Cooper Bussmann BU-945U-E 802.11 DSSS See Appendix C for dBm to mW conversion, Channel AP Only

Models: BU-945U-E 802.11 DSSS

1 82
Download 82 pages 13.84 Kb
Page 29
Image 29

Cooper Bussmann Wireless Ethernet & Device Server BU-945U-E 802.11 DSSS User Manual

Select the “Radio” Menu to change the following configuration parameters. If a change is made, you need to select “Save Changes” to retain the changes. Changes will not take effect until the unit is reset.

Radio Mode

BU-945U-E Only Supports the 802.11 Standard

Transmit Power

This allows adjustment of the radio power. Do not set the radio Level power above the allowed setting

 

for your country You can reduce the power for short range applications, or to allow the use of high gain

 

transmitter antennas while still complying with the emission requirements of your country.

 

See Appendix C - for dBm to mW conversion

Channel (AP Only)

Select available channel, frequency and bandwidth from drop down list. Different Regions will only

 

show the channels available for that region.

Channel Width

Used when configuring Clients (STA). A Client will scans for available AP’s that it can then connect with.

 

Selecting a Channel Width will limit the number of channels the Client will scan, i.e., if 5MHz is selected

 

then the Client will only scan the MHz channels, If Auto is selected then it will scan all channels and all

 

bands (Default is Auto)

Transmit Data Rate

The radio baud rate in Mega (million) bits per second (Mbps) for point to point radio transmissions. The

 

default value is Auto. Select a fixed rate to force the radio to use the selected rate.Note: Increasing the

 

Transmit Data rate will decrease the Transmit power level i.e., 36Mbps data rate will reduce the TX

 

power to 400mW, 48Mbps will reduce the power to 200mW, and 54 Mbps will reduce the power to

 

125mW.

Basic Rate

This is the default data rate that the AP uses when sending beacons Beacon Interval (AP only) This

 

interval is the period between beacon transmissions sent by an Access Point. The default value is

 

100 milliseconds, and it may be adjusted from 50 to 4095 milliseconds.

DTIM Period (AP only)

DTIM sets which beacon frames incorporate extra information for low power sleeping client devices.

 

Normally set this to 1.

RTS Threshold “Ready to Send”

RTS frames can be used to help avoid radio collisions between two stations that cannot directly hear

 

each other. Any frame larger than RTS Threshold bytes will be preceded by an RTS message. The

 

default value of RTS Threshold is 2346, which effectively disables RTS signalling, as this value is larger

 

than the maximum frame size (Fragmentation Threshold).

Fragmentation Threshold

(Client Stations only). The maximum transmission unit (MTU) of data over the radio. If more than this

 

number of bytes is input into the module, it will be transmitted in more than one message

 

(or fragmented).

Enable Receive

Enables Radio to receive on both antenna ports Diversity

Enable Transmit Diversity

Enables Radio to transmit from both antenna ports. Module does not transmit from both ports at the

 

same time. If needed, i.e., broadcast messages the radio will toggle transmissions between the

 

antenna ports.

Interference Mitigation

Interference Mitigation should only be turn on (Default is Off) if using Demo Omni antennas or if there

 

is a high level of background interference. By enabling this option the radio will dynamically adjust radio

 

parameters to help mitigate interference based on any background interference. It will reduce the

 

receiver sensitivity and so should only be enabled on paths with a high fade Margin and good

 

signal quality, etc.

Disable SSID broadcast. (AP only)

This should be used to prevent unwanted eavesdroppers from detecting the radio network System

 

Address (SSID) by passively listening to beacon transmissions from the Access point. When disabled,

 

Access Points will not transmit the System Address openly in Beacon messages. This is particularly useful

 

in unencrypted radio networks.

Bursting

Selecting this option can increase the data throughput by reducing the overheads associated with

 

wireless transmissions. If communicating with a device that does not support bursting the modem will

 

drop back to non-bursting mode.

Passive Scanning (STA only)

Selecting this item stops a Client device from sending “probe request” messages when it is searching

 

for an access point to connect to. Instead, the client waits for a beacon transmission from the

 

access point.

3A1582Rev1.6

www.cooperbussmann.com/BussmannWirelessResources

29

Page 29
Image 29
Cooper Bussmann BU-945U-E 802.11 DSSS See Appendix C for dBm to mW conversion, Channel AP Only, Channel Width, 125mW