Copyright © Murata Manufacturing Co., Ltd. All rights reserved. 2018
Type 1SC EVK User Guide, v1.3, 5/4/2020
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5
INDICATION AND SERVICES
5.1 Optical Indicators
The EVB has 3 LEDs which serve as status indicators. Their locations on the EVB are shown below.
Figure 9 LED locations on EVB
5.1.1
LED1: PMU_EXT_ALARM status
LED1 shows the power save mode status of the module. It is on whenever the module is not in one
of the low power sleep states.
5.1.2
LED2: PWM3 status
LED2 is the status of the PWM3 pin.
5.1.3
LED3: SMA / ANT select status
LED3 indicates the antenna selection status: ON if the SMA connector is connected to the LTE RF
path; OFF if the RF is routed to the onboard antenna. By default, the SMA connector is selected.
5.2 Services
The EVB has four push buttons which can be used to reset the module or place it in recovery mode.
Figure 10 Button locations on EVB
LED3
LED2
LED1
SW2
SW3
SW1
SW4
