HUAWEI 30 mm x 30 mm LGA Module
Development Kit Guide
Installation and Use Guide
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Figure 2-10 Turning S701 to the "ON" position
You must lift the switch first and then you can turn the switch to "ON".
Step 8 Press and hold the POWER_ON_OFF button (silk-screen is PWRON KEY) for more
than 0.5s to power on the module. Besides, the module can be automatically
powered on when the POWER_ON_OFF signal of SW601 is toggled to "ON" side
(about the details, you can refer to section 3.3.10 ).
Figure 2-11 Powering on the module
Step 9 Connect the RS-232 serial cable to the DB9 port on the DVK directly. And the module
can communicate with the host computer through UART.
The DVK supports 3 UART ports but the module may not support all the UART ports. For
example, MC509 and MU509 series module only support UART0; MU609 module supports
UART0 and UART1 but not UART2. For details, you can refer to module's hardware guide.
S701
ON
Before turn S701 to "ON",
you must lift it first.
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