Gebruiksaanwijzing /service van het product AWK-5222 van de fabrikant Moxa
Ga naar pagina of 100
Moxa AirW orks A WK-5222 User ’ s Manual First Edition, June 2009 www .moxa.com/product © 2009 Moxa Inc. All righ ts reserved. Reproducti on without perm ission is prohibit ed.
Moxa AirWorks AWK-5222 User’s Manual The Moxa s oftware described in this manual is furnished u nder a license agreem ent and may be use d only in accordance with the term s of that agreement. Copyright Notice Copyright © 2009 Moxa Inc. All rights reserved.
Table of Contents Chapter 1 Introduction .................................................................................................. 1-1 Overview...................................................................................................
Relay St atus ................................................................................................................ 3-51 DI and Power Status ...................................................................................................
1 1 Chapter 1 Introduction Moxa Air Works AWK-52 22 with dual-RF wireless capability allows wireless users to access network res ources more reliabl y.
AWK-5222 User’s Manual Introduction 1-2 Overview The A WK-5222 Access Point/Bridge and AP Client is ideal for applicatio ns that need a more reliable solut ion, and are har d to wire, too e xpensive to wire , or use mobile equi pment that connects to a TCP/IP network.
AWK-5222 User’s Manual Introduction 1-3 y Operating te mperature ranges from -40 to 7 5°C (-T model) y Power input by redundant 24 VD C power inputs or IEEE802.3af Power over Ethern et y DIN-Rail or wall moun ting ability y IP30 protected hi gh-strength me tal housing Product Specifications WLAN Standards IEEE 802.
AWK-5222 User’s Manual Introduction 1-4 Antenna Connector RP-SMA (male) Connection 10-pin Rem ovable Terminal Bl ock Alarm Contact 1 relay outp ut (capacity: 1A @24VDC) Digital Input 2 electrically-isolated inputs ‧ +3 to -30V for state “0” (OFF) ‧ 13 to 30V for state “1” (ON) ‧ Max.
AWK-5222 User’s Manual Introduction 1-5 ATTENTION The A WK-5222 is NOT a portable mobile device and should be located at least 20cm away from the human b ody . The A WK-5222 is NOT designe d for the general public. T o deploy A WK-5222s and establish a wireless network safely , a well-tra ined technician is required for installation.
AWK-5222 User’s Manual Introduction 1-6 ATTENTION When th e LEDs for ST A TE (Green), FA U LT , WLAN1 and WLAN2 all light up simultaneously and blink at one-second intervals, it means the system failed to boot. This may be due to improper operation or uncontroll able issues, such a s an unexpected s hutdown duri ng firmware up date.
AWK-5222 User’s Manual Introduction 1-7 Relay (Digital Output) The A WK-5222 has one relay output, which consists o f the 2 termi nal block contacts on the top panel, as show n below . These relay contact s are used to forward system failure and user-configur ed even ts.
AWK-5222 User’s Manual Introduction 1-8 Antenna If you need t o improve the performance of the M ain1 and Main2 ant ennas, you can c onnect additional anten nas to the side panel of the A WK-5222 using an anten na cable (Position A: AUX1 and Position B: AUX2).
2 2 Chapter 2 Getting Started This chapter explains how to install Moxa’s Ai rWorks AWK-52 22 for the firs t time, and quickly set up your wireless network and test whether the connectio n is running well. With the function guide, you can find out the fu nctions you need easil y.
AWK-5222 User’s Manual Getting Started 2-2 First-time Installation and Configuration Before installing the AWK-5222, make sure th at all items in the Package Check list are in the box. In addition, you will need access to a noteboo k co mputer or PC equipped with an Ethernet port.
AWK-5222 User’s Manual Getting Started 2-3 Step 4: Use the web-based ma nager to confi gure AWK-5222 Open your com puter’s web browser and type http ://192.
AWK-5222 User’s Manual Getting Started 2-4 Step 5: Select the operation m ode for the AWK-5222. By default, the AWK-5222 ’s operation mode is set to Wireless redundan cy. You can change the setting in Wireless Settings Æ Operation mode if you would like to use the Wireless bridge or AP-Client mode instead.
