Cooper Bussmann BU-945U-E 802.11 DSSS Diagnostics Chart, LED Indicator Condition Meaning, Dio Off

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

CHAPTER 4 - DIAGNOSTICS

4.1 Diagnostics Chart

LED Indicator

Condition

Meaning

OK

GREEN

Normal Operation

OK

RED Continuously

Supply voltage too low. OR Internal Module Fault

OK

RED At Power On

Boot Loader delay at start-up

OK

Fast Flash RED / GREEN

Module Boot Sequence

OK

Slow Flash RED / GREEN

Module Boot Sequence

Radio RX

GREEN flash

Radio receiving data

Radio RX

RED flash

Radio receiving data (Low Signal strength)

TX/LINK

GREEN

Connection Established to remote device

TX/LINK

RED Flash

Radio Transmitting

RS-232

GREEN flash

Data sent from RS-232 Serial Port

RS-232

RED flash

Data received to RS-232 Serial Port

LAN

ON

Link Established on Ethernet port

LAN

Flash

Activity on Ethernet port.

RS-485

GREEN flash

Data sent from RS-485 Serial Port

RS-485

RED flash

Data received to RS-485 Serial Port

DIO

GREEN

Digital Input is grounded.

DIO

RED

Digital Output is active

DIO

OFF

Digital Output OFF and Input is open circuit.

The green OK LED on the front panel indicates correct operation of the unit. This LED turns red on failure as described above. When the OK LED turns red shutdown state is indicated. On processor failure, or on failure during start-up diagnostics, the unit shuts down, and remains in shutdown until the fault is rectified. During Module, boot-up the OK LED flashes RED-GREEN until the boot sequence is complete.

Boot Status LED Indication during Start-up

The OK LED indicates the status of the module during the boot up process. At power on, the OK LED comes on RED. During kernel boot the OK LED flashes Red-Green at a 1Hz rate (½ second red, ½ second green). During module initialization, the OK LED flashes Red-Green at 0.5Hz rate (1-second red, 1-second green). When initialization is complete, the OK LED switches to green continuously.

If the OK LED remains red at power on, this could indicate either low supply voltage (The module will not attempt to boot until supply voltage is within range); Module fault; or a long boot delay. To check if the boot delay is the problem, plug a terminal into the RS-232 serial port and configure for 115,200 baud, 8 data, no parity.

3A1582Rev1.6

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Contents Read Retain Cooper Bussmann Application Engineering FCC NoticePhone 800 a.m 500 p.m. Central, M-F 636 Fax 636 Important Notice GNU Free Documentation LicenseCooper Bussmann Contents BU-945U-E 802.11 630mW max power Access Point vs ClientNetwork 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 Selecting a Channel LED Indication802.11 900 MHz Channels 3A1582Rev1.6 Data Throughput Based on Repeater Hops Radio ThroughputConfiguring the Unit for the First Time Default ConfigurationAccessing 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 SelectionDhcp Server Configuration DNS 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 Routing Rules WDS ConnectionsSTP Wireless Message Filtering Specifies a destination hostInformation at a later time 3A1582Rev1.6 MAC Address Filter Configuration IP 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 Module Information Configuration Modbus TCP Client Mappings on I/O Transfer MenuModule Information Webpage Fields System Tools Remote ConfigurationConfiguration Examples Setting a BU-945U-E to Factory Default SettingsExtending a Wired Network Client 1 Configuration Client 2 ConfigurationLAN B Configuration Access Point Configuration Client 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 Testing Radio Paths UtilitiesPing 3A1582Rev1.6 Arp IpconfigRoute General Power SupplyRadio Transceiver Serial PortsInput / Output status System ParametersAppendix a Firmware Upgrades Web-Based UpgradeCSMA/CA ACKCSMA/CD DhcpIeee IPX-SPXISN NAT SNRNIC SSLVPN VoIPWAN WEPDBm to mW Conversion Installation MaterialsIperf Applications 3A1582Rev1.6 JPerf Application 3A1582Rev1.6 Terms and Conditions Preamble3A1582Rev1.6 No Warranty 3A1582Rev1.6 Customer Assistance
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