NETGEAR 202-11288-02 инструкция обслуживания

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73

Идти на страницу of

Хорошее руководство по эксплуатации

Законодательство обязывает продавца передать покупателю, вместе с товаром, руководство по эксплуатации NETGEAR 202-11288-02. Отсутствие инструкции либо неправильная информация, переданная потребителю, составляют основание для рекламации в связи с несоответствием устройства с договором. В законодательстве допускается предоставлении руководства в другой, чем бумажная форме, что, в последнее время, часто используется, предоставляя графическую или электронную форму инструкции NETGEAR 202-11288-02 или обучающее видео для пользователей. Условием остается четкая и понятная форма.

Что такое руководство?

Слово происходит от латинского "instructio", тоесть привести в порядок. Следовательно в инструкции NETGEAR 202-11288-02 можно найти описание этапов поведения. Цель инструкции заключается в облегчении запуска, использования оборудования либо выполнения определенной деятельности. Инструкция является набором информации о предмете/услуге, подсказкой.

К сожалению немного пользователей находит время для чтения инструкций NETGEAR 202-11288-02, и хорошая инструкция позволяет не только узнать ряд дополнительных функций приобретенного устройства, но и позволяет избежать возникновения большинства поломок.

Из чего должно состоять идеальное руководство по эксплуатации?

Прежде всего в инструкции NETGEAR 202-11288-02 должна находится:
- информация относительно технических данных устройства NETGEAR 202-11288-02
- название производителя и год производства оборудования NETGEAR 202-11288-02
- правила обслуживания, настройки и ухода за оборудованием NETGEAR 202-11288-02
- знаки безопасности и сертификаты, подтверждающие соответствие стандартам

Почему мы не читаем инструкций?

Как правило из-за нехватки времени и уверенности в отдельных функциональностях приобретенных устройств. К сожалению само подсоединение и запуск NETGEAR 202-11288-02 это слишком мало. Инструкция заключает ряд отдельных указаний, касающихся функциональности, принципов безопасности, способов ухода (даже то, какие средства стоит использовать), возможных поломок NETGEAR 202-11288-02 и способов решения проблем, возникающих во время использования. И наконец то, в инструкции можно найти адресные данные сайта NETGEAR, в случае отсутствия эффективности предлагаемых решений. Сейчас очень большой популярностью пользуются инструкции в форме интересных анимаций или видео материалов, которое лучше, чем брошюра воспринимаются пользователем. Такой вид инструкции позволяет пользователю просмотреть весь фильм, не пропуская спецификацию и сложные технические описания NETGEAR 202-11288-02, как это часто бывает в случае бумажной версии.

Почему стоит читать инструкции?

Прежде всего здесь мы найдем ответы касательно конструкции, возможностей устройства NETGEAR 202-11288-02, использования отдельных аксессуаров и ряд информации, позволяющей вполне использовать все функции и упрощения.

После удачной покупки оборудования/устройства стоит посвятить несколько минут для ознакомления с каждой частью инструкции NETGEAR 202-11288-02. Сейчас их старательно готовят или переводят, чтобы они были не только понятными для пользователя, но и чтобы выполняли свою основную информационно-поддерживающую функцию.

Содержание руководства

  • Страница 1

    350 East Plumeria Drive San Jose, CA 95134 USA October 2013 202-1 1288-02 NMS300 Network Management System Application Quick Start Guide[...]

  • Страница 2

    2 NMS300 Network Management System Application Support Thank you for purchasing this NETGEAR product. After installing your device, locate the serial number on the label of your product and use it to register your product at https://my .netgear .com . Y ou must register your product before you can use NETGEAR telephone support. NETGEAR recommends r[...]

  • Страница 3

    3 Contents Chapter 1 Install the NMS300 Application Computer Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Compatible Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 NETGEAR Managed Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Страница 4

    4 NMS300 Network Management System Application View the Default Network Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Manage the Configuration Monitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Manage Device Alarms and Alerts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 View and Manage C[...]

  • Страница 5

    5 1 1. Install the NMS300 Application Install the application and prepare your network The NETGEAR Network Management System 300 (NMS300) is a centralized and comprehensive management application that enables you to discover , monitor , configure, and report on enterprise-class networks with NETGEAR and third-party network devices. This Quick Start[...]

  • Страница 6

    Install the NMS300 Application 6 NMS300 Network Management System Application Computer Requirements For this release of the application, the computer that functions as the NMS300 server must meet the following requirements: • 2.8 GHz dual-core CPU • 4 G RAM (32-bit OS) or 8 G RAM (64-bit OS) • 20 G storage • Static IP address This release o[...]

  • Страница 7

    Install the NMS300 Application 7 NMS300 Network Management System Application • GSM7224P • GSM7228PS • GSM7248-200 • GSM7252PS • GSM7328FS • GSM7328S-200 • GSM7352S-200 • JGSM7224 • M4100-12G-POE+ • M4100-12GF • M4100-24G-POE+ • M4100-26-POE+ • M4100-26G • M4100-26G-POE • M4100-50-POE • M4100-50G • M4100-50G-POE+ ?[...]

