Manuale d’uso / di manutenzione del prodotto BU-245U-E del fabbricante Cooper Bussmann
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Cooper Bussmann BU-245U-E Wireless Ethernet & Device Ser ver User Manual Version 1.6 3A1576Rev1.6 Read and Retain for Future Reference.
2 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Cooper Bussmann Application Engineering • Phone 8:00 a.m - 5:00 p.m. Central, M-F (636) 527-1270 • Fax: (636) 527-1607 • E-mail: FuseT ech@cooperindustries.
www .cooperbussmann.com/BussmannWirelessResources 3 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual IMPORT ANT NOTICE Cooper Bussmann products are designed to be used in industrial environments, by experienced industrial engineering personnel wit h adequate knowledge of safety design considerations.
4 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual GNU FREE DOCUMENT A TION LICENSE: © 2009 Cooper Bussmann. Cooper Bussmann is using a part of Free Software code under the GNU General Public License in operating the “BU-245U-E” product.
www .cooperbussmann.com/BussmannWirelessResources 5 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual CONTENTS 3A1576Rev1.6 CHAPTER 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 1.1 NETWORK TOPOLOGY .
6 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual CHAPTER 4 DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . .65 4.0 DIAGNOSTICS CHART . . . . . . . . . . .
www .cooperbussmann.com/BussmannWirelessResources 7 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual C HAPTER 1 INTRODUCTION The BU-245U-E Industrial 802.11 Wireless Ethernet module provide wireless connections between Ethernet devices and/or Ethernet wired networks (LAN’ s).
8 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Access Point vs. Client The Access Point unit acts as the “wireless master” unit. The Access Point accepts and authorizes links initiated by client units, and controls the wireless communications.
www .cooperbussmann.com/BussmannWirelessResources 9 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Bridge vs. Router Each BU-245U-E is configured with an IP address for the Ethernet side, and another for the wireless side.
10 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 1.2 Getting Started Quickly Most applications for the BU-245U-E require little configuration.
www .cooperbussmann.com/BussmannWirelessResources 11 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual C HAPTER 2 INST ALLA TION 2.0 General The BU-245U-E modules are housed in a rugged aluminum case, suitable for DIN-rail mounting.
12 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Dual Antenna Installations Most installations in industrial plants and factories use single omni-directional antennas.
www .cooperbussmann.com/BussmannWirelessResources 13 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Installation tips Connections between the antenna and coaxial cable should be carefully taped to prevent ingress of moisture.
14 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Directional Antennas. Directional antennas can be a: • Y agi antenna with a main beam and orthogonal elements, or • Directional radome, which is cylindrical in shape, or • Parabolic antenna.
www .cooperbussmann.com/BussmannWirelessResources 15 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 2.3 Serial Connections RS232 Serial Port The serial port is a 9 pin DB9 female and provides for connection to a host device as well as a PC terminal for configuration, field testing and for factory testing.
16 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Shorter runs of 485 cable may not require the termination resistors to be enabled. 2.4 Discrete (Digital) Input/Output The BU-245U-E has one on-board discrete/digital I/O channel.
www .cooperbussmann.com/BussmannWirelessResources 17 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual C HAPTER 3 OPERA TION 3.
18 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Roaming Clients Clients can roam within a system however if the link to.
www .cooperbussmann.com/BussmannWirelessResources 19 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual The 10M channels are also separated by 5MHz and overlap the adjacent channels by 5MHz forward and backward, i.e., Channel 41 will overlap with channel 42; channel 46 will overlap with channel 45 and 47.
20 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 802.11a (5GHz) The BU-245U-E-A utilizes frequency bands within the range of 5.
www .cooperbussmann.com/BussmannWirelessResources 21 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 3.2 Configuring the Unit for the First Time The BU-245U-E has a built-in web server , containing web pages for analyzing and modifying the module’ s configuration.
22 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Method 1 - Set PC to same network as BU-245U-E Connect the Ethernet cable between unit and the PC configuring the module. • Set the Factory Default Switch to the SETUP position.
www .cooperbussmann.com/BussmannWirelessResources 23 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual T o resume normal configured operation when Configuration is complete, switch Factory Default dip-switch on the BU-245U-E to RUN and cycle power .