AWK-5222 User’s Manual Getting Started 2-5 Testing Method for two or more AWK-5222s If you have two or more AWK-5222s, you will need a second notebook computer (B) equipped with an Ethernet port. Use the default settings for th e first AWK-5222 connected to notebook A and change the second or third AWK-5222 connected to notebook B to Client mode.
AWK-5222 User’s Manual Getting Started 2-6 A quick overview of the A WK-5222’ s status Basic settings for administering the A WK-5222 Essential settings rela ted to establishing a wireles s networ.
3 3 Chapter 3 Web Console Configuration In this chapter , we will explain each web management page of the web-ba sed console configuration. Moxa’ s easy-to-use management fu n ctions will help you set up your A WK-5222, as well as establish and maintain yo ur wireless network easily .
AWK-5222 User’s Manual Other Console Configura tions 3-2 Configuration by Web Browser Moxa A WK-5222’ s web browser inte rface provides a convenient way to modify its configuration and access the built-in monitoring and net work administration functions.
AWK-5222 User’s Manual Other Console Configura tions 3-3 Y ou can use the m enu tree on the left side of the window t o open the function pa ges to access each of A WK-5222’ s functions . In the following p aragraphs, we will g o through each of the A WK-5222’ s management function s in detail.
AWK-5222 User’s Manual Other Console Configura tions 3-4 Overview The Overview page s ummarizes the A WK-5222’ s current status. The information is categorized into several groups: System info , Device info and 802.
AWK-5222 User’s Manual Other Console Configura tions 3-5 Device description Setting Description Factory Defaul t Max. 31 Characters Use this space to record m ore detailed description of A WK-5222 None Device name Setting Description Factory Defaul t Max.
AWK-5222 User’s Manual Other Console Configura tions 3-6 Setting Description Fact ory Default A WK-5222’ s default gateway The IP address of the router that connects the LAN to an outside network.
AWK-5222 User’s Manual Other Console Configura tions 3-7 Setting Description Factory Default User adjustable time The date and time parameters allow configuration of the local time with immediate activation. None (yyyy/mm/dd h h:mm:ss format; 24-hour format.
AWK-5222 User’s Manual Other Console Configura tions 3-8 Wireless Settings The essential settings for wireless networks are pres ented in this function group.
AWK-5222 User’s Manual Other Console Configura tions 3-9 W ith the new wireless redundancy techno logy , you can set up a redundant wir eless connection between a r edundant client device and a r edundant AP device.
AWK-5222 User’s Manual Other Console Configura tions 3-10 The following f igure shows the W ireless Redundancy op eration mode: WLAN Operat ion mode Setting Description Factory Defaul t Redundant AP AP with Dual RF re dundancy capable of serving d ual RF clients.
AWK-5222 User’s Manual Other Console Configura tions 3-11 Wireless Bridge A bridg e is a network component that connects two network s. A WK-5222’ s bridge operation is based on the AP ( master ) and Client ( Slave ) concept. Both sides of the connecti on must have t he same RF type, SSID, and security settings.
AWK-5222 User’s Manual Other Console Configura tions 3-12 AP-Client AP-Client mode provides a more flexible topolo gy to allow the user t o configure the 2 RF module for an AP or Client.
AWK-5222 User’s Manual Other Console Configura tions 3-1 Enabling Non-Redundant (Single RF) AP Wireless Redundancy mode’s Redundant AP This AP functionality can be set to Enable or Disable on the basic wireless settings page.
AWK-5222 User’s Manual Other Console Configura tions 3-14 Wireless Bridge Mode’s Master Y ou are allowed to edit th is AP functionality to Enable or Disable on the basic wireless settings page.
AWK-5222 User’s Manual Other Console Configura tions 3-15 Basic Wireless Setting The following figure shows the Basic Wi reless Settings page. The parameters and options are described as follows: NOTE Please note that WLAN 1’s RF type supports 802.
AWK-5222 User’s Manual Other Console Configura tions 3-16 NOTE If your device uses redun dant Client, Client, or Slave mode, you can find an additional Site Survey button on basic wirele ss settings page. T he button supports site survey and pop s up a dialog box listing the information for available APs, as shown in the following figure.
