Check Signal Strength - Bosch Conettix ITS-DX4020-G Installation And Operation Manual

16 en | Installation
3.5

Check Signal Strength

Apply power to the ITS-DX4020-G and wait 30 sec. Depending on the SIM card used, first-time
registration might take up to 3 minutes to complete. If any LEDs have a double flash, refer to
Table 7.2, Page 43 and proceed when the double-flash problem is resolved.
Check the signal strength LEDs (SS1, SS2, and SS3):
–
–
Refer to Table 3.1 for signal strength levels.
Signal Strength
Unacceptable: no reading available
(modem is resetting or registering)
Attempting to register on the GSM
network.
Unacceptable: < -89 dBm
Marginal: -89 dBm to -83 dBm
Good: -83 dBm to -77 dBm
Very good: -77 dBm to -69 dBm
Excellent: > -69 dBm
Table 3.1 Signal Strength Levels
F01U163066 | 01 | 2010.05
If the signal strength is good or higher (refer to Table 3.1, Page 16), proceed to
Section 4 Configuration, page 17.
If the signal strength is unacceptable or lower (refer to Table 3.1, Page 16), check the
installation site for possible causes of signal interference.
Installation and Operation Guide
GPRS/GSM IP Communicator
LED
SS1 SS2 SS3
Off Off Off
Flash Off Off
On Off Off
On Flash Off
On On Off
On On Flash
On On On
Bosch Security Systems, Inc.