Pyronix PCX 78, Installation Manual, Page: 29 / 100

The telecom ground terminal (TE) should always be connected to earth in order to maximise
the effectiveness of the transient voltage protection on the unit.
Turn off the mains power before disconnecting the PSTN modem.
A and B terminals: Telephone line output for connection to analogue PSTN telephone line.
A-1 and B-1 terminals: Telephone line output for connection to other telecom equipment.
GPRS Modem (DIGI-GPRS)
The GPRS modem card (DIGI-GPRS) fits inside the PCX. Besides communications with the
PyronixCloud and Home App, it has the following operations:
• Send Alarms to the ARC: With the DIGI-GPRS it is possible to send alarm events the monitoring
station via Contact ID IP, SMS Contact ID and SIA IP protocols.
• Send SMS Alarms to the user: With DIGI-GPRS it is possible to send SMS alarm messages to the
user.
• Program the panel remotely via the PyronixCloud.
• Line Fault Detection: This is programmable in the PROGRAM TIMERS? menu. It is timed in
minutes and is the Line Fault Delay option.
The supplied antenna will need to be connected to the DIGI-GPRS and placed in a suitable area
where the signal strength at its maximum. Do not stick the self-adhesive antenna onto the metal
enclosure of the PCX.
Table 11 - GPRS status LEDs
Signal Strength OFF = No signal strength
Signal Strength ON = Signal strength 50%
Signal Strength ON = Signal strength full
Green pulsing Communicating with network
Orange on When making a call
PCX Installation Guide 102017852 - V01 29