Page 12
Connections
GSM vs. GPRS Connections
The PCS250 is connected directly from the serial cable connector
located on the bottom of the unit to the Paradox control panel
using the provided serial cable.
Note:
GSM and GPRS reporting cannot be conducted
simultaneously. To switch reporting methods, connect the serial
cable to the control panel’s Serial or E-bUS connector and then scan
the module. Refer to your Paradox control panel documentation for
more information on scanning modules.
Figure 2: GSM and GPRS Serial Connections
Optional Power Supply Connections
The PCS250 is designed to be powered by the control panel.
However, if you want the PCS250 to function even if the control
panel battery is low, or if power failures are anticipated, an
external power supply with a backup battery (such as the PS817)
can be used. For more information on connecting to an external
power supply visit paradox.com.
VDMP3 Connection
(Optional - GSM mode only)
The Paradox Voice Module (VDMP3) can send pre-recorded voice
messages on up to eight phone numbers to report alarms via the
GSM cell phone network. This is done by mounting the VDMP3
directly on the PCS250 GPRS/GSM Communicator Module,
enabling the VDMP3 to dial out using the GSM cell phone
network. With the VDMP3 mounted onto the PCS250, the end
user can also arm/disarm, request system status, and control
PGMs from any telephone.