General Configuration ScreenDLEHF-MA User’s Guide5-39Subnet Mask (Modifiable)Displays the subnet mask for the module. A subnet mask “masks out” thenetwork bits of the IP address by setting the bits in the mask to 1 when thenetwork treats the corresponding bits in the IP address as part of thenetwork or subnetwork address, or to 0 if the corresponding bit identifiesthe host. For details about how to change the subnet mask from its defaultvalue, refer to Section 5.15.2.Default Gateway (Modifiable)Displays the default gateway for the DLEHF-MA. This field is notdefined until an appropriate value is entered. For details about why andhow to set the default gateway, refer to Section 5.15.3.TFTP Gateway IP Addr (Modifiable)Displays and allows the user to set the TFTP Gateway IP address for theDLEHF-MA. To set the TFTP Gateway IP address, refer toSection 5.15.4.Module Date (Modifiable)Contains a value that the module recognizes as the current date. To set anew module date, refer to Section 5.15.5.Module Time (Modifiable)Contains a value that the module recognizes as the current time. To enter anew time, refer to Section 5.15.6.Screen Refresh Time (Modifiable)Contains the rate at which the screens are updated. This settingdetermines how frequently (in seconds) information is updated on thescreen. To enter a new update time, refer to Section 5.15.7.Screen Lockout Time (Modifiable)Contains the maximum number of minutes that the Local Managementapplication displays a module’s screen while awaiting input or actionfrom a user. For example, if the number 5 is entered in this field, the userhas up to five minutes to respond to each of the specified module’s LocalManagement screens. In this example, after five minutes of “idleness” (noinput or action), the terminal “beeps” five times, the Local Managementapplication terminates the session, and the display returns to the Passwordscreen. To enter a new lockout time, refer to Section 5.15.8.
