Status Leds - MTX -3G-JAVA series User Manual

5.5 Status LEDs
The MTX‐3G‐JAVA modem family has a bicolor status LED (green and red).
The green color LED is handled automatically by the modem and indicates its different operating
modes, as shown in table below. The LED mode configuration is set by the AT^SLED command.
Terminal status

GSM CS data call in progress or established

GSM voice call in progress or established

UMTS voice call in progress or established

UMTS CS data call in progress

GSM PS data transfer

UMTS data transfer

ME registered to a network. No call, no data
transfer

Limited Network Service (e.g. no SIM, no PIN or
during network search)
The red color LED (not available in ULP modes) is connected to the GPIO5 in the base MTX‐3G‐JAVA
modem and 485 models, and to the GPIO6 in all other models (shared with an OUT4 optoisolated
output). This allows the user to define the functionality of this LED by issuing AT commands or
through a Java embedded code (see Section 4.4.5).
www.mtx‐terminals.com
<mode>=1
Permanently ON
Permanently ON
Permanently ON
500ms ON
500ms OFF
www.mtxm2m.com
MTX M2M® by MATRIX ELECTRONICA S.L.U
MTX‐3G‐JAVA Family
<mode>=2 <mode>=2
<flash>=default <flash>=user defined
10ms ON <flash> ms ON
990ms OFF 990 ms OFF
10ms ON <flash> ms ON
1990ms OFF 1990 ms OFF
10ms ON <flash> ms ON
1990ms OFF 3990 ms OFF
10ms ON <flash> ms ON
990ms OFF 990 ms OFF
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