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2000 Series Routers
ISDN Terminal Adapter
ISDN Router
Installation Guide
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TA2020B & IR2110B Installation Guide
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Disclaimer
Digi International makes no representations or warranties with respect to the contents or
use of this manual, any software drivers or associated application software provided with
this product and specifically disclaims any expressed or implied warranties of
merchantability or fitness for any particular purpose.
Digi International reserve the right to modify or revise all or part of this document, its
contents, and any products described herein at any time without prior notification and
shall not be responsible for any loss, cost, or damage, including consequential damage,
caused by reliance on these materials.
Product disposal instructions
The WEEE (Waste Electrical and Electronic Equipment: 2002/96/EC) directive has been
introduced to ensure that electrical/electronic products are recycled using the best
available recovery techniques to minimise the impact on the environment.
This product contains high quality materials and components which can be recycled. At
the end of its life this product MUST NOT be mixed with other commercial waste for
disposal. Check with the terms and conditions of your supplier for disposal information.
Digi International Ltd WEEE Registration number: WEE/HF1515VU
Copyright
© 2006-2009 Digi International. All rights reserved. No part of this document covered by
copyright may be reproduced or copied in any form or by any means graphic, electronic,
or mechanical, including photocopying, recording, taping, or information and retrieval
systems without written permission of Digi International.
May 2009. Part # 6211-0021 REV B
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Safety Notices
1) Please read all instructions before installing and powering the unit. You should keep
these instructions in a safe place for future reference.
2) The TA2020B and IR2110B use a 12V DC/1.5A power supply (mains adapter). If the
mains adapter shows signs of damage or malfunction, you should stop using it
immediately - turn off the power at the mains and disconnect it from the mains supply
before contacting your supplier for a repair or replacement.
3) Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment. Use only the
accessories, attachments, and power supplies provided by the manufacturer –
connecting non-approved antennas or power supplies may damage the unit, cause
interference or create an electric shock hazard, and will void your warranty.
4) Do not attempt to repair the product. The unit contains no electronic components that
can be serviced or replaced by the user. Any attempt to service or repair the unit by
the user will void the product warranty.
5) The TA2020B and IR2110B are designed for indoor use only and should be used in
an environment that is suitable for computers and other electronic equipment.
6) Ports that are capable of connecting to other apparatus are defined as SELV ports.
To ensure conformity with EN60950 ensure that these ports are only connected to
ports of the same type on other apparatus.
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Preface
This guide describes the installation procedure for the TA2020B and IR2110B. It is
intended to provide sufficient information for you to be able to connect the unit to your
terminal equipment and power supply. A complete reference guide to the software
features that are available on the product is available separately in PDF format that can
be downloaded from the Digi International website (www.digi.com).
Both models feature:
1 x RS232 sync/async serial ports (25-way D)
1 x RS232 async serial port (9-way D)
1 x ISDN BRI interface
In addition to the above, the IR2110B also incorporates a 10/100-BaseT Ethernet port.
Package Contents
When you receive the router carefully unpack it and check the contents. These should
include:
TA2020B or IR2110B system unit (one of the following models) :
81-TA2020B-SSEU-00
81-IR2110B-SSEU-00
100V-230VAC, 50 - 60/13A – 12V DC mains adapter
this Installation Guide
2M CAT5 LAN cable (IR2110B only)
If any item is missing or damaged, please contact your supplier. You should also make a
record of any damage that may have occurred during shipping and report it to the carrier.
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1 Introduction
The TA2020B and IR2110B facilitate the transmission of data over ISDN networks.
The units can be configured either by using commands entered at the serial port (much
like a modem), or via the built-in Web interface. We recommend that you use the Web
interface whenever possible.
1.1 Front Panel Features
The front panel of the unit incorporates number of LED indicators depending on the model
as shown in the following illustration (IR2110B):
Status Indicators
The status indicators operate as follows:
ON
Illuminates steady red when power is applied.
LAN
On the IR2110B illuminates steady when there is a network
connection to the LAN port and flashes when data is transmitted
or received.
ISDN:
D, B1, B2
Flash when data is transmitted/received over the ISDN D, B1 or
B2 channels.
DTE 0, 1
Illuminate steady if a terminal is connected to the respective
serial port and the DTR signal is on. Flashes when data is
transmitted or received. DTE 1 is only present on the TA2020B.
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Rear Panel Features
The functions of these connectors are described in the following table:
12V DC
This jack socket is used to connect the unit to the power supply
using 12V DC mains adapter.
SERIAL 0
This 25-way D socket provides a synchronous/asynchronous
RS2322 serial port which may be used to connect the unit to a
compatible serial device. The unit is supplied with a suitable 2
metre serial cable. To comply with EMC requirements it should
not be used with a longer cable.
SERIAL 1
On the TA2020B this 9-way D socket provides an asynchronous
RS2322 serial port which may be used to connect the unit to a
compatible serial device. The unit is supplied with a suitable 2
metre serial cable. To comply with EMC requirements it should
not be used with a longer cable.
