Bosch ITS-DX4020-G Specifications download pdf (Page 41)

GPRS/GSM IP Communicator Troubleshooting | en 41

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

7 Troubleshooting

7.1 Diagnostic LED Descriptions

Table 7.1 Diagnostic LED Functions

Refer to the LED descriptions shown in Table 7.2, Page 44 before performing any

troubleshooting procedures.

LED Function

STATUS Indicates the overall health of the device.

– ON: Normal operation.

– Flash: A trouble condition exists.

– OFF: No power to the device.

When the LED DIS jumper pins are first shorted, the STATUS LED flashes

the firmware version. After that, the STATUS LED flashes once every 4

sec to indicate that the ITS-DX4020-G is powered up.

CELL IP Indicates the IP connection status.

– ON: The ITS-DX4020-G is connected to the central station receiver

through the GPRS network.

– Flash: The ITS-DX4020-G is connected to the GPRS network, but

not to the central station receiver.

– OFF: The ITS-DX4020-G is not connected to the GPRS network.

AUDIO ACT Indicates the PSTN connection status.

– ON: The PSTN connection is currently in use (off-hook).

– OFF: The PSTN connection is not in use (on-hook).

SS1, SS2, SS3 These LEDs indicate the wireless signal strength of the ITS-DX4020-G.

Refer to Table 3.1, Page 17 for more information.

BUS Indicates bus connection status.

– ON: Active communication exists between the ITS-DX4020-G and

the control panel.

– Flash: The ITS-DX4020-G is initializing, or a problem exists with the

bus connection to the control panel.

– OFF: The ITS-DX4020-G is not configured for bus communication.

NOTICE!

If the ITS-DX4020-G is setup for GPRS (IP) communication and the STATUS LED is single

flashing and the CELL IP LED is off for more than 2 minutes, do the following.

– Verify that the ITS-DX4020-G has proper signal strength

– Verify the APN, user name, and password provided by the carrier. If these are correct,

check with the carrier to make sure your account is set up in their system. If a user name

and password are required, verify with the carrier that these are correct in their system.

NOTICE!

When the LED DIS jumper is applied, the STATUS LED flashes at a slower 4 sec interval to

save power. The flashes do not indicate a trouble condition.

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Bosch ITS-DX4020-G Specifications Page 41