AWK-5222 User’s Manual Other Console Configura tions 3-17 The A WK-5222 provides four stand ardized wireless security modes: Open, WEP (W ired Equivalent Privacy), WP A (Wi -Fi Protected Access) and WP A2.
AWK-5222 User’s Manual Other Console Configura tions 3-18 specified as 64/128 bits, which is actually a 40 /104-bit secret key with a 24-bit initialization v ector . The A WK-5222 provid es 4 entities of WEP key settings th at can be selected to use with Key inde x .
AWK-5222 User’s Manual Other Console Configura tions 3-19 WEP key 1-4 Setting Description Factory Default ASCII type: 64 bits: 5 chars 128 bits: 13c hars HEX type: 64 bits: 10 hex chars 128 bits: 26 he x chars A string that can be use d as a WEP seed for RC4 encry ption engine.
AWK-5222 User’s Manual Other Console Configura tions 3-20 legacy AP clients. This option is rarely used. *Thi s option is available in Red undant AP , AP , or Master mode o nly , and cannot support AE S-enabled clients.
AWK-5222 User’s Manual Other Console Configura tions 3-21 WP A Type Setting Description Factory Default Personal Provi des Pre-Shared Key-enabled WP A and WP A2 Enterprise Provides enterprise-level .
AWK-5222 User’s Manual Other Console Configura tions 3-22 Primary/ Secondary RADIUS shar ed key Setting Description Factory Default Max. 31 characters The secret key shared between AP and RADIUS s e.
AWK-5222 User’s Manual Other Console Configura tions 3-23 AES A dvance E ncrypti on S ystem is enabled EAP Protocol Setting Description Factory Default TLS Specifies T ransport L ayer S ecurity prot.
AWK-5222 User’s Manual Other Console Configura tions 3-24 Y ou can check the current certificate status in Current S tatus if it is available. Certificate issued to : shows the certificate user . Certificate issued by : shows the certificate issuer .
AWK-5222 User’s Manual Other Console Configura tions 3-25 TTL Inner Authentication Setting Description Factory Default PA P P assword A uthe ntication P rotocol is used CHAP C hallenge H andshake A .
AWK-5222 User’s Manual Other Console Configura tions 3-26 MS-CHAP- V2 merely as an EAP method f or inner authent ication. Inner EAP protocol Setting Description Factory Default MS-CHAP -V2 Microsoft C HAP version 2 is used MS-CHAP-V2 Anonymous Setting Description Factory Default Max.
AWK-5222 User’s Manual Other Console Configura tions 3-27 T ransmission Rate Setting Description Factory Default Auto A WK-5222 will sense and adjust the data rate automatically A vailable rates Use.
AWK-5222 User’s Manual Other Console Configura tions 3-28 Fragment thr eshold Setting Description Factory Defau lt Fragment Length (256-2346) This parameter specifies the maximum size a data packet .
AWK-5222 User’s Manual Other Console Configura tions 3-29 enabled to supp ort long-distance transmission. Transmission enhancement is also recommended t o enable communication at both ends when long-distance transmission is required . A high-gain antenna installed at a fixed an tenna connector can also im prove performance.
AWK-5222 User’s Manual Other Console Configura tions 3-30 When EAP-TLS is used, a WLAN Certificate w ill be required at the client end to support WP A/WP A2-Enterprise.
AWK-5222 User’s Manual Other Console Configura tions 3-31 NOTE The WLAN certificate will remain after the AWK-5222 reboots. Even though it is exp ired, it can still be seen on Current Certificate . Advanced Settings Several advanced functions are available to in crease the functionality of your A WK-5222 and wireless network system.
AWK-5222 User’s Manual Other Console Configura tions 3-32 Setting Description Factory Default Enable Enables A WK-5222 as a DH CP server Disable Disable DHCP server function Disable Default gatew ay.
AWK-5222 User’s Manual Other Console Configura tions 3-33 Packet Filters The A WK-5222 includes various filters for IP-base d packets going through LAN and WLAN interfaces. Y ou can set these filters as a fi rewall to help enhance network security .
AWK-5222 User’s Manual Other Console Configura tions 3-34 IP Protocol Filter The A WK-5222’ s IP protocol filter is a policy-ba sed filter that can allow or filter out IP-based packets with specified IP protocol an d source/destination IP a ddresses.
