ATEN UC2322 User manual

UC2322 / UC2324
USB-to-Serial RS232 Hub
User Manual

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Compliance Statements
FEDERAL COMMUNICATIONS COMMISSION
INTERFERENCE STATEMENT
This equipment has been tested and found to comply with the
limits for a Class B digital service, pursuant to Part 15 of the
FCC rules. These limits are designed to provide reasonable
protection against harmful interference in a residential
installation. Any changes or modifications made to this
equipment may void the user’s authority to operate this
equipment. This equipment generates, uses, and can radiate
radio frequency energy. If not installed and used in accordance
with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that
interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference
by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different
from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician
for help.
The device complies with Part 15 of the FCC Rules. Operation
is subject to the following two conditions: (1) this device may
not cause harmful interference, and (2) this device must accept
any interference received, including interference that may cause
undesired operation.

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FCC Caution: Any changes or modifications not expressly
approved by the party responsible for compliance could void the
user's authority to operate this equipment.
KCC Statement
Industry Canada Statement
This Class B digital apparatus complies with Canadian ICES-
003.
RoHS
This product is RoHS compliant.

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ATEN USB-to-Serial RS-232 Hub
User Manual
Online Registration
Telephone Support
Technical Support
For international online technical support – including
troubleshooting, documentation, and software updates:
http://support.aten.com
For North American technical support:
International http://support.aten.com
International 886-2-8692-6959
China 86-400-810-0-810
Japan 81-3-5615-5811
Korea 82-2-467-6789
North America 1-888-999-ATEN ext 4988
1-949-428-1111
Email Support [e-mail]
Online
Technical
Support
Troubleshooting
Documentation
Software Updates
http://support.aten.com
Telephone Support 1-888-999-ATEN ext 4988

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Package Contents
The ATEN USB-to-Serial RS-232 Hub package contains the
following items:
1 UC2322 / UC2324 USB-to-Serial RS-232 Hub
1 USB cable
1user instructions
Check to make sure that all the components are present and that
nothing got damaged in shipping. If you encounter a problem,
contact your dealer.
Read this manual thoroughly and follow the installation and
operation procedures carefully to prevent any damage to the
unit, and/or any of the devices connected to it.
*Features may have been added to the ATEN USB-to-Serial
RS-232 Hub since this manual was printed. Please visit our
website to download the most up-to-date version of the
manual.

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Overview
The ATEN USB-to-Serial RS-232 Hub provides an external
plug-and-play RS-232 serial connection for computers,
notebooks, laptops, and hand-held computing devices that
support the USB specification. It comes with 2 or 4 standard DB-
9 male connectors for peripherals to plug into, and a USB cable
for connecting to the computer's USB port, or to a USB hub.
There are two models in the ATEN USB-to-Serial RS-232 Hub
series:
UC2322 – 2-Port USB-to-Serial RS-232 Hub
UC2324 – 4-Port USB-to-Serial RS-232 Hub
The ATEN USB-to-Serial RS-232 Hub provides mobile phones,
PDAs, digital cameras, modems and ISDN terminal adapters
with high quality serial connections at a data transfer rate of up
to 115.2 Kbps. It makes the USB interface transparent to the
peripherals, allowing them to easily interface with the USB,
eliminating the setup hassle found with traditional serial port
connections. As a USB specification compliant device, the
ATEN USB-to-Serial RS-232 Hub also supports energy-saving
suspend and resume operations.
The ATEN USB-to-Serial RS-232 Hub provides a quick, simple,
and cost-effective solution and is ideal for various kinds of
communication and automation applications.
Note:The ATEN USB-to-Serial RS-232 Hub does not support
devices such as serial mice that require an IRQ number or I/O
address.

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Features
Easy way to add 2 or 4 RS-232 serial ports
Fully compliant with USB 1.1; USB 2.0 compatible
Supports RS-232 serial interface
Supports automatic handshake mode
Up to 115.2 Kbps data transfer rate for each serial port
Dual data buffers for each upstream and downstream data
transfer
No IRQ, DMA, I/O address resources required
Supports hot-swapping and plug-and-play
Built-in 16KV ESD protection
Supports both bus power and external power
Works with cellular phones, PDAs, digital cameras, modems
and ISDN terminal adapters
Regulatory Approvals
System Requirements
Computers
The driver must be installed on the host computer to be able to
communicate with the connected USB peripheral devices.
Operating Systems
Supported operating systems are shown in the table, below:
Hardware CE, FCC (Class B)
Driver Microsoft WHQL
OS Version
Windows 2000 or above

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USB-to-Serial RS-232 Hub Front View
UC2322
UC2324
No. Component Description
1 power LED Lights to indicate that the USB-to-
Serial RS-232 hub is receiving
power and is up and running.
2 port link LED Lights to indicate that there is a
working RS-232 connection to the
corresponding port.
3 USB Type-B port The USB cable from your
computer or USB hub plugs in
here.
4 RS-232 serial port
(UC2324 only)
Your peripheral devices, such as
digital cameras, scanners, PDAs,
etc., plug in here.
1 32
1 342