  • Страница 8

    Install the NMS300 Application 8 NMS300 Network Management System Application • GS510TP • GS716T -200 • GS724T -300 • GS724TP • GS724TPS • GS724TS • GS728TP • GS728TPP • GS728TPS • GS728TS • GS728TXS • GS748T -400 • GS748TP • GS748TPS • GS748TS • GS752TP • GS752TPS • GS752TS • GS752TXS • XS712T NETGEAR Firewa[...]

  • Страница 9

    Install the NMS300 Application 9 NMS300 Network Management System Application NETGEAR Wireless Management Systems and Controllers This release supports the following NETGEAR wireless management systems and wireless controllers: • WMS5316 • WC7520 • WC9500 Download, Install, and Run the Application The application must reside on a server at a [...]

  • Страница 10

    Install the NMS300 Application 10 NMS300 Network Management System Application 8. For Windows 2008 and Windows 2003 operating systems, use either of the following methods to start the application manually . • Select NMS300 > Service > Start Server . • Navigate to the directory that you selected for the application installation and under t[...]

  • Страница 11

    11 2 2. Get Started Log in and perform basic configuration tasks After you have logged in to the application, you can change your password and account information and configure the email server . This chapter covers the following topics: • Log In to the Application • Change Y our Password and Account Information • Add a User Profile to the Us[...]

  • Страница 12

    Get Started 12 NMS300 Network Management System Application Log In to the Application The application uses a browser server architecture. Administrators and other types of users can access the application from any supported browser . Before you log in to the application, check the following items: • Make sure that the application i s installed on[...]

  • Страница 13

    Get Started 13 NMS300 Network Management System Application When the application is initially installed, the default administrator user name is admin and the default administrator password is admin. Y ou must be an administrator (admin user , that is, a user with a security profile that is set to Admin) to be able to create user names and passwords[...]

  • Страница 14

    Get Started 14 NMS300 Network Management System Application Change Y our Password and Account Information NETGEAR recommends that you change your password to a more secure password. This recommendation applies to admin users only because nonadministrative users such as users with a security profile set to Operator or Observer cannot change their pa[...]

  • Страница 15

    Get Started 15 NMS300 Network Management System Application 3. Under Account Information, click the Change Password link. 4. Enter your old and new passwords 5. Click the Submit button. Y our password is updated. Change Y our Account Information Y ou can change your general account settings such as your email address and telephone number .  T o [...]

  • Страница 16

    Get Started 16 NMS300 Network Management System Application 3. Under Account Information, click the Edit Account link. 4. Modify the information as needed. 5. Click the Submit button. Y our account information is updated. Add a User Profile to the User Base The application provides the following default user security profiles: • Admin . A user wh[...]

  • Страница 17

    Get Started 17 NMS300 Network Management System Application 2. Select USERS > USER MANAGEMENT . The Status column displays whether the user is active and the user can log in. 3. Click the Add button. The Add User screen displays. 4. Specify the following information: • In the User Basic Information section, enter the user name, password, and e[...]

  • Страница 18

    Get Started 18 NMS300 Network Management System Application Configure the General Email Server Settings The following procedure describes how to configure the general email server Settings.  T o configure the email server: 1. Log in to the application. For more information, see Log In to the Application on page 12. 2. Select ADMIN > SETTINGS [...]

  • Страница 19

    Get Started 19 NMS300 Network Management System Application 6. Configure the user name and password. 7. Click the T est button. Y our SMTP configuration settings are verified. 8. Click the Submit button. Y our changes are saved. Configure Email Server Settings for a Gmail Account The following procedure describes how to configure the email server f[...]

  • Страница 20

    Get Started 20 NMS300 Network Management System Application 3. Under Getting Started with NMS, click the Email Server Settings link. 4. Enter the following settings and select the following check boxes: • In the SMTP Server Host field, enter smtp.gmail.com . • In the SMPT Server Port field, enter 25 . • Select the Authentication Enabled check[...]

  • Страница 21

    21 3 3. Discover Resources Discover your devices and add device groups Before you can manage your network, you must let the application find the devices that are on your network and perform other setup tasks that could simplify the management of your network. This chapter covers the following topics: • Discovery Concepts • Use Quick Discovery t[...]

  • Страница 22

    Discover Resources 22 NMS300 Network Management System Application Discovery Concepts Y ou can discover devices on your network by using the following methods: • Quick discovery . Discovers devices without using a discovery profile. This method is a quick and easy discovery method but gives you limited control over the discovery process. • Regu[...]

  • Страница 23

    Discover Resources 23 NMS300 Network Management System Application  T o discover the devices on your network: 1. Log in to the application. For more information, see Log In to the Application on page 12. 2. Select RESOURCES > DISCOVERY . 3. Click the Quick Discovery button. 4. From the menu on the upper left of the screen, select one of the f[...]

  • Страница 24

    Discover Resources 24 NMS300 Network Management System Application 5. Specify the credentials that pertain to the devices on your network by select one of the following types of credentials: • Default SNMP • Default HTTP • Default T elnet • Default HTTPS • Default FVS HTTPS 6. If the credential that you need is not listed in the table, do[...]

  • Страница 25

    Discover Resources 25 NMS300 Network Management System Application Note: If a credential failure occurs, a common reason is that the device login information changed from its default. When a credential failure occurs, add or modify the credential and run the discovery job again. For more information, see Add a Device Credential on page 25. 8. Click[...]

  • Страