Equinox Systems ESP-2 OPTO, Инструкция по установке и эксплуатации

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Equinox ESP-2 OPTO Serial Hub Installation and User Guide 19
b. Enter the IP address of the TFTP server and the bootstrap image filename.
c.
By default, the bootloader will only be updated if the version number of the
new image is greater than the version number currently installed.
If you wish to downrev the bootloader (that is, use a previous/earlier
version), enable the
Update Bootloader Regardless of Version checkbox. It
is generally recommended that this checkbox be disabled.
d. Click the Apply button. The update process may take up to 30 seconds to
complete. After the update completes, status will be displayed.
The new FLASH image will be used after the ESP-2 serial hub reboots.
4.8 Displaying or Changing Configurable Features
The Configurable Features display includes the current settings of the features
described in Table 14.
When the ESP-2 serial hub is reinitialized, all configurable features are restored to
their default settings.
To view or change configurable features:
1. From the Main Menu, select Configurable Features .
2. Click the Enabled or Disabled radio button next to the feature(s) to be changed.
3. If you changed any setting, click the Apply button. The EEPROM configuration
is updated immediately, but the change does not take effect until the next reboot
of the ESP-2 serial hub. To reboot, click the
Reboot button.
4.9 Downloading a Configuration File
To ease the task of configuration, the ESP-2 hub supports file-based configuration.
The Configuration Download operation initiates the loading of a configuration file
Table 14: Configurable Features
Feature Description
Acquire IP address
via DHCP
When enabled, the IP address may be set using DHCP/BootP. When
disabled, the IP address must be set using the web interface, the
configuration utility or the UDP protocol (espcfg or NT driver
coinstaller). The default value is enabled.
Allow administrative
functions via SNMP
When enabled, the SNMP interface is used for monitoring and limited
configuration of the ESP-2 serial hub. When disabled, tools such as
EquiView Plus and espdiag will not work. The default value is enabled.
Allow web based
interface When enabled, the web interface may be used. When disabled, that
interface is not available. The default value is enabled.
Allow Telnet to
configuration utility
When enabled, the configuration utility may be accessed with Telnet.
When disabled, the configuration utility is not accessible with Telnet.
The default value is enabled.