AWK-5222 User’s Manual Other Console Configura tions 3-35 TCP/UDP Port Filter The A WK-5222’ s TCP/ UDP port filter is a policy-based filter that can allow or filter out TCP/UDP-based packets wit h a speci fied source or destinati on port.
AWK-5222 User’s Manual Other Console Configura tions 3-36 RSTP Settings (for Master or Slave mode only ) AWK-5222 suppor ts IEEE802.1D Spanning Tree Proto col and IEEE802.1w Rapid STP standards. In addition to eliminatin g unexpected path looping, STP/RSTP can provide a backup path recovery if a wired/ wireless path fails a ccidentally.
AWK-5222 User’s Manual Other Console Configura tions 3-37 Forwardin g delay Setting Description Factory Default Numerical value input by user (4 – 30 seconds) The amount o f time this devic e waits before checking to see if it should change to a diff erent topology .
AWK-5222 User’s Manual Other Console Configura tions 3-38 SNMP Agent The AWK-5222 suppo rts SNMP V1/V2c/V3. SNMP V1 and SNMP V2c use a community strin g match for authentication, which means that SNMP servers access all objects with read-only or read/write pe rmissions using the communi ty string public / private (default va lue).
AWK-5222 User’s Manual Other Console Configura tions 3-39 The following parameters can be c onfigured on the SNMP Agen t page. A m ore detailed explanation of each parameter is given below the following figure.
AWK-5222 User’s Manual Other Console Configura tions 3-40 Admin auth type (for V1, V2c, V3, and V3 only) Setting Description Factory Default No Auth Use admin account to access objects. No authentication MD5 Provide a uthentication base d on the HMAC-MD5 algorithm s.
AWK-5222 User’s Manual Other Console Configura tions 3-41 Auto Warning Settings Since industrial-grade devices ar e often located at th e endpoints of a system, these devices will not always know what is happening elsewhere on the network.
AWK-5222 User’s Manual Other Console Configura tions 3-42 System-related eve nts Event is triggered when… System restart (warm start) The AWK-5222 is rebooted, such as when its settings are changed (IP address, subnet mask, etc.
AWK-5222 User’s Manual Other Console Configura tions 3-43 Syslog This function provides the even t logs for the Syslog server. The function supports up to three configurable S yslog servers a nd Syslog server UDP port numbers. When an event occurs, the event will be sent as a Syslog UDP packet to the specified Syslo g servers.
AWK-5222 User’s Manual Other Console Configura tions 3-44 E-mail E-mail Event Types Check the box for Ac tive to enable the even t items. All default values are deactivated (unch ecked). Details for each event item can be found on the “System log Event Typ es” table on page 3-31.
AWK-5222 User’s Manual Other Console Configura tions 3-45 E-mail Server Settings You can set up to 4 e -mail addresses to receive alarm emails from the AWK-5222.
AWK-5222 User’s Manual Other Console Configura tions 3-46 Relay The A WK-5222 has one relay output, which consists o f 2 terminal block contacts on the A WK-5222’ s top panel. These relay contacts are used to indicate user -configured events and system failure.
AWK-5222 User’s Manual Other Console Configura tions 3-47 Trap Traps can be u sed to signal abnorm al conditions ( notifications) to a m anagement stati on.
AWK-5222 User’s Manual Other Console Configura tions 3-48 SNMP Trap Receiver Settings SNMP traps ar e defined in SM Iv1 MIBs (SNM Pv1) and SMIv 2 MIBs (SNMP v2c). The two st yles are basically equi valent, and i t is possible to conve rt between the two.
AWK-5222 User’s Manual Other Console Configura tions 3-49 Status Wireless Status The status for 802.1 1 info param eters, such as Operation mode and Cha nnel, are shown on the Wireless Status page. The status will refresh every 5 seconds if the Auto refresh box is checked.
AWK-5222 User’s Manual Other Console Configura tions 3-50 DHCP Client List (for AP mode only) When you enable the DHCP server, the DHCP Client List show s all the clients that require and have successfully received IP assignments. You can click the Refresh button to refresh the list.
