EBS LX20B, Инструкция по установке и программированию

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LX20B – Manual Page 51 / 67
then transmits them by one of the available links: GSM/ GPRS/ UMTS/ HSPA/ SMS.
For proper device operation you need to define the parameters described below.
7.9.1. Phone line
This tab is provided to determine settings of telephone line.
7.9.1.1. 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.
7.9.1.2. 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.
7.9.1.3. Monitor external phone line voltage
If transmission with two ways follows, it is necessary that operator of monitoring
system received information on access to an external telephone line. Choice of this
option will result in voltage drop on telephone line (longer that defined minimal time
of decay) that will be signalized with an adequate message sent via GPRS.