Bosch ITS-DX4020-G, Installation And Operation Manual

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GPRS/GSM IP Communicator Overview | en 9
Bosch Security Systems, Inc. Installation and Operation Guide F01U163066 | 01 | 2010.05
2.3 Modes of Operation
The ITS-DX4020-G supports two modes of operation. Refer to Table 2.1 and Table 2.2 for
descriptions of each mode.
Table 2.1 IP over GPRS Mode of Operation
Table 2.2 PSTN over GSM Mode of Operation
NOTICE!
The IP over GPRS Mode requires a data plan enabled SIM from a cellular provider.
NOTICE!
Depending on system configuration, the local Authority Having Jurisdiction (AHJ) might
require you to connect the control panel’s phone line for communication with the central
station receiver.
IP over GPRS (General Packet Radio Services) Mode
Overview:
This mode provides a wireless IP connection over the GPRS network.
The control panel supervises the communication path through the ITS-DX4020-G either by
control panel heartbeats, or by periodic test reports.
Wiring connections:
Connect the bus terminals on the control panel and the ITS-DX4020-G.
Refer to Figure 3.3, Page 14 .
Supported control panels:
Refer to Section 1.4 Control Panel Compatibility, page 6 .
PSTN (Contact ID) over GSM
Overview:
This mode:
– Provides a GSM dial-out option for installation sites where GPRS service is not
available or a Conettix receiver is not available
– Supports only the Contact ID reporting format
NOTICE: For control panels that detect a dial tone before dialing, disable dial tone
detection. The ITS-DX4020-G supplies phone voltage of 22 - 25 VDC and US dial tone
frequencies (350 Hz+ 440 Hz).
Wiring connections:
Connect the R (Ring) and T (Tip) phone terminals from the control panel to the PNL/PSTN
terminals on the ITS-DX4020-G.
Refer to Figure 3.4, Page 15
Supported control panels:
All. Refer to Section 1.4 Control Panel Compatibility, page 6 .