Icom ICRS-MMDS-I User manual

5.15~5.25GHz WLAN Radio
ICRS-MMDS-I

Copyright
Copyright © 2005 all rights reserved. No part of this publication may be reproduced,
adapted, stored in a retrieval system, translated into any language, or transmitted in any
form or by any means without the written permission of the supplier.
About This Manual
The purpose of this manual is for the setup of the Radio. This manual, version 2.0.0.1 in
2008, includes procedures assisting you in avoiding unforeseen problems.
Technical Support
If you have difficulty resolving the problem while installing or using the Radio, please
contact the supplier for support.

FCC Notice
According to FCC 15.407(e), the device is intended to operate in the frequency band of 5.15GHz
to 5.25GHz under all conditions of normal operation. Normal operation of this device is
restricted to indoor used only to reduce any potential for harmful interference to co-channel MSS
operations.
Reminder:
To comply with FCC part 15 rules, this WLAN Radio must only be used as a system as FCC
certified. The system must also be professionally installed to ensure compliance with the Part 15
certification and end users are not allowed to install by themselves. It is the responsibility of the
operator and professional installer to ensure that only certified systems are deployed in where
FCC rules apply.
Notice :
The changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.
IMPORTANT NOTE:
1. To comply with the FCC RF exposure compliance requirements, no change to the antenna or
the device is permitted. Any change to the antenna or the device could result in the device
exceeding the RF exposure requirements and void user’s authority to operate the device.
2. The Radio and Antenna must be professionally installed.
FCC RF Radiation Exposure Statement:
1. This Transmitter must not be co-located or operating in conjunction with any other antenna
or transmitter.
2. This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled
environment. This equipment should be installed and operated with a minimum distance of
20 centimeters between the radiator and your body.

Table of Contents
Chapter 1 Applications ......................................................................5
Chapter 2 Hardware Installation......................................................6
2-1 Product Kit ................................................................................................... 6
2-2 System Requirements.................................................................................... 6
2-3 Mechanical Description ............................................................................... 7
2-4 Hardware Installation .................................................................................. 8
Chapter 3 Configuring the RADIO with the Web-Based User
Interface .................................................................................................9
3-1 Start-up and Log in ...................................................................................... 9
3-2 Wireless Setup ............................................................................................ 12
3-3 Status .......................................................................................................... 22
3-4 Management ............................................................................................... 24
Appendix A: Troubleshooting .......................................................30
Appendix B: Authorized Cables with Cable Loss....................31
Appendix C: Specifications of Antenna......................................32

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Chapter 1 Applications
1. Remote Access to Corporate Network Information
E-mail, file transfer and terminal emulation.
2. Difficult-to-Wire Environments
Historical or old buildings, asbestos installations, and open area where wiring is
difficult to deploy.
3. Frequently Changing Environments
Retailers, manufacturers and those who frequently rearrange the workplace and
change location.
4. Access to Database for Mobile Workers
Doctors, nurses, retailers, accessing their database while being mobile in the
hospital, retail store or office campus.
5. High Security Connection
The secure wireless network can be installed quickly and provide flexibility.

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Chapter 2 Hardware Installation
This chapter describes initial setup of the RADIO subsystem.
2-1 Product Kit
Before installation, make sure that you the following items:
 RADIO………....................…..……………………………………………....……..x 1
 Power over Ethernet…………………………………………...….…………….…x 1
 Power Adapter……………………………….…….……………………………..…x 1
 Power Cord………………………………………………………………………..…x 1
 Mounting kit..……………………………….…………………………………….....x 1
 SFTP Cable……….….........…………….………………………..………...……....x 1
 Product CD………………………………………………………………………..…x 1
 Quick Installation Guide……………………………….………………………….x 1
NOTE: If any of the above items are missing or damaged, please contact your local
dealer for support.
2-2 System Requirements
Installation of the RADIO requires:
1. A DC adapter which supplies the power for the PoE (Power over Ethernet).
2. A 10/100 Base-T (UTP) Ethernet cable drop.
3. Operating system support: Windows 98/Me/NT4.0(SP4 or above)/2000/XP

