Usb Port - Huawei eA680-950 User Manual

eA680-950 LTE DAU
User Guide

1.7.2 USB Port

In normal cases, the USB port works in slave mode. In slave mode, the USB port will be
mapped to a computer UI after the Huawei-provided chip driver is installed on the computer.
This UI is locked by default. You can run other AT commands and write data to the SoftSim
card only after running the unlock command. After the serial port mapped by the USB is
connected successfully, run the unlock command.
The commands for unlocking the computer UI port and changing the unlock password are as
follows



When the PC UI is unlocked, you can run commands to unlock other USB ports or AT
commands to map the ports in the following table.
Port Mapping Name on
the Computer
HUAWEI Mobile Connect -
PC UI Interface
To learn more about AT commands, contact your device vendor or the maintenance center.
The chipset driver supporting the USB interface is the host driver that supports Huawei
Balong V7R1. If you need it, contact Huawei.
Issue 01 (2017-03-03)
at^PCPORT="pwd",1: Enable the computer UI. pwd indicates the unlock password.
at^PCPORT="pwd",0: Disable the computer UI. pwd indicates the unlock password.
at^PORTPWD="oldPwd","newPwd", "newPwdConf": Change the unlock password of
the computer UI. Here, oldPwd indicates the current password, and newPwd the new
password, and newPwdConf the confirm password. newPwd must be the same as
newPwdConf; otherwise, the password cannot be changed.
The default unlock password is $Zls123Q.
To improve security, change the default USB unlock password at your first login and regularly change
the password.
A password must meet the following rules:
 A password consists of at least eight characters.
 A password contains at least three types of characters of the following:
−
Lowercase letter
−
Uppercase letter
−
Digit
−
Special characters, including the space character and the following:
`~!@#$%^&*()-_=+|[{}];:,<.>?
 The password cannot be the user name or the reverse order of the user name.
A password cannot contain more than two consecutive characters that are the same (for example, 111

is not allowed.)
 The maximum number of unlock the USB port attempts is five. After five attempt failures, users
cannot input any key. Users have to restart the device.
 The maximum number of password change attempts is five. After five attempt failures, the USB
ports will be locked.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Port Usage
Used to run AT commands.
1 Overview
Port Number
0x12(the actual computer
port prevails)
11