24 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual • Open Internet Explorer and ensure that settings will allow you to connect to the IP address selected. If the PC uses a proxy se rver , ensure that Internet Explorer will bypass the Proxy Server for local addresses.
www .cooperbussmann.com/BussmannWirelessResources 25 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 3.4 Network Configuration Y ou can view or modify Ethernet network parameters by selecting the “Network” menu.
26 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Network Settings Webpage Fields Operating Mode Used to select Access Point (Infrastructure), Client (Infrastructure). By default this is set to Client.
www .cooperbussmann.com/BussmannWirelessResources 27 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 3.5 Security Menu Select the Radio Encryption level from the drop down menu on the Main index page and then press the “Save Changes” button.
28 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual When WP A Encryption is selected, 128bit Encryption keys are internally generated based on the Passphrase and System Address (ESSID).
www .cooperbussmann.com/BussmannWirelessResources 29 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 3.6 Normal Operation After addresses are configured, the units are ready for operation. Refer to section 1 for an explanation on the operation of a Bridge and Router .
30 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Radio Mode BU-245U-E -G support 802.11b and 802.11g radio standards and to limit operation to one or the other , select the desired standard.
www .cooperbussmann.com/BussmannWirelessResources 31 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Channel Selection BU-245U-E-G modem (2.4GHz 802.11b/g) channel selection is done by selecting one of 13 channels from the drop down “Channel” list.
32 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Throughput and Repeaters It should also be noted that if using repeaters to extend the range there will be a reduction in throughput for each repeater h op.
www .cooperbussmann.com/BussmannWirelessResources 33 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual TX Antenna Select which antenna port the module will transmit from. Selections are Main Port Only , Both (Diversity) or Auxiliary Port Only .
34 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 3.10 DHCP Server Configuration The BU-245U-E is able to act as a DHCP server , supplying IP addresses automatically to other DHCP Client devices.
www .cooperbussmann.com/BussmannWirelessResources 35 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 3.12 Spanning T ree Algorithm The bridge “Spanning T ree Protocol” function was introduced to handle network loops and provide redundant paths in networks.
36 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 3.13 Compatibility 3 Address (Layer 3 Bridge) & 4 Address Mode What Addresses are in a wireless Ethernet data frame? There are two different Wi-Fi communication “modes”, 3 Address and 4 Address Modes.
www .cooperbussmann.com/BussmannWirelessResources 37 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 240U-E Compatibility BU-245U-E-G modules can communicate with Cooper Bussmann 240U-E Ethernet modems however only in certain modes.
38 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual WDS bridge interfaces have the advantage that redundant paths are permitted when using the bridge Spanning T ree Protocol (see s ection 3.
www .cooperbussmann.com/BussmannWirelessResources 39 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Example – Extending Range Using WDS One of the most common uses for WDS is to extend the range of the wireless network using repeaters.
40 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Example - Roaming with WDS Access Points Another common use for WDS is .
www .cooperbussmann.com/BussmannWirelessResources 41 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Example – Adding Redundancy In the example below , 4 x Access Points (A, B, C, & D) form a mesh network using only WDS bridge interfaces.
42 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual The configuration for Site A and B are shown below .
www .cooperbussmann.com/BussmannWirelessResources 43 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Example – WDS Routed Network An example of using WDS router interfaces to achieve a similar physical topology to the WDS bridge example discussed earlier is illustrated below .
44 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual So, in this example, Site B has a total of three IP addresses: 192.168.5.3 for the default interface; 169.254.0.3 for the WDS link to Site A; and 169.
www .cooperbussmann.com/BussmannWirelessResources 45 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 3.15 Routing Rules When a BU-245U-E receives an IP frame that is destined for an IP address on a different network, it checks if the network addres s matches the network address of one of its own interfaces (i.
46 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual The Routing Rules configuration page can be accessed by selecting the “Routing” link on any of the configuration web pages.
www .cooperbussmann.com/BussmannWirelessResources 47 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual • The IP Address filter checks both the source address and the destination address of the message. If either address match, then t he rule is activated.