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USB-to-Serial RS-232 Hub Rear View
UC2322
UC2324
Side View
No. Component Description
1 RS-232 serial ports Your peripheral devices, such as
modems, scanners, PDAs, etc.,
plug in here.
2 power jack The power adapter cable plugs in
here. Note: The USB-to-Serial
RS-232 hub is bus-powered, so
the use of a power adapter is
optional.
1
1
1

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Installation
Follow the steps below to connect the USB-to-Serial RS-232
Hub.
1. Install drivers.
a) Download the most up-to-date driver from our ATEN
product web page and unzip the downloaded file.
b) Select an appropriate operating system and system type
that your computer supports.
Make sure that all devices you will be installing are
properly grounded.
UC2324 (Front) UC2324 (Rear) UC2324 (Side)
UC2322 (Front) UC2322 (Rear) UC2322 (Side)
3
3
5
5
3
2
2
USB
USB
RS-232
RS-232
RS-232
Power
Power

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c) Double-click MSSetup_ATEN.
d) In the pop-up dialog box, click Install to install the driver
for the USB-to-Serial RS-232 Hub. To cancel the
installation, click Exit.
e) When the installation has completed, a dialog box
appears.
f) Click Exit to close the wizard, You have successfully
installed the driver.
2. Connecting the USB-to-Serial RS-232 Hub.
a) Connect the USB-to-Serial RS-232 Hub to a USB port on
your computer using the USB cable provided. The New
Hardware Wizard appears.
b) Select No, not this time, and then click Next to continue.
c) In the pop-up dialog box, leave the default choice (Install
from the software automatically), and then click Next to
continue.
d) When the installation has completed, the following
dialog box appears. Click Finish to close the wizard. You
have successfully installed the USB-to-Serial RS-232
Hub.

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3. Connecting your peripherals to the USB-to-Serial RS-232
Hub and follow the installation Wizard’s on-screen
instructions to complete the installation.
Note:
Under Windows 2000 operating systems, if you connect
a modem, you must specify the modem as a Standard
modem.
This procedure only occurs the first time you connect the
peripheral. If your peripheral was previously connected
and configured for the COM port, after you perform the
adapter installation and click Finish, the driver will
connect it and install it automatically. However, some
peripheral devices, such as older PDAs, require that you
install the software for the peripheral device before it
will work properly.
4. Turn on the connected devices.
5. (Optional) The USB-to-Serial RS-232 Hub is bus-powered.
Optionally power the USB-to-Serial RS-232 Hub with a
power adapter.
Uninstalling the Drivers
1. From the downloaded file, select an appropriate operating
system and system type that your computer supports.
2. Double-click ATEN_MSUninst.
3. In the pop-up dialog box, click OK to begin the uninstall
process.
4. Click Exit. You have successfully uninstalled the driver.

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Specifications
Function UC2322 UC2324
Device Connections 2 4
Connectors USB 1 x USB Type B Female (White)
Serial 2 x DB-9 Male
(Black)
4 x DB-9 Male
(Black)
Power 1 x DC Jack (Black)
LEDs Port 2 (Green) 4 (Green)
Power 1 (Orange)
Data Transfer Rate 115.2 Kbps (max.)
FIFO 16 byte Hardware FIFO
USB Specification USB 1.1 Compliant; USB 2.0 Com-
patible
RS-422/RS-485 Selection N/A
RS-232 Signal TxD, RXD, RTS, CTS, DTR, DSR,
DCD, RI, GND
RS-422 Signal N/A
RS-485 Signal N/A
Data Bit 5, 6, 7, 8
Stop Bit 1, 1.5, 2
Power Mode Bus Powered; use of Power
Adapter is optional
Power Consumption 0.5W 0.6W

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Environment Operating
Tem p.
0–50ºC
Storage
Tem p.
-20–60ºC
Humidity 0–80% RH, Non-condensing
Physical
Properties
Housing Metal
Weight 0.30 kg 0.32 kg
Dimensions
(L x W x H)
12.50 x 8.15 x 2.50 cm

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DB-9 Pin Assignments
Troubleshooting
Pin RS-232
1DCD
2RXD
3TXD
4DTR
5GND
6DSR
7RTS
8CTS
9RI
Problem Possible Cause Action
Cannot
install serial
device.
Advanced settings
need to be
configured.
Contact ATEN Technical
Support for advice about
your specific serial device.

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Limited Warranty
ATEN warrants its hardware in the country of purchase against
flaws in materials and workmanship for a Warranty Period of
two [2] years (warranty period may vary in certain regions/
countries) commencing on the date of original purchase. This
warranty period includes the LCD panel of ATEN LCD KVM
switches. Select products are warranted for an additional year
(see A+ Warranty for further details). Cables and accessories are
not covered by the Standard Warranty.
What is covered by the Limited Hardware Warranty
ATEN will provide a repair service, without charge, during the
Warranty Period. If a product is detective, ATEN will, at its
discretion, have the option to (1) repair said product with new or
repaired components, or (2) replace the entire product with an
identical product or with a similar product which fulfills the
same function as the defective product. Replaced products
assume the warranty of the original product for the remaining
period or a period of 90 days, whichever is longer. When the
products or components are replaced, the replacing articles shall
become customer property and the replaced articles shall
become the property of ATEN.
To learn more about our warranty policies, please visit our
website:
http://www.aten.com/global/en/legal/policies/warranty-policy/