Huawei ME906s LTE M.2 - LED# Pin; W_DISABLE# Pin

HUAWEI ME906s LTE M.2 Module
Hardware Guide
Description of the Application Interfaces
Issue 05 (2019-03-25)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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3.4.4 LED# Pin
ME906s provides an open drain signal to indicate the RF status.
Table 3-5 State of the LED# pin
No.
Operating Status
LED#
1
RF function is turned on
Output Low, current sink
2
RF function is turned off
Output High
Figure 3-12 shows the recommended circuits of the LED# pin. The brightness of LED
can be adjusted by adjusting the resistance of the series resistor, and the maximum
sink current is 40 mA.
Figure 3-12 Driving circuit
3.4.5 W_DISABLE# Pin
ME906s provides a hardware pin (W_DISABLE#) to disable or enable the radio. In
addition, the radio can also be enabled or disabled through software AT commands.
Table 3-6 Function of the W_DISABLE# pin
No.
W_DISABLE#
Function
1
Low
WWAN function will be turned off.
2
High
WWAN function is determined by software AT
command. Default enabled.
3
Floating
WWAN function is determined by software AT
command. Default enabled.