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Connecting Telephones
Connect analog telephone(s) to the modular jack labeled “PHONE”
on the C3 unit. If a PSTN landline isn’t present, the GSM network
can be used as the primary telephone service.
TELEPHONES
TO ALL HOUSE
JACK(S)
PHONE
HOUSE
RJ11
Primary GSM service without a security system
GREEN(+)
RED(-)
GREEN(+)
RED(-)
RJ11
JACK(S)
PHONE
HOUSE
TO SECURITY PANEL
Primary GSM service with a security system
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