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2-3 Mechanical Description
RADIO:
Waterproof RJ-45 connector
Connect to the POE with SFTP cable.
LED Indicator：
Power / TX / RX
Reset：
Remove the screw and press the reset button and keep pressing it for around 5 seconds. The
RADIO will be restored to factory default settings. Then reinstall the screw with o-ring and
tighten it. After Reset the RADIO, it will be restored to factory default settings. If you apply
any personal configuration settings, you will need to make the changes again.
N-type connector
Connect to the antenna by the RF cable. The maximum RF cable length depends on the loss
of the RF cable.
SFTP Cable
This cable is attached to the RADIO.
RJ-45 connector (To POE)
LED Indicator
Reset Button
N-type connector

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2-4 Hardware Installation
Take the following steps to set up your RADIO.
 Connect the Ethernet Cable
The Wireless LAN RADIO supports 10/100M Ethernet connection. Connect the CAT5
cable from the RADIO to the RJ-45 connector of PoE (marked “To RADIO”) for RADIO
connection. Then connect the other end of the POE with straight RJ-45 cable to a hub or a
switch. Please note that, use the cross-over cable when you desire to connect the PoE
of RADIO to a PC.
 Connect the Antenna
In RADIO connection, you can connect antenna to the N-type connector of RADIO.
 Connect the Power Cable
Connect adapter to the PoE, and plug the other end of the adapter into an electrical outlet.
NOTE: Only use the power adapter supplied with the PoE of RADIO. Otherwise, the
product may be damaged.

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Chapter 3 Configuring the RADIO with the
Web-Based User Interface
3-1 Start-up and Log in
In order to configure RADIO, you must use your web browser and please do the following:
1. Type this RADIO’s address http://192.168.1.1 in the Location (for IE) or Address field
and press Enter.
2. Enter the system name (the default setting is “admin”) and password (the default setting is
“password”).
3. Click on the “Login now” button.
4. The main page will appear.
After you have logged-in the main page, the About, Basic Setup, Wireless Setup, Status,
Management buttons will be shown. The main menu provides links to the whole sections of
the web configuration interface.

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About
The About screen describes the product information briefly. The RADIO information includes
Wireless Bridge Name, MAC Address, and Firmware Version.
Basic Setup

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The Wireless Bridge Name is used to give a name to your bridge. This will enable you to
manage your Wireless Bridge more easily if you have multiple Wireless Bridges on your
network.
Ethernet Data Rate: The basic transfer rates should be set depending on the speed of your
Ethernet network. Select the desired rate from the drop-down menu and choose “Automatic”
to adapt 10Mbps or 100Mbps Base-T by automatic detection.
Spanning Tree Protocol : This function provides optimization of network traffic for multiple
wireless bridges. You may Enable or Disable the Spanning Tree Protocol used in the wireless
bridge.
VLAN(802.1Q) : VLANs can enhance performance by conserving bandwidth, and improve
security by limiting traffic to specific domains. You may select the Enable will link the VLAN
functionality on the Base Station.
Management VLAN ID : This allows 802.1Q VLAN devices to management the WEB GUI
of the RADIO. The default value is “0” which allows all untagging (Non VLAN) devices to
access the RADIO.
IP Address
As a Bridge mode, you can assign a proper IP address to your wireless bridge manually by
selecting Manual. If you would like the wireless bridge to obtain the IP address from the
DHCP server on your network automatically, select DHCP.
IP Address: Type the IP address of your bridge. (Default: 192.168.1.1).
IP Subnet Mask: The Bridge’s Subnet Mask must be the same as your Ethernet network. We
recommended that you do NOT change the value. (Default: 255.255.255.0).
Default Gateway: The Bridge will use this value for default Gateway.
Primary DNS Server: The Bridge will use this value for primary Domain Name Server.
Secondary DNS Server: The Bridge will use this value for secondary Domain Name Server.
Time
While you connect the Bridge to Internet, the Bridge could automatically synchronize the
current time of the bridge with the Time Server that you have set.
Time Server: the central time of the Time Server.
Time Server Port: the port of the Time Server.
Time Zone: You may select the appropriate local time zone for your Bridge from a list of all
available time zones. Default: GMT.
Note: If you complete the settings, please click on “Apply” for changes to take effect.

