm control panel. Additionally transmitter may collect information
from an control panel using its a phone communicator, and next transmit them via
PSTN/GPRS/SMS link. For proper operation, define the parameters described below.
8.9.1. Phone line settings
This tab is provided to determine settings of telephone line.
8.9.1.1. Use external phone line
If this function has been chosen (Activation) the transmitter will be cooperating with
PSTN line. This way data transmission is possible from an alarm control panel with
two ways: via GPRS link and standard telephone line.
8.9.1.2. Disconnect external phone when server connected
If enabled, PSTN line will be disconnected from T1-R1 port when connection with the
server is established. If events registered by the alarm control panel are supposed to
be sent by GPRS, this option can be used to separate external line from the alarm
control panel.
8.9.1.3. Monitor external phone line voltage
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