Cooper Bussmann BU-945U-E 802.11 DSSS user manual DBm to mW Conversion

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

APPENDIX C - POWER CONVERSION

dBm to mW Conversion

Watts	dBm	Watts	dBm
10 mW	10 dB	200 mW	23 dB
13 mW	11 dB	316 mW	25 dB
16 mW	12 dB	398 mW	26 dB
20 mW	13 dB	500 mW	27 dB
25 mW	14 dB	630 mW	28 dB
32 mW	15 dB	800 mW	29 dB
40 mW	16 dB	1.0 W	30 dB
50 mW	17 dB	1.3 W	31 dB
63 mW	18 dB	1.6 W	32 dB
79 mW	19 dB	2.0 W	33 dB
100 mW	20 dB	2.5 W	34 dB
126 mW	21 dB	3.2 W	35 dB
158 mW	22 dB	4.0 W	36 dB

3A1582Rev1.6

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Contents Read Retain FCC Notice Cooper Bussmann Application EngineeringPhone 800 a.m 500 p.m. Central, M-F 636 Fax 636 GNU Free Documentation License Important NoticeCooper Bussmann Contents Access Point vs Client BU-945U-E 802.11 630mW max powerNetwork Topology 3A1582Rev1.6 Bridge vs. Router Getting Started Quickly General Antenna InstallationPlant and Factory Installations Bench test and Demo System SetupLine-of-sight installations AntennasOmni-directional Antennas Installation tipsSerial Connections Power SupplyDirectional Antennas RS232 Serial PortRS485 Serial Port DB9 Connector Pinouts3A1582Rev1.6 Discrete Digital Input/Output Start-up LED Indication Selecting a Channel802.11 900 MHz Channels 3A1582Rev1.6 Data Throughput Based on Repeater Hops Radio ThroughputDefault Configuration Configuring the Unit for the First TimeAccessing Configuration for the First Time Enter the username user and default password user Power up the BU-945U-E moduleMethod 1 Set PC to same network as BU-945U-E For local addresses3A1582Rev1.6 Quick Start Quick Start ConfigurationNetwork Configuration Wireless ports will have the same IP address Dhcp Server Configuration, Default is uncheckedConfigured Essid of the client Save Changes and ResetEncryption keys must not be all zeros, i.e Security Menu3A1582Rev1.6 Normal Operation Radio ConfigurationTransparent Bridge Operation Router OperationSignal quality, etc Bands Default is AutoDrop back to non-bursting mode Access pointRadio Mode BU-945U-E Only Supports the 802.11 Standard Dhcp Client ConfigurationDefault distance is 20km Channel SelectionDNS Server Configuration Dhcp Server ConfigurationSpanning Tree Algorithm / Redundancy Multiple AP Repeater Mesh Network 3A1582Rev1.6 Site B WDS Configuration Example Extending range using WDSExample Adding Redundancy Example Roaming with WDS Access Points3A1582Rev1.6 Example WDS Routed Network Mouse, to highlight the entire row WDS Connections Routing RulesSTP Specifies a destination host Wireless Message FilteringInformation at a later time 3A1582Rev1.6 IP Address Filter Configuration MAC Address Filter ConfigurationUtilize the radio link. All other devices are blocked ARP Filter Configuration RS-232 PPP Server Serial Port ConfigurationSerial Gateway Modbus Modbus RTU to TCP Serial Gateway Server/Client/MulticastSerial Menu Modbus TCP to RTU GatewayMulticast Pipe Manager Port on the Client, i.e., Scada, DCS, etc Digital Input/OutputMulticast Group IP Address To be the same on all communicating Multicast devicesModbus I/O Transfer 3A1582Rev1.6 Modbus TCP Configuration on I/O Transfer Menu Modbus TCP Client Mappings on I/O Transfer Menu Module Information ConfigurationModule Information Webpage Fields System Tools Remote ConfigurationSetting a BU-945U-E to Factory Default Settings Configuration ExamplesExtending a Wired Network Client 2 Configuration Client 1 ConfigurationLAN B Configuration Client Configuration Access Point ConfigurationExtending Range of a Network with a Repeater Hop Boot Status LED Indication during Start-up Diagnostics ChartLED Indicator Condition Meaning RED ContinuouslyConnectivity Diagnostic Information AvailableConnectivity Parameters Site SurveyNetwork Traffic Analysis Statistics9999 Both Reset module enter Ffff to reset module Internal Diagnostic Modbus RegistersConnection Information 5014 STA OnlyStatistic Registers Utilities Testing Radio PathsPing 3A1582Rev1.6 Arp IpconfigRoute General Power SupplyRadio Transceiver Serial PortsInput / Output status System ParametersAppendix a Firmware Upgrades Web-Based UpgradeCSMA/CA ACKCSMA/CD DhcpIPX-SPX IeeeISN NAT SNRNIC SSLVPN VoIPWAN WEPDBm to mW Conversion Materials InstallationIperf Applications 3A1582Rev1.6 JPerf Application 3A1582Rev1.6 Terms and Conditions Preamble3A1582Rev1.6 No Warranty 3A1582Rev1.6 Customer Assistance