IBM PowerLinux information

Configuring your modem

Configure your modem that is connected to the system port.

Note: Each system port is disabled when a Hardware Management Console (HMC) is attached to the server and the server is booted beyond the service processor standby state.
To perform this operation, you must have one of the following authority levels:
  • Administrator
  • Authorized service provider

To configure the modem, complete the following steps:

Note: If you are attaching a 7852-400 modem to the S1 or S2 serial port, you must use the following switch positions on the modem (U=up and D=down): UUDD UUUD UUUD UUUU.
  1. On the ASMI Welcome pane, specify your user ID and password, and click Log In.
  2. In the navigation area, expand System Service Aids.
  3. Select Modem Configuration. Two sections are displayed. The first section is labeled S1, which is the system port that is used with the call-home feature. The second section is labeled S2, which is the system port that is used with the call-in feature.
  4. Modify the fields in the S1 and S2 sections.
    • Modem type: Select the supported modem type from the selection list.
    • Modem reset command: Enter the command to use to reset the modem to the power-on defaults.
    • Modem initialization command: This command configures the modem for the required behavior. To ensure proper operation, result codes should be returned (ATQ0), echo should be disabled (ATE0), and result codes should be strings (ATV1). This setting is ignored if the modem type is not Custom.
    • Modem dial command: This command is used for dialing a number. For example, ATDT for tone dialing. This setting is ignored if the modem type is not Custom.
    • Modem auto-answer command: This command enables the modem to answer incoming calls. For example, ATS0=1. This setting is ignored if the modem type is not Custom.
    • Modem pager dial command: Enter the modem pager dial command. This command is used to dial a pager. For example: ATDT%s,,,%s;ATH0.
      Note: Both %s strings are required. This setting is ignored if the modem type is not Custom.
    • Modem disconnect command: Enter the modem disconnection command. This command is used to disconnect the call. For example, +++ATH0. This setting is ignored if the modem type is not Custom.
  5. Click Save settings to save the modem configuration changes.


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Last updated: Mon, April 24, 2017