User's Manual

Table Of Contents
4005 Series 11
of the Communicator, open the cover and check that the SMS and / or voice message is sent to the programmed telephone num-
bers and the output is enabled.
Status LEDs
There are 8 LEDs on the PCB that indicate the Communicator status.
During start-up, all LEDs will be ON less 1 second. During the programming default procedure, LEDs and will be
OFF while the LEDs and will be ON.
LED Colour Name Description
Green/Yellow GSM signal strength Packet Service Network Type (see Table 4).
GSM Signal Strength (see Table 5).
Communication Type (see Table 6).
Red Fault See Table 7
Yellow Line Status ON: the communicator has switched on simulated PSTN.
Slow flashing: OFF-Hook and voice message transmission.
G Green GSM Network Status LED for technical support.
ACT Green USB ON: HOST.
OFF: DEVICE.
Slow flashing: error.
Fast flashing: activity.
Table 3: Status LEDs.
LED Colour Packet Service Network Type
Green GPRS or EGPRS
Yellow WCDMA, HSDPA or unknown (only 3G versions)
Table 4: Packet Service Network Type.
GSM Signal Strength
OFF OFF NO GSM network available.
OFF ON GSM signal low
ON ON GSM signal High.
Table 5: GSM Signal Strength.