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3-2 Wireless Setup
Radio Settings:
Operating Mode: There are three different wireless modes to operate, Base Station, CPE,
and Peer-to-Peer. The default is “Base Station”.
Basically, the Multi-Client mode and LAN-to-LAN mode all are used to support multiple
devices to access internet through CPEs. But Multi-Client mode only supports IP packet, and
LAN-to-LAN supports any Ethernet protocol.
If the Base Station supports LAN-to-LAN capability(this firmware embedded), then the CPEs
which connect to that Base Station could be configured to Multi-Client mode or LAN-to-LAN
mode.
If the Base Station doesn't support LAN-to-LAN capability(old firmware embedded), then the
CPEs which connect to that Base Station should be configured to Multi-Client mode.
Base Station ID: Edit VBS/VLAN Settings.
Modulation: For this model, the modulation is OFDM.
Channel / Frequency: Select the appropriate channel/Frequency from the list provided to
correspond with your network settings.
Data Rate: The basic transfer rates should be set depending on the speed of your wireless
network. To specify rate of data transmission, select the desired rate from the drop-down
menu and choose “Best” to adapt the rate to the best available.
Output Power: Set the transmit signal strength of RADIO. The options are full, half, quarter, eighth
and min. Decrease the transmit power if necessary. The best performance for max. throughput test is
preset at the “full” setting. It should be selected again after being reset.

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Bandwidth: Set the transmit signal bandwidth of RADIO. The default is “20MHz”.
VQoS/TDM: Enable VQoS/TDM to allow Base Station to use the technology of Time Division
Multiplexing by assigning each data stream for CPE a equal time slot per cycle. The default setting is
“Disable”.
Antenna: For this model, the default is “Fixed on Primary”
Regatta Mode: Choose “Enable” for anti-interference, it may be make better the performance of
throughput. The default setting is “Disable”.
Advanced Parameters
These parameters can be changed if needed, but the default advanced setting usually work
well. It is recommended that you keep all these values in factory default.
CPE Download Speed: This function provides flow control with a multiple of 64kbps for
CPE . The setting range is 1-1687.
RTS Threshold: RTS Threshold is a mechanism implemented to prevent the “Hidden Node”
problem. If you have more collisions, it is recommended to enable RTS. If you have fewer
collisions, it is not necessary to enable RTS. Forcing the wireless bridge to implement the
RTS/CTS handshake will significantly increase the overhead and reduce throughput. If the
size of the packet transmitted is larger than the value you set, the RTS should be enabled. The
setting range is 0-2346.
Fragmentation Length: Fragmentation mechanism is used for improving the efficiency
when there is high traffic within the wireless network. If you transmit large files in a wireless
network, you can enable the Fragmentation Threshold and specify the packet size. This
specifies the maximum size a data packet will be before splitting and creating a new packet.
The setting range is 256-2346. For example: If you set value as 256, it means the packet will
be fragmented into “256” bytes while transmitting.
Bacon Interval: This value indicates the frequency interval of the beacon. A beacon is a
packet broadcast by the Base Station to keep the network synchronized. A beacon includes the
wireless network service area, the Base Station address, the Broadcast destination addresses, a
time stamp, Delivery Traffic Indicator Maps, and the Traffic Indicator Message (TIM). The
setting range is 4-1000.
Space In Meter: This space in meter is used for extending ACK time-out destination. The
setting range is 0-100000. It would be better set this parameter per the actual distance. For
PTMP connection, the parameter of the Center point or Base Station would be the distance
between the Center and the farthest remote site.
TDM Time Slice Value: The setting range is 2-32 ms.
The minimum value is 20 ms for Channel bandwidth 5MHz, 10ms for Channel bandwidth
10MHz and 5 ms for Channel bandwidth 20MHz.
SoftwareRetry: The setting range is 0-15 ms.
HardwareRetry: The setting range is 1-15 ms.