48 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Select “Blacklist” or “Whitelist” Blacklist will prevent all listed devices from accessing the module and using the radio link.
www .cooperbussmann.com/BussmannWirelessResources 49 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual ARP Filter Configuration ARP (Address Resolution Protocol) is a broadcast message and is primarily used for finding a MAC address when only its IP or so me other Network Layer address is known.
50 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual T o configure Windows XP to establish a PPP connection to a BU-245U-E in SETUP mode, follow these steps: 1. On Network Connections in Windows XP , select Create a new connection.
www .cooperbussmann.com/BussmannWirelessResources 51 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Some of the possible Serial Gateway topologies are illustrated below . There are software packages available (i.e., SerialIP Redirector by T actical Software) that can create a virtual serial port on a PC.
52 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 3.18 Serial Menu RS232 / RS485 Serial Port Configuration RS232 Port Select the desired functionality . Select either PPP , Serial Gateway or Modbus TCP to R TU Data Rate The serial data rate desired.
www .cooperbussmann.com/BussmannWirelessResources 53 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual RS232 / RS485 Serial Gateway Serial Gateway Mode Ser ver - Module will wait for a connection to be initiated by a remote Client.
54 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 3.19 Multicast Pipe Manager Previously it has been difficult to connect a single TCP device, i.e., a Scada / DCS system to multiple remote multicast serial d evices.
www .cooperbussmann.com/BussmannWirelessResources 55 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 3.20 Digital Input/Output The functionality of the shared Digital Input/Output pin may be configured via the “I/O T ransfer” webpage.
56 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual All Modbus Master messages are directed to/from the onboard I/O registers depending on configuration (described below). The Modbus TCP Client may also poll Modbus RTU (i.
www .cooperbussmann.com/BussmannWirelessResources 57 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual • The first will write the register 4300 (Local Digital Input) to server IP address 192.168.0.200 (Unit B), Device ID #1, register 4320 (Local Digital output).
58 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Modbus TCP Client Mappings on I/O T ransfer Menu: Local Register Enter the starting onboard I/O register number that the specified Modbus Master transaction will transfer I/O to/from.
www .cooperbussmann.com/BussmannWirelessResources 59 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 3.23 System T ools The System T ools Page has a number of tools that help maintain the module firmware and configuration. TCP Throughput T est Performs a Throughput T est.
60 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Connect to the web page of the module that will be performing the Iperf.
www .cooperbussmann.com/BussmannWirelessResources 61 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 3.25 Remote Configuration Because a module configuration is viewed and .
62 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Extending a Wired Network Access Point Configuration Connect straight through Ethernet cable between PC and BU-245U-E.
www .cooperbussmann.com/BussmannWirelessResources 63 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Connecting two Separate Networks T ogether LAN A Configuration In this example, LAN A is connected to the internet via a router at IP address 192.
64 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Client Configuration Perform the same configuration steps as the Access Point configuration with the following differences: Enter “Network”, and select Operating Mode as Client.
www .cooperbussmann.com/BussmannWirelessResources 65 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual C HAPTER 4 DIAGNOSTICS 4.0 Diagnostics Chart LED Indicator Condition Meaning OK GREEN Normal Operation OK RED Continuously Supply voltage too low .
66 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 4.1 Diagnostic Information Av ailable Connectivity The Connectivity webpage displays connections and available networks.
www .cooperbussmann.com/BussmannWirelessResources 67 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 4.2 Channel Survey The Cooper bussmann 802.11 Ethernet modem utilizes a half duplex radio channel for communications. At any given time, an Access P oint and its associated clients occupy a radio channel.
68 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual The third screen shot shows the average Channel utilization for each minute up to one hour . It will also give a running average for the total number of minutes up to 59 minutes.
www .cooperbussmann.com/BussmannWirelessResources 69 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 4.3 Custom Survey Custom Survey is essentially the same as the Channel .
70 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual With this sort of outside interference it is recommended to perform the same test but over a longer period so as to get a clear er indication of channel utilization.
www .cooperbussmann.com/BussmannWirelessResources 71 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 4.5 Internal Diagnostics Modbus Registers There are a number of internal diagnostic registers that can be accessed via Modbus TCP/RTU that will help with analyzing and d iagnosing the radio network.
