83
MTX-Java-IoT | 2018/2
MTX © by MATRIX ELECTRONICA S.L.U.
SUPPORT:
SALES:
mtxm2m.com
3. Status LEDs
The MTX-Java-IoT modem family has a tricolor status LED (blue, 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
<mode>=1
<mode>=2
<flash>=def.
<mode>=2
<flash>=user
defined
• GSM CS data call in progress/established
• GSM voice call in progress/established
• UMTS voice call in progress/established
• UMTS CS data call in progress
Permanently
ON
10ms ON
990ms OFF
<flash> ms ON
990 ms OFF
• GSM PS data transfer
• UMTS data transfer
Permanently
ON
10ms ON
1990ms OFF
<flash> ms ON
1990 ms OFF
• ME registered to a network. No call, no
data transfer
Permanently
ON
10ms ON
1990ms OFF
<flash> ms ON
3990 ms OFF
• Limited Network Service (e.g. no SIM, no
PIN or during network search)
500ms ON
500ms OFF
10ms ON
990ms OFF
<flash> ms ON
990 ms OFF
The blue and red color LEDs can be controlled independently by the user. This allows to define the
functionality of this LED. You can configure both LEDs in the following way:
• Permanently OFF
• Permanently ON
• Fast blink: 60ms ON, 60ms OFF
• Medium blink: 500ms ON, 500ms OFF
• Slow blink: 1000ms ON, 1000ms OFF
• Pulse: 100ms ON, 900ms OFF
To learn how to use these LEDs please read the MTX-Java-IoT Family Software Manual.