Huawei ME909u-521 - Reserved Interface; NC Interface

HUAWEI ME909u-521 LTE LGA Module
Hardware Guide
Description of the Application Interfaces
Issue 05 (2017-12-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
46
Figure 3-24 Reference layout
3.12 Reserved Interface
The ME909u-521 module provides some reserved pins. All reserved pins cannot be
used by the customer. All of them must be leave unconnected.
Table 3-13 Reserved pin
Pin No.
Pin
Name
Pad
Type
Description
Parameter
Min.
(V)
Typ.
(V)
Max.
(V)
Comments
9, 10, 16–20, 27,
35, 43–46,
60–70, 73, 75,
79, 91, 92, 102
and 104
Reserved
-
Reserved, must
keep this pin
open
-
-
-
-
-
3.13 NC Interface
The ME909u-521 module has some NC pins. All NC pins should not be connected.
Please keep these pins open.