72 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Statistic Register Module Description 4500 Both T otal data packets rec.
www .cooperbussmann.com/BussmannWirelessResources 73 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 4.6 T esting Radio Paths Connection and Signal Strength The general procedure for radio range testing a link is fairly simple.
74 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 4.7 Utilities “Ping” Ping is a basic Internet program that lets you verify that a particular IP address exists and can accept requests.
www .cooperbussmann.com/BussmannWirelessResources 75 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual ”Ipconfig” “ipconfig” can be used to show your current TCP/IP information, including your address, DNS server addresses, adapter type and so o n.
76 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual ”Route” Route is used for the Router function. This is where you are joining 2 different networks together via the BU-245U-E refer to Se ction 1.
www .cooperbussmann.com/BussmannWirelessResources 77 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual C HAPTER 5 SPECIFICA TIONS General EMC specification EN 300 683 FCC Part 90 Radio specification EN 300 328 FCC Part 15.247, RSS 210 Housing 114 x 140 x 30mm, Powder -coated, extruded aluminum, DIN rail mount 4.
78 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual Serial Ports RS232 Port DB9 female DCE R TS/CTS/DTR/DCD hardware signals provided RS485 Port 2 pin terminal block Max distance 4000’ / 1.
www .cooperbussmann.com/BussmannWirelessResources 79 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual A PPENDIX A FIRMW ARE UPGRADE Determine which firmware version is present in the module to be upgraded by viewing the index webpage of the module.
80 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual A PPENDIX B GLOSSARY 3A1576Rev1.
www .cooperbussmann.com/BussmannWirelessResources 81 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 3A1576Rev1.6 Encryption Key An alphanumeric (letters and/or numbers) series that enables data to be encrypted and then decr ypted so it can be safely shared among members of a network.
RJ-45 Standard connectors used in Ethernet networks. RJ-45 connectors are similar to standard RJ-11 telephone connectors, but RJ-45 connectors can have up to eight wires, whereas telephone connectors have four . Server A computer that provides its resources to other computers and devices on a network.
www .cooperbussmann.com/BussmannWirelessResources 83 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual TCP/IP The underlying technology behind the Internet and communications between computers in a network.
84 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual A PPENDIX C CHANNELS 802.
www .cooperbussmann.com/BussmannWirelessResources 85 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 802.11a – Maximum Radio T ransmitter Power Frequency Europe max TX Eu.
86 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual A PPENDIX D 802.11 A & TX P OWER U-NII Frequency EU & South Afr.
www .cooperbussmann.com/BussmannWirelessResources 87 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual A PPENDIX E E XTERNAL I PERF T EST This Appendix shows how to set up and use the Iperf application to test the throughput of Ethernet Modems.
88 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual This time enter the Iperf command to start the client communication to the server . “Iperf –c <IP address of Ser ver PC> -w 65535.
www .cooperbussmann.com/BussmannWirelessResources 89 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual JPerf Application Jperf is a graphical interface that runs over the top of Iperf. It will display a graph result from the Iperf test.
90 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual A PPENDIX F GNU F REE D OC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc.
www .cooperbussmann.com/BussmannWirelessResources 91 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 2. Y ou may modify your copy or copies of the Program or any portion of.
92 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 6. Each time you redistribute the Program (or any work based on the Pro.
www .cooperbussmann.com/BussmannWirelessResources 93 Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual 3A1576Rev1.6.
PDF Only Customer Satisfaction T eam Available to answer questions r egarding Cooper Bussmann products & services Monday-Friday , 8:00 a.m. – 4:30 p.m. for all US time zones. s Toll-free phone: 855-287-7626 (855-BUSSMANN) s T oll-free fax: 800-544-2570 s E-mail: busscustsat@cooperindustries.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Cooper Bussmann BU-245U-E è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Cooper Bussmann BU-245U-E - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cooper Bussmann BU-245U-E imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cooper Bussmann BU-245U-E ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cooper Bussmann BU-245U-E, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Cooper Bussmann BU-245U-E.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Cooper Bussmann BU-245U-E. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cooper Bussmann BU-245U-E insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
