Moxa Technologies DE-304 Installation Guide download pdf (Page 20)

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To prevent this problem, be sure to set a password while installing NPort

Server Lite in Single Host mode. If a password is set, then only someone

who knows the password will be able to reinstall the NPort Server Lite

driver (either from the original or a different host).

If you would like your NPort Server Lite to allow access to more than one

host, first uninstall the Single Host Mode driver, and then reinstall the driver

in Custom Mode.

 Why am I unable to change NPort Server Lite’s IP address and other

properties?

Two situations could give rise to this problem.

1. Incorrect Password—If you type the wrong password while running

NPort Server Lite Manager, the Manager program will not allow you to

change NPort Server Lite’s IP address and other properties. Only the

administrator, which by definition is anyone who knows the password,

has the right to modify the server’s configuration.

Keep in mind that even when two or more hosts are given access to a

server’s serial ports, it is still possible to protect access to the server’s

administrative functions by setting up a password. Consequently, if you

need to change some configuration settings, but you do not know the

password, you will have to ask the administrator for help. If you are the

administrator, but forget the password, you can erase the current

password by pressing the RESET button on NPort Server Lite’s back

panel for three seconds.

2. Incorrect Operation Mode—You will not be able to change the device

server’s IP address if you are installing NPort Server Lite under Single

Host Mode. Setting up the installation procedure in this way makes the

Single-Host Mode configuration procedure very similar to installing a

traditional multiport serial board. Under Single Host Mode, users are

only allowed to modify the device server's name and password. This is

because Single Host users are not sharing their NPort Server Lite with

other hosts. If you need to modify other properties, access NPort Server

Lite via Telnet, or run the setup program and change to another

operation mode.

 I would like to allow one or more hosts to access an NPort Server Lite

device server, but I am unable to open the Access Control page.

Check the NPort Manager operation mode. If the currently installed

operation mode is Single-Host Mode, reinstall it as Custom Mode.

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Moxa Technologies DE-304 Installation Guide Page 20