EPX400-xC – Manual
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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.
Note:
The transmitter is to simulate a telephone line access if:
o
A PSTN line is not connected
o
A PSTN line is connected but has not been activated – option from clause
8.9.1.1. Use external phone line
o
Options from clause 8.9.1.1 and 8.9.1.3 are active and voltage on terminals
TIP-RING decreased below 8V.
8.9.1.4.
Report off-hook condition
If a phone set is connected in parallel output of control panel communicator (to
terminals T1-R1 of transmitter), picking up of a phone prevent from exchange of data
between an control panel and a transmitter. There is possibility to control this
situation. Choice of this option result in sending a report to monitoring station if time
of picking up the phone exceeds determined time limit.
8.9.1.5.
Report intervals between dialled digits
This option is being used if in configuration “PSTN line – EPX400 – Alarm Control
Panel” there are not other telecommunication devices. If such device will be
connected and telephone number will be dialled (and a call will follow) after expiry
defined time limit (counted since conclusion of last digit dialling) the transmitter
sends a message. This operation prevents unauthorised installation of additional
devices.
8.9.1.6.
Generate dial tone
Some alarm control panels require that during a receiver picking up a tone of dialling
was actuated. To enable cooperation with a transmitter it is possible to make a
transmitter to generate such tone.
8.9.1.7.
Enable non-volatile control panel messages FIFO
Selecting this setting protects events waiting to be sent (e.g. in case of restart or
power loss). They are stored in non-volatile memory.
If you select „Enable non-volatile control panel messages FIFO”:
o
The message received from the control panel and the time of message
reception are stored in non-volatile memory and next reported to OSM server.
o
Command FLUSH=4, deletes only the events stored In the non-volatile
memory and generates the event EVENT_FIFO_FLUSHED.
If you don’t choose „Enable non-volatile control panel messages FIFO”:
o
The message received from the control panel is stored in volatile memory. The
reception time is not stored. The message and sending time from the
transmitter are reported to OSM server.
o
Command FLUSH=4, deletes only the events stored in volatile memory and
generates the event EVENT_FIFO_FLUSHED.
Regardless of choosing the option „Enable non-volatile control panel messages
FIFO”:
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