Moxa Technologies UPORT 1400 series Instrukcja Użytkownika Pobierz pdf (Strona 3)

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www.moxa.com e-mail: info@moxa.com.tw

Total Solutions for Serial Device Networking

USB-to-Serial Solutions Tutorial

Top performance with 128-byte FIFO and on-chip H/W, S/W Flow Control

MOXA’s 18+ years of experience in serial board design is now

concentrated on MOXA’s new top performance serial data

transmission chip, called Turbo Serial Engine™. MOXA’s new

technology CPU equips UPort 1400/1600 Series hubs with a

128-byte FIFO, on-chip hardware and software flow control,

and burst data mode. This makes the UPort 1400/1600 Series

the top performing USB-to-serial hub in the world.

COM Preserver™ *

User applications open COM ports with names such as

COM3 or COM4. Unfortunately, most USB-to-serial products

cannot fix their COM names on the host PC. This causes

the names of the COM ports to change when the device is

plugged into a different USB port. The user then, the must

trace the COM names in the application.

UPort 1400/1600 USB-to-serial hubs are able to fix their COM

names on the host PC. When the user enables the “COM

Preserver” function, COM names will follow the UPort device,

and our driver can create the same the COM ports names on

a different host PC. By using this feature, you do not need

to modify application programs, or even re-build the entire

project every time you install a new operating system or

upgrade the computer. Do not worry about moving UPort

from one USB hub to another or even from one computer to

another. Once the COM preserver function is enabled, the

names of the USB-to-serial COM ports will follow the hub

from one PC to another.

The COM preserver feature is optional. By default, the hub uses the

traditional way of enumerating the names of the COM ports.

* Patent Pending

Data logger for online analysis

UPort 1400/1600 is used to connect serial devices to a PC. In

some cases, it is difficult to determine whether connection

errors, such as data loss or status not handled, are caused

by the host PC or UPort 1400/1600. For this reason, UPort

1400/1600 creates a space to log data sent from the host

PC to a serial device, and from a serial device to the host

PC. This means that when data is sent from the host PC to

a serial device, engineers can easily check if the data was

sent from UPort 1400/1600, making it much easier to debug

connection errors. Errors that arise when data is sent from

a serial device to the host PC are handled in a similar way.

Engineers can easily check if UPort 1400/1600 receives any

such data, and then use that information to determine the

cause of the error, and devise a solution.

Magnet accessories to attach on the PC case

The typical way to use a device such as UPort 1400/1600 is to

place it on the desk near the laptop or desktop PC. However,

placing the UPort in this way wastes space, and due to the

nature of USB, makes it more likely that the connection

between the PC and UPort will become disconnected. The

“magnet” solution introduced by MOXA to get around this

problem is simple, but innovative. The solution uses magnet

accessories that come with the product to attach the UPort

to the host PC’s case. Not only does this save space, but it

also allows the user to fix the position of the USB cable that

attaches UPort to the PC.

Original Setting

COM3–COM6

Self Configured

COM3–COM6

Intelligent COM Saving

Original Setting

COM3–COM6

Self Configured

COM3–COM6

Situation 2

Situation 1

COM Port assignment is maintained across different PCs COM Port assignment is maintained across different

USB Ports

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Moxa Technologies UPORT 1400 series Instrukcja Użytkownika Strona 3

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