Bosch ITS-DX4020-G Specifications download pdf (Page 31)

GPRS/GSM IP Communicator Configuration | en 31

Bosch Security Systems, Inc. Installation and Operation Guide F01U133268 | 03 | 2010.05

4.3 Polling Configurations

Plan carefully when selecting the control panel poll time, ACK wait times, control panel

retries, ITS-DX4020-G GPRS ACK timeouts, and D6x00 Receiver poll and ACK wait times.

Having the wrong or improper settings could cause trouble conditions when the network

carrier performs maintenance, and increased data volumes that could effect your monthly

cost. Your settings for these parameters determine how the system works, but depend on the

security level needed.

4.3.1 High Security Application (bank, jewelry store, UL fire, and so on)

Polling times are typically less than 20 min. Path integrity is critical, and short interruptions in

network service are indicated at the premise and central station. The following High Security

Application recommendation assumes the ITS-DX4020-G is the primary communication device

with no backup.

Control Panel Settings

– Poll Rate: 60 sec

– ACK Wait: 13 sec

– Retry Count: 5

ITS-DX4020-G Settings

– GPRS ACK Timeout: ACK wait (13) x Retry Count (5) + ACK Wait (13) = 78 sec

– GPRS Session Timeout: Must be greater than control panel poll time (60 sec) + GPRS

ACK timeout (78 sec). The minimum GPRS session timeout setting is 1 hour; the default

4 hour setting is acceptable.

D6x00 Receiver Settings

– Control Panel Poll Rate: 60 sec

– ACK Wait: 78 sec

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Bosch ITS-DX4020-G Specifications Page 31