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ESP-4 MI Serial Hub Installer/User Guide
You may remap logical port numbers at any time, as long as they do not conflict with any
existing mappings.
Updating ESP hub configurations
You may use the ESP-Install program to update the information used by drivers for an ESP
serial hub.
Update information for each unit is also specified within an ESP-END block. The first command is
ESP. The IP and Type commands are required to identify the serial hub to update.
NOTE:
If you wish to change a hub’s IP address, the hub must first be initialized with no IP address.
Enter additional commands as needed to modify/update the configuration. The last command for
each hub’s block must be END.
Changes take effect immediately; you do not need to reboot the hub.
Removing ESP hubs
You may use the Remove command to uninstall/remove a previously installed ESP serial hub. The
Remove command specifies the IP address of the hub to be removed. This command is issued
outside of an ESP-END command block, but it may be included in a script file that also contains
ESP-END command blocks that install/update hubs.
To update a driver without having to reboot the computer, you may remove information about all
previously installed ESP hubs and then put it back, all in the same script file. This will also load a
new esp.sys driver in the computer’s memory. This provides an easy way to update a driver without
having to reboot the computer when more than one ESP hub is installed.
To remove and replace existing information:
1.
Run espinstall /list to obtain a list of currently installed hubs.
2.
Edit your original script file, adding a Remove command at the beginning of the file for each
installed ESP hub.
3.
Run espinstall /text <
filename
> on the edited file.
Commands
Table C.1 describes the commands that may be used in the ESP-Install program.
Syntax conventions
Keywords and values are not case sensitive.
A command must start on a line by itself. A carriage return marks the end of a command.
A comment must be on a line by itself, and must be preceded with a double slash (//).
Keyword/value pairs may have intervening spaces for readability. For example, all of the following
forms are valid:
type=esp-8
f1=sendmodemstatus off
type = esp-8
f1 = sendmodemstatus off
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