36 ESP Serial Hub Installer/User Guide
Sending a Break to a Port
The Send Break feature sends a line break to an attached device on one or all ports.
To send a break to one or all ports:
1. From the Main Menu, select Port Break. The Serial Port Selection window will open.
2. Select a port number or all ports, then click Apply.
A break will be sent to the specified port(s).
Displaying Hardware Information
The Hardware Information display includes the following items.
• Model number
• Hardware revision number
• Number of serial ports
• EEPROM revision number
• Amount of SDRAM in megabytes
• Amount of Flash memory in megabytes
• Amount of EEPROM configuration memory in kilobytes (ESP-2 MI and ESP-4 MI hubs only)
• Hub MAC address
• Hub serial number
• Hub part number
This information cannot be modified.
To display hardware information:
Select Hardware Information from the Main Menu.
Displaying or Updating Flash Memory
The Flash Update display includes information about the current images loaded in Flash memory.
You may update the embedded application image or bootstrap image in Flash memory. Before
updating a Flash image, you must configure a TFTP server on the target server system and install
the new Flash image in the appropriate location, which is usually relative to the TFTP
root directory.
To display Flash image information or update an image:
1. From the Main Menu, select Flash.
The Application Image section includes the version number, size and internal slot number for
the Primary embedded application image. The previously installed image is maintained as a
backup; the Backup field contains its values.
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