AWK-5222 User’s Manual Other Console Configura tions 3-51 Relay Status The status of user-configurable even ts can be found under Relay Status . The status will refresh every 5 seconds if the Auto r efresh box is checked. If an event is trigg ered, it will be noted on this list.
AWK-5222 User’s Manual Other Console Configura tions 3-52 Maintenance Maintenance f unctions provi de the administ ra tor with tools to manag e the AWK-5222 and wired/wirele ss networks. Console Settings You can ena ble or disable access pe rmission for the following consol es: HTTP, HTTP S, Telnet and SSH connections.
AWK-5222 User’s Manual Other Console Configura tions 3-53 Firmware Upgrade The AWK-5222 can be enhanced with more value-add ed functions by installing firmware upgrades. The latest firm ware is av ailable at Moxa’s download center. Before running a firmware upgrade, m ake sure the AWK-522 2 is off-line.
AWK-5222 User’s Manual Other Console Configura tions 3-54 Load Factory Default Use this function to reset the AWK-5222 and roll all setting s back to the factory default valu es. You can also reset the hardware by pressing the reset button on the top panel of t he AWK-5222.
AWK-5222 User’s Manual Other Console Configura tions 3-55 Save Configuration The following figure shows how the AWK-5222 stores the setting changes into volatile and non-volatile memory. All data stored in volatile memory will disappear when the AWK-5222 is shutdown or re booted unless they are y .
AWK-5222 User’s Manual Other Console Configura tions 3-56 If you ru n the Restart function without changing any con figurations or saving all your changes, you will see just on e Restart button on your screen. You will not be able to run any of the AWK-5222 ’s function s while the system is rebooting.
4 4 Chapter 4 Software Installation/Configuration In this chapter , we cover the following topics: Overview AWK Search Utility ¾ Installing AWK Search Utility ¾ Configuring AWK Search Utilit.
AWK-5222 User’s Manual Softwa re Installation/Configuration 4-2 Overview The Docume ntation & Softwa re CD included with your A WK-5 222 is designed t o make the installation and configuration procedure easy and straightforward.
AWK-5222 User’s Manual Softwa re Installation/Configuration 4-3 3. Click Next to install program files to the default directory , or click Browse to select an alternate location. 4. Click Next to create the program’ s shortcut files to th e default directory , or click Br owse to select an alternate location.
AWK-5222 User’s Manual Softwa re Installation/Configuration 4-4 5. Click Next to select additional tasks. 6. Click Next to proceed with the installation.
AWK-5222 User’s Manual Softwa re Installation/Configuration 4-5 7. Click Install to begin the in stallation. The setup window will report the progress of the installation. T o change the installation settings, click Back and navigate to the previous s creen.
AWK-5222 User’s Manual Softwa re Installation/Configuration 4-6 2. Open the A WK Search Utility and then click the Sear ch icon. The “Searching” window indicates the progress of the search. 3. When the search is complete, all A WKs that were located will be displayed in the A WK Search Utility window .
AWK-5222 User’s Manual Softwa re Installation/Configuration 4-7 Make sure your A WK is unlocked before using the search utility’ s icons setting. The A WK will unlock automatically if the password is set to the default. Otherwise you must enter the new password manually .
AWK-5222 User’s Manual Softwa re Installation/Configuration 4-8 Use the scroll down list to select the MAC addresses of those A WKs you would like to manage, and then click Add .
AWK-5222 User’s Manual Softwa re Installation/Configuration 4-9 T o modify the configuration of the h ighlighted A WK, click on the W eb icon to open the web console. This will take you to the web console, where you can make all configuration chan ges.
AWK-5222 User’s Manual Softwa re Installation/Configuration 4-10 Click Assign IP to change the IP setting. The three advanced options— Search , Connection , and Miscellaneous —are explai ned below: Search Retry count (default=5): Indicates how many times the search will be retried automatically .
AWK-5222 User’s Manual Softwa re Installation/Configuration 4-11 Connection Connection timeout (secs): Use this option to set the waiting time for the Default Logi n, Locate, Assign IP , Upload Firmwar e , and Unlock to com plete.
5 5 Chapter 5 Other Console Configurations This chapter explains how t o access the AWK-5222 for the first time. In a ddition to HTTP access, there are four ways to access AWK-5222: se rial console, Telnet consol e, SSH console, and HTTPS consol e.