On the IR2110B, this port is disabled.
LAN
On the IR2110B this socket is used to connect the unit to a
10/100-BaseT LAN using the 2-metre STP (Shielded Twisted
Pair) cable supplied or a suitable alternative. This port is autosensing for speed and wiring (straight-through or cross-over). To
comply with EMC requirements it should not be used with nonSTP cable.
ISDN
This socket is used to connect the unit to an ISDN line.
Reset switch
This is located on the underside of the unit near the front. Pressing the switch gently with
the tip of a pen or other suitable implement will generate a hardware reset.
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2 Installation
The TA2020B and IR2110B are designed for indoor use (office or home). The router
should be positioned on a smooth, level surface making sure that there is adequate
ventilation. Do not expose the router to extremes of heat or cold, strong magnetic fields or
liquids.
Step 1 – Connecting the serial cable
For connection to a serial terminal device, connect the 25-way D plug on the serial cable
provided to the SERIAL connector on the rear of the unit. Connect the other end of the
cable (9-way D socket) to the terminal. If the serial connector on the terminal is not a 9way D plug, you will need a suitable adapter.
Step 2 – Connecting the LAN cable (if applicable)
Plug one end of one of the supplied 2 metre CAT5 cable into the RJ45 socket labelled
LAN 0. Plug the other end into the LAN socket on your PC or notebook.
Step 3 – Connecting the power supply
Plug the jack plug on the mains adapter into the socket labelled 12V DC. When power is
first applied, the ON indicator will illuminate and the unit will initiate a series of diagnostic
self-tests. During this process one or more of the other indicators, will flash to show that
the unit is busy. When the flashing stops, the unit is ready to use.
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3 Configuration
Once the TA2020B or IR2110B has be installed and powered up, you must now configure
the unit so that it can communicate with your network and the Internet.
3.1 Configuring the TA2020B
The TA2020B is configurable only through its serial port.
To access the web interface through the unit's serial port (using Windows dial-up
networking) follow the steps below.
Note: To use Dial-up Networking you must have the TCP/IP > Dial-up adapter installed in
the Network Configuration for Windows. Check this by selecting Settings > Control Panel
> Network > Configuration.
Step 1 – Installing the driver file
You will need to install the “DIGI_MULTI_PORT.INF” driver file and create a Windows
PPP Dial-up Networking connection (DUN) for the unit as described below. This driver is
available from the Digi International website (ww w.digi.com). It is assumed that you
already have a basic knowledge of Windows networking concepts and terminology.
The precise procedure for installing the .inf driver file for the unit will vary slightly between
different versions of Windows. The following description applies to Windows XP. Start by
selecting Start > Control Panel > Phone and Modem Options. You must be in Classic
View. Select the Modems tab and you will see a dialog similar to the following:
Click on Add… to install a new modem driver.
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TA2020B & IR2110B Installation Guide
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Check the Don't detect my modem, I will select it from a list option before clicking
Next > to display the following dialog screen:
This screen lists the manufacturers and models of modem currently available on your
system. Click on Have Disk….
Use the Browse button to locate the DIGI_MULTI_PORT.INF file that was downloaded
earlier. A list of routers will appear in the Models list.
Each entry in the list is the same driver, set up for a different COM port. Choose the entry
corresponding to the COM port your router is connected to, and click Next >. The wizard
will ask you which COM port you wish to install the modem on.
Select the appropriate port and click Next >, and Windows will install the driver. Once
installation is complete click Finish to return to the Phone and Modem Options dialog,
where your unit will be listed:
Click on the OK button if you are satisfied with the installation.
Note: During the installation you may receive a warning that the driver is not digitally
signed. Click on Continue Installation to install the driver.
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Step 2 – Creating a new Dial-Up Network connection
You now need to create a new DUN connection through which you can access your unit.
If you are planning to connect the unit directly to your PC for configuration purposes,
connect it to the appropriate COM port now using a suitable serial cable.
If you wish to configure a remote unit, make sure it is connected to a suitable ISDN line
and make a note of the ISDN number.
From the Windows Start menu, select All Programs > Accessories > Communications >
New Connection Wizard. You will be presented with the New Connection Wizard
introduction screen. Click on Next > to proceed to the Network Connection Type dialog
box.
Select the Connect to the network at my workplace radio-button then click on Next >:
Select the Dial-up connection radio-button then click on Next >.
From the Select a Device dialog, select the unit you have just installed and make sure that
any other devices in the list are unchecked. Click Next >.
You must now enter a name for the connection. It is helpful to choose a name that you will
easily remember such as “My Local TA” or “TA2020B - Bristol Office”. Click Next >. The
next dialog allows you to fill in the phone number for the connection.
If the connection is being created for direct local access using a COM port, you should set
the phone number to 123. This number will be intercepted by the unit and recognised as
an attempt to connect locally.
If the connection is being created for remote access, enter the correct ISDN telephone
number (including the area code) for the remote unit.
When you have done this click Next >. The final dialog screen will confirm that the
connection has been created and includes a check box to allow you to create a shortcut
on your desktop if necessary. Click on Finish to complete the task.
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Step 3 – Configuring the new DUN connection
The new DUN connection that you have just created may now be used to connect to the
unit but before you do this, you will need to check some of the configuration properties.
Click on the Start button and select Connect To > My Local TA (substituting the
connection name you chose).
Click on the Properties button to display the properties dialog for the connection:
On the General tab, click the Configure… button to display the Modem Configuration
dialog:
Make sure that the Maximum speed (bps): value is set to 115200 and that the Enable
hardware flow control box is checked.
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Click OK when you have finished to return to the main properties dialog.
Now select the Networking tab:
Make sure that the Type of dial-up server I am calling is set to PPP: Windows
95/98/NT/2000, Internet and click on Settings:
Make sure that all three options are unchecked before clicking OK to return to the
Networking tab. In the This connection uses the following items list, Internet Protocol
(TCP/IP) should be the only item that is checked. Make sure that this is the case and then
click OK to return to the main dialog. You are now ready to initiate a connection.
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Step 4 – Initiating a DUN connection
In the main dialog, you are asked to enter a username and password. The default settings
for your unit are “username” and “password” respectively but you should change as soon
as possible in order to prevent unauthorised access to your unit (refer to the section
entitled Configure > Users in the Web Interface and Command Line Reference Guide for
instructions on how to do this). The username is not case sensitive, but the password is.
Note: When you type the password it will appear as a series of dots to ensure privacy.
Once you have entered these, initiate a connection to your unit by clicking the Dial button.
During the dialling and connection process, you may see a series of status dialogs and, if
the connection is successful, the final dialog will indicate that the PPP login has been
authenticated.
After a short delay, this dialog will minimise to a “linked computers” icon in the Windows
taskbar.
You should now be ready to access the built-in web pages using your Web browser. The
default “web address” for the unit is 1.2.3.4. By default, this is also mapped to the system
IP hostname ss.2000r.
You will need a valid username and password to access the web interface. Once again,
the default settings are username and password respectively. If these values do not
allow access, you should contact your system administrator.
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3.2 Configuring the IR2110B
Once the unit has been installed and powered up, you must now configure it so that it can
communicate with your network and the Internet.
The easiest way to configure the unit is to use the Sar/OS Connection Wizard, available
from the Digi International website. The Sar/OS Connection Wizard will take you step-bystep through the process of configuring your router. Using the wizard means that you will
not have to change the IP address of your PC. Rather, you will be able to change the IP
address of the router to match the subnet your PC is already on.
Note: The default IP address for the LAN 0 port is 192.168.0.99, with a default Class C
subnet mask (255.255.255.0). Setting your PC’s IP address to one on the same subnet
(192.168.0.*) will enable you to connect to the unit’s Web interface. You will then be able
to configure the unit manually without using the Sar/OS Connection Wizard.
Further details of manual configuration can be found in the Digi International Sar/OS
Reference guide.
Step 1 – Install the Connection Wizard
Download the connection wizard from the Digi website and install the software on your
PC.
Step 2 – Run the Wizard
Once the wizard has been installed on your PC, run it from the Windows Start menu.
Step 3 – Decide which configuration method to use
Choose to configure the unit’s Ethernet port only. You must have completed all the
installation steps listed in the previous section.
Step 4 – Configure the unit
Follow the on-screen instructions to configure the unit. Once complete you will be able to
browse to the unit and configure it using your web browser.
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1 General Specifications
Model numbers
81-TA2020B-SSEU-00
81-IR2110B-SSEU-00
Power supply
12V DC / 1.5A
Dimensions
W162 x D130 x H32 mm
Weight
0.53Kg
Operating temp.
range
-20 to +50 degree Celsius
ISDN modem
Full duplex 2B+D S/T interface transceiver (according to ITUT I.430). LAPB and LAPD support. Non-auto mode,
transparent mode, extended transparent mode.
Ethernet interface
10/100Base-T auto-sensing, auto-MDI/MDX (RJ45)
Serial interfaces
Sync/Async RS232 compatible via 25-way D socket
Async RS232 compatible via 9-way D socket
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2 Declaration of Conformity
Declaration of Conformity for R&TTE Directive
We:
Digi International Ltd.
Beacon House,
Riverside Business Park,
Ilkley, West Yorkshire,
LS29 8JZ
ENGLAND
declare under our sole responsibility that the following product(s):
Models:
TA2020B, IR2110B
Part numbers:
81-TA2020B-SSEU-00
81-IR2110B-SSEU-00
conform(s) to the relevant harmonised standards:
EN60950-1:2001 (Health & Safety)
EN55022: 1998 (EMC)
following the provisions of Council Directive 1999/5/EC on radio equipment and
telecommunications terminal equipment and the mutual recognition of their conformity.
Name:
D. Ellison
Position:
Director
Signature:
Date:
31st March 2009
on behalf of Digi International.
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