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Site Survey
This Site Survey shows only when RADIO is CPE mode. By clicking the “Refresh” button,
the Site Survey will reload and display available Base Stations around the working
environment. It will display the information of each Base Station which are index, Base
Station ID, MAC address, RSSI, Channel, Connect status and Encryption. To connect one of
displayed Base Stations, just select the Base Station you desire and then click the “Select”
button to make the connection. Click the “Back” button if you want to return to the “Radio
Setting”.
Peer-to-Peer Links

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The feature lets you extend the range of your network without having to use cables to link
your RADIO, meaning that you can link bridge wirelessly. There are two modes in which
RADIO can be configured. Select the desired mode for your environment.
VBS / VLAN Settings
This section will test the VLAN functionality on the Base Station. It is expected that CPEs in
the same VLAN and the same BSS can communicate with each other while CPEs in the
different VLANs or in the same VLAN but the different BSSs can’t. It is also expected that
Base Station can only be managed through the management VLAN.
Security Profiles: For Base Station, there are up to 8 profiles to configure and work
simultaneously. For CPE mode, you need select the CPE_Profile for encryption settings. For
Peer-to-peer mode, you need select the PTP_Profile for encryption settings.
VLAN(802.1Q) Setup: Setup VLAN ID for the specified profile. Packets that are tagged (are
carrying the 802.1Q VLAN ID information) can be transmitted from one 802.1Q compliant
network device to another.

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Example 1 :
1. Enable Base Station VLAN function, set the BSS1 SSID as SSID1 and VLAN ID as 1,
BSS2 SSID as SSID2 and VLAN ID as 2;
2. CPE1 and CPE2 associates with SSID1, CPE3 and CPE4 associates SSID2;
3. Verify CPE1 and CPE2 can communicate with each other; CPE3 and CPE4 can
communicate with each other;
4. Verify CPE1 and CPE2 can NOT communicate with CPE3 or CPE4
5. Configure the other 6 BSS to different SSID and different VLAN ID, and verify the CPEs
associate with the same SSID can communicate with each other, and the CPEs associate
with the different SSID can NOT communicate with each other;
6. Change every SSID to different encryption mode, repeat step2-5 to verify Base Station
can still work fine.
Example 2 :

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1. Enable Base Station VLAN function and connect Base Station to Switch.
2. ETH1 and ETH2 connect to Switch and configure Switch as the following:
1) Configure the ports connecting to ETH1 and Base Station as VLAN1
2) Configure the ports connecting to ETH2 and Base Station as VLAN2
3) Configure the port type to Tagged which connect to Base Station
4) Configure the ports type to UnTagged which connect to ETH1 and ETH2
3. Set the BSS1 SSID as SSID1 and VLAN ID as 1, BSS2 SSID as SSID2 and VLAN ID
as 2;
4. CPE1 associates with SSID1 and CPE2 associates with SSID2;
5. Verify CPE1 can communicate with ETH1; Verify CPE2 can communicate with ETH2;
6. Verify CPE1 can NOT communicate with ETH2, and CPE2 can NOT communicate
with ETH1.
Example 3 :
1. Enable Base Station and Base Station 2 VLAN function and connect them to Switch.
2. ETH1 and ETH2 connect to Switch and configure Switch as the following:

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1) Configure the ports connecting to ETH1, Base Station 1, Base Station 2 as VLAN1
2) Configure the ports connecting to ETH2, Base Station 1, Base Station 2 as VLAN2
3) Configure the port type to Tagged which connect to Base Station 1 and Base Station 2
4) Configure the port type to Untagged which connect to ETH1 and ETH2
3. Set the BSS1 SSID as Base Station 1-SSID1 and VLAN ID as 1, BSS2 SSID as Base
Station 1-SSID2 and VLAN ID as 2;
4. CPE1 associate with Base Station 1-SSID1 and CPE2 associate with Base Station
1-SSID2;
5. Set the BSS1 SSID as Base Station 2-SSID1 and VLAN ID as 1, BSS2 SSID as Base
Station 2-SSID2 and VLAN ID as 2;
6. CPE3 associate with Base Station 2-SSID1 and CPE4 associate with Base Station
2-SSID2;
7. Verify CPE1,CPE3 and ETH1 can communicate with each other; Verify CPE2,CPE4
and ETH2 can communicate with each other;
8. Verify CPE1 can NOT communicate with CPE2, CPE4 and ETH2; Verify CPE2 can
NOT communicate with CPE3 and ETH1;
9. Change the Base Station 2-SSID1 VLAN ID to 3, Base Station 2-SSID2 VLAN ID to
4;
10. Verify CPE1, CPE2, CPE3 and CPE4 all can NOT communicate with each other.
Example 4 :
1. Enable Base Station 1 and Base Station 2 VLAN function and connect them by a
HUB;
2. Set the Base Station 1 VAP1 SSID as Base Station 1-SSID1 and VLAN ID as 1, Base
Station 1 VAP2 as Base Station 1-SSID2 and VLAN ID as 2;
3. CPE1 associate to Base Station 1-SSID1, CPE2 associate to Base Station 1-SSID2;