AWK-5222 User’s Manual Softwa re Installation/Configuration 5-2 RS-232 Console Configuration (115200, None, 8, 1, VT100) The serial cons ole connection met hod, which require s using a short serial cable to connect the A WK-5222 to a PC’ s COM port, can b e used if you do not know the A WK-5222’ s IP address.
AWK-5222 User’s Manual Softwa re Installation/Configuration 5-3 2. Select Open under Port Manage r to open a new connection . 3. The Communication Param eter page of the Property window opens. Select the appropriate COM port f or Console C onnection, 1 15200 for Baud Rate, 8 for Data Bits, None for Parity , and 1 for Stop Bits.
AWK-5222 User’s Manual Softwa re Installation/Configuration 5-4 6. The A WK-5222’ s device information and Main Menu will be disp layed. Please follow the description on screen and select the ad m inistration option you wish to perform.
AWK-5222 User’s Manual Softwa re Installation/Configuration 5-5 Follow the steps below to access the console utility via T elnet or SSH client. 1. From W indows Deskt op, run St a r t > R u n , and then use T elnet to access the A WK-5222’ s IP address from the W indows Run window .
AWK-5222 User’s Manual Softwa re Installation/Configuration 5-6 2. W arning messages will pop out to warn users that the security certificate was issued by a company they have not chosen to trust. 3. Select Ye s to accept the ce rtificate issued by Moxa IW a nd then enter the A WK-5222’ s web browser interface secured via HTTPS/SSL.
6 6 Chapter 6 References This chapter provides more detailed info rmation about wireless-related technologies. The information in this ch apter can help you administer your A WK-5222s an d plan your industrial wireless network better .
AWK-5222 User’s Manual References 6-2 Beacon A beacon is a packet broadcast by the AP to k eep the network synchroni zed. A beacon includes the wireless LAN service area, the AP address, the Broadcast destination address, a time stamp, Delivery T raffic Indicator Maps (DTIM), a nd the T raffic Indicator Message (TIM).
AWK-5222 User’s Manual References 6-3 Differences between RSTP and STP RSTP is similar to STP, but includes additional inform ation in the BPDUs that allow each bridge to confirm that it has taken action to prevent loops from forming when it decides to enable a link to a neighboring bridge.
7 7 Chapter 7 Supporting Information This chapter presents add itional information ab out this manual and product. Y ou can also learn how to contact Moxa for techni cal support.
AWK-5222 User’s Manual Supporting Information 7-2 About This User’s Manual This manual is mainly designed for, but no limited to , the following hardware and firmware for the A WK-5222: y Hardware Rev: 1.0 y Firmware V er: 1.0 Y ou are strongl y recommended to vi sit Moxa’ s website ( http:// www .
AWK-5222 User’s Manual Supporting Information 7-3 DoC (Declaration of Conformity) Federal Communication Commissi on Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant t o Part 15 of the FC C Rules.
AWK-5222 User’s Manual Supporting Information 7-4 R&TTE Compliance Statement This equipment complies with all the requirements of DIRECTIVE 1999/5/CE OF THE EUROPEAN PARLIAM ENT AND THE COUNCIL OF 9 Ma rch 1999 on radio equipment and telecommunication terminal equipm ent and the mu tual rec ognition of thei r conformity (R&TTE).
AWK-5222 User’s Manual Supporting Information 7-5 Connect to the A WK-5222 ’ s RS-232 co nsole with 1 15200bps and N-8-1 . Y ou will see the following message shown on the terminal e mulator every one second. Press Ctrl - C and the following message will appear .
AWK-5222 User’s Manual Supporting Information 7-6 A WK-5222 restarts, and the “Pre ss Ctrl-C to enter Firmware Recovery Process…” message will reappear .
Een belangrijk punt na aankoop van elk apparaat Moxa AWK-5222 (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen Moxa AWK-5222 heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens Moxa AWK-5222 vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding Moxa AWK-5222 leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over Moxa AWK-5222 krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van Moxa AWK-5222 bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Moxa AWK-5222 kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Moxa AWK-5222 . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
