Huawei 目录 (Contents) Module CMUX Application Guide (V100R001 04, English)

2015-08-20

• Revision History
• Scope
• 1 Introduction
  • 1.1 Audience
  • 1.2 Related Documents
• 2 Overview
  • Figure 2-1 General architecture
  • 2.1 Implementation Features
  • 2.2 Key Highlights of Huawei CMUX Application
• 3 Serial Multiplexer Protocol
  • 3.1 CMUX Frames Structures
    • Figure 3-1 Frame structure for basic option
    • 3.1.1 Flag Field
    • 3.1.2 Address Field
      • Table 3-1 Format of Address Field
    • 3.1.3 Control Field
    • 3.1.4 Information Field
    • 3.1.5 Length Indicator
      • Table 3-2 First byte of length field
      • Table 3-3 Second byte of length field
    • 3.1.6 Frame Check Sequence
  • 3.2 UIH Control Channel Frame Coding
    • Figure 3-2 Detailed figure of information field
    • 3.2.1 Multiplexer Close Down
    • 3.2.2 DLCI Parameter Negotiation
    • 3.2.3 Non Supported Command Response (NSC)
    • 3.2.4 Modem Status Command (MSC)
    • 3.2.5 Flow Control On Command (FCon)
    • 3.2.6 Flow Control Off Command (FCoff)
    • 3.2.7 Power Saving Command (PSC)
    • 3.2.8 Service Negotiation Command (SNC)
  • 3.3 UIH Data Channel Frame Coding
• 4 CMUX Functional Description
  • Figure 4-1 The CMUX functionality
  • 4.1 Establish CMUX Session
    • Step 1 First of all, the user application (the host) must force the connected module in multiplexed mode which is done by sending AT+CMUX command and the target (Huawei board) responds with OK.
    • Step 2 Secondly SABM frame is sent for DLC0 by the host and the target responds with UA frame informing the user that the DLCI is established.
    • Step 3 DLC0 (control channel) is the first channel established at the initiation of the multiplexer between the TE (the host) and UE (the target) and it has the DLCI value 0.
  • 4.2 Create Virtual COM Port
  • 4.3 Create DLCI
  • 4.4 Send Data
  • 4.5 Disable MUX
    • Figure 4-2 CMUX Protocol
    • Table 4-1 Procedure and frames during various MUX operations
• 5 Installation Procedures and Requirements
  • 5.1 Install HuaweiCMUXInstaller
    • Step 1 Double click the HuaweiCMUXInstaller.exe.
    • Step 2 The setup welcome window will be dispalyed, and click Next.
    • Step 3 Give the installed path and click Next.
    • Step 4 CMUX Componets List window will be displayed, and click Next.
    • Step 5 Choose I accept the licenses and click Next.
    • Step 6 Huawei M2M CMUX App is the default folder name where the shortcut for the Huawei CMUX Application is created and click Next.
    • Step 7 Click Install to begin installing the Huawei CMUX application.
    • Step 8 After the Huawei M2M CMUX Application is completed, click Finish to exit the installation wizard.
  • 5.2 Create Virtual COM Ports
    • Step 1 Select Properties of My Computer.
    • Step 2 Select Advanced System Settings, and System Properties window will be displayed.
    • Step 3 Select Hardware > Device Installation Settings, and click OK.
    • Step 4 Select No, let me choose what to do, Install diver software… and click Save Changes. Restart your system to apply the settings as shown in figure below to avoid COM creation delay.
• 6 Guide of Huawei CMUX Application
  • 6.1 CMUX Application Main Window
    • Figure 6-1 Huawei CMUX App Main Window
    • 6.1.1 N1, N2 and T2
    • 6.1.2 Baud Rates
    • 6.1.3 Help Button
    • 6.1.4 Enable and Disable MUX
  • 6.2 DLCI Main Window
  • 6.3 Advanced Main Window
    • 6.3.1 Create DLCI from Advanced Window
      • Step 1 Select SABM from Frame Type combo box.
      • Step 2 Select DLCI number (say 1) from the DLC Identifier combo box and virtual COM port (say COM15) from COM combo box. STATUS will show whether the DLCI is already mapped to another COM or vice versa.
      • Step 3 Select Send to send the frame.
    • 6.3.2 Delete DLCI from Advanced Window
      • Step 1 Select CTRL_DISC from the Frame Type combo box.
      • Step 2 Select DLCI number (say 1) from the DLC Identifier combo box and corresponding virtual COM port from COM combo box.
      • Step 3 Click Send to send the frame.
    • 6.3.3 Send Test Commands from Advanced Window
      • Step 1 Select TEST_CMD from the Frame Type combo box.
      • Step 2 Enter the message to be send.
      • Step 3 Click Send to send the frame.
    • 6.3.4 Close down the CMUX from Advanced Window
      • Step 1 Select CLD_CMD from the Frame Type combo box .
      • Step 2 Click Send to send the frame.
  • 6.4 AT/Raw Main Window
    • Step 1 Select the created DLCI on which you want to send the AT commands.
    • Step 2 Select the AT commands from the AT combo box.
    • Step 3 Click Send to send the AT command.
  • 6.5 Statistics Application Main Window
  • 6.6 Log Window
• 7 How to Use Windows Dialer
  • 7.1 Create the Virtual Ports
    • Step 1 Create the virtual ports using Com0com software.
    • Step 2 In Start menu dialog box, input phone and modem.
    • Step 3 Click Modems tag and then click Add.
    • Step 4 Select the mark option and then click Next.
    • Step 5 Wait till it retrieves all the available configurations, and then select the type of the modem and click Next.
    • Step 6 Select the modem port on which the modem has to be configured. And click Next.
    • Step 7 Final page of configuration, click Finish to create new modem.
    • Step 8 Change the Properties of the modem.
    • Step 9 Configure the speed of the modem to 115200. And click OK.
    • Step 10 Click Advanced tag and choose Flow control in Data Connection Preferences as None. And click OK.
    • Step 11 Click OK on the all windows opened.
    • Step 12 Setup a dialer from Control Panel > Network and Internet > Network Sharing Center.
    • Step 13 Click on Set up a new connection or network.
    • Step 14 Click Set up a dial-up connection and click Next.
    • Step 15 Then select the created modem from the list.
    • Step 16 Give the Dial-up number as *99# and the dialer name of user choice, and click Connect.
    • Step 17 Now start MUX on the target. Then create the DLCI on the port where the dial has to be done.
  • 7.2 Disconnect the Hyper Terminal
    • Step 1 Select the dialer cmux_dialer from the toolbar. Click Connect.
    • Step 2 Select Properties of the dialer.
    • Step 3 Select the modem from the list (if more than one modems are configured). Click Configure.
    • Step 4 Select the speed as 115200 and select the Enable hardware flow and click OK.
    • Step 5 Click OK on the remaining windows opened.
    • Step 6 Click Dial.
• 8 Summary and Recommendations
• 9 FAQ
• 10 Abbreviations