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4. Set the Base Station 2 VAP1 SSID as Base Station 2-SSID1 and VLAN ID as 1, Base
Station 2 VAP2 as Base Station 2-SSID2 and VLAN ID as 2;
5. CPE3 associate to Base Station 2-SSID1, CPE4 associate to Base Station 2-SSID2;
6. Verify CPE1 and CPE3 can communicate with each other; Verify CPE2 and CPE4
can communicate with each other;
7. Verify CPE1 cannot communicate with CPE2 and CPE4; Verify CPE2 cannot
communicate with CPE1 and CPE3;
8. Change Base Station 2-SSID1 VLAN ID to 3 and Base Station 2-SSID2 VLAN ID to
4;
9. Verify that CPE1, CPE2, CPE3 and CPE4 all cannot communicate with each other.
Profile Definition:
Security Profile Name is used give a name to your system.
Wireless Network Name (SSID): The Base Station ID is a unique ID used by Base Station
and CPEs to identify a wireless network. CPEs associating to any Base Station must have the
same ID. The default ID is “Wireless”. To change the ID, type in the ID you like to use. It is
case sensitive and must not exceed 32 characters.
Broadcast Wireless Network Name (SSID): For security concern, you can choose not to
broadcast your network’s ID. To turn off the broadcast of the ID, click “No” check box next
to “Broadcast Base Station ID”. And your Base Station will refuse the connection requests
from whose are not aware the Network ID. But certainly the Base Station can be easily
connected well when you realize the Network ID. The default setting is “Yes”.

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Network Authentication
Choose the Network Authentication Type.
Open System: Requires NO authentication, since it allows any device to join a network
without performing any security check. The Authentication Type default is set to “Open
System”. We recommend that you use the default setting.
Shared Key: Requires that the CPE and the Base Station use the same WEP key to
authenticate. This basically means that WEP must be enabled and configured on both the
Base Station and the CPE with a same key. All points on your network must use the same
authentication type.
WPA-PSK: If selected, you must use TKIP encryption, and enter the WPA Pre-Shared Key.
WPA2-PSK: If selected, you must use AES encryption, and enter the WPA Pre-Shared Key.
WPA Pre-Shared Key: When selecting the WAP-PSK or WPA2-PSK, you may enter 8-63
characters ranging from “a-z”, “A-Z”, and “0-9”.
Data Encryption
Select the desired option. If enabled (64 bit WEP, 128 bit WEP, 152 bit WEP), the keys must
have the same encryption strength and must be the same with the keys that other wireless
devices use. The TKIP option is automatically activated when “WPA-PSK” is enabled. And
the AES option is automatically activated when “WPA2-PSK” is enabled.
64 bits WEP : Enter 10 hexadecimal digits (between 0-9, a-f and A-F).
128 bits WEP: Enter 26 hexadecimal digits (between 0-9, a-f and A-F).
152 bits WEP: Enter 32 hexadecimal digits (between 0-9, a-f and A-F).
Note: The WEP key must be set up exactly the same on the RADIOs. If you set
“0011223344” for the Base Station or Wireless Bridge, the same WEP key “0011223344”
must be assigned to other CPEs or Wireless Bridges.
Note: If you complete the settings, please click on “Apply” for changes to take effect.
Wireless Client Security Separator
Enable this function to let associated CPEs be able to separate from each other when security
is required. The default setting is Disable.
Note: If you complete the settings, please click on “Apply” for changes to take effect.