Black Box MDR220A User manual
MDR220A Wireless V.90 Modem
User’s Manual
Version 1.0
1000 Park Drive – Lawrence, PA 15055-1018 – (724)746-5500
Order Toll Free in the US: Call 877-877-BBOX ( Outside the US call 724-746-5500)
Document & FCC Information
Copyright © 2004 Black Box All rights reserved.The
Copyright information contained in this manual and the accompanying
Information software programs are copyrighted and all rights are reserved
by Black Box, Black Box, reserves the right to
make periodic modifications of this product without obligation
to notify any person or entity of such revision.
Copying, duplicating, selling, or otherwise distributing any part
of this product without the prior consent of an authorized
representative of Black Box is prohibited. All brands and
product names in this publication are registered trademarks or
trademarks of their respective holders.
FCC Notice
Warning: This 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.
RF Exposure/Installation Instructions
Warning: To satisfy FCC RF exposure requirements for mobile transmitting devices,
this equipment must be professionally installed such that the end user is
prevented from replacing the antenna with a nonapproved antenna. The end
user should also be prevented from being within 20cm of the antenna during
normal use with the exception of hands, feet and ankles.
Caution: Any change or modification not expressly approved by Black Box
could void the user’s authority to operate the equipment.
The preceding statement must be included as a CAUTION statement in
manuals for OEM products to alert users on FCC RF Exposure compliance.
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Table of Contents
Users Manual……………………………….……… 1
1. Overview………………………………………..…… 4
1.1 MDR220A & MDR221A Definitions………… 4
2. Windows Modem Setup & Configuration……… 4
3. Auto-Answer Feature…………………………….. 9
4. Connecting To A Non-PC Device………………. 10
5. Troubleshooting…………………………………… 10
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MDR220A User's Manual
1 Overview
The MDR220A & MDR221A products provide a wireless point-to-point
connection between a RS232 device and a 56K data/fax modem.
1.1 MDR220A & MDR221A Definitions
1) Pwr: Red LED indicates power is connected to the unit.
2) Link: Green LED indicates the units are in range of one another.
3) Rx: Red LED indicates a unit is receiving data.
4) Tx: Green LED indicates a unit is sending data.
2 Windows Modem Setup & Configuration
When connecting the MDR221A to a computer running Windows 95, 98, Me,
2000, or NT, the correct modem driver must be installed and properly
configured. Please follow the steps and diagrams below to complete the
setup and configuration.
1) Double-click on My Computer on the desktop, double-click on
Control Panel, double-click Modems to display the
Modems Properties window.
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MDR220A User's Manual
2) If the Standard 56000 bps K56Flex Modem is not installed, click
Add… to install a new modem.
3) Select Other when asked what type of modem you want to install,
then click on Next>.
4) Select “Don’t detect my modem; I will select it from a list”.
Then select Next>.
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MDR220A User's Manual
5) Select “(Standard Modem Types)” from the Manufacturers list,
then select “Standard 56000 bps K56Flex Modem” from the
Models list. Click Next> to continue.
6) Select the port to use with the modem and click Next> to continue.
7) Wait while Windows installs the modem. Click Finish to complete
the installation of the new modem and to return to the
Modems Properties window.
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MDR220A User's Manual
8) You are now ready to configure the new modem. Select
“Standard 56000 bps K56Flex Modem” and then click Properties.
9) On the General tab, select the port that is connected to the
MDR221A unit. Select 115200 for the Maximum speed. Do not
select “Only connect at this speed”, as this will not allow
communications from the MDR221A unit to the MDR220A unit.
The selected Baud Rate must match the MDR221A’s Baud Rate setting.
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MDR220A User's Manual
10) Click the Connection tab. Select 8Data bits, None for Parity,
1 for Stop bits. Select “Wait for dial tone before dialing”. Selecting
“Cancel the call if not connected within xx secs” is optional.
11) Click Advanced… to continue. Select “Use flow control” and then
select “Hardware (RTS/CTS)”. Click OK to return to the
Standard 56000 bps K56Flex Modem Properties window. Click
OK to return to the Modems Properties window. Click Close to
complete the configuration.
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MDR220A User's Manual
3 Auto-Answer Feature
9
This feature enables the MDR220A unit to answer an incoming call over the phone line. In
order to enable this feature, the HyperTerminal program must be opened. HyperTerminal is
launched by clicking on the Start icon in Windows and selecting Programs. From the
Programs list select Accessories, Communications, then HyperTerminal. Once in
HyperTerminal, you must type a name for the connection and click OK. Next to the
Connect Using field, select the proper COM Port. Make sure the Baud Rate setting is equal
to the MDR221A's Baud Rate setting, Data Bits equals 8, Parity equals None, Stop Bits
Equals 1, and Flow Control equals Hardware. Apply the settings and HyperTerminal is
ready to send commands.
MDRA220A configuration: Broadcast, Modem Control and RTS should be enabled.
MDR221A should be configured with default values and Auto Destination enabled.
Make sure Auto-Answer is enabled on the MDR220A: (Refer to RC56D ATCRM.PDF for
the AT Commands)
1) Enable Auto-Answer on the MDR220A
a. Connect the MDR221A to a computer and start HyperTerminal.
b. Type the characters ATS0 = n command, where n = the number of rings to
Auto-Answer.
This command sets the S0 parameter to a value other than zero to enable Auto-Answer.
S0 sets the number of rings required before the modem automatically answers a call.
Setting this parameter to zero disables auto-answer mode.
2) Enable DTR On
a. Send the AT&D0 command
3) Save the Auto-Answer configuration to a modem Profile, 0 or 1.
a. Send the AT&Wn command, where n = Profile number.
The MDRA220A is now ready to answer a phone call automatically.
Connect to the ConnexModem using a computer or another telecom Host. Once
connected, multiple ConnexLink units can communicate with the ConnexModem.
MDR220A User's Manual
4 Connecting To A Non-PC Device
When using MDR220A to connect a non-PC device to a phone line, it is
important that the MDR221A unit is configured properly. The MDR221A unit
must match the serial settings of the non-PC host device.
To configure the MDR221A unit, refer to the MDR221A User’s Manual located
on the Black Box CD.
5 Troubleshooting
Free technical support 24 hours a day, 7 days a week.
Call 724-746-5500 or fax 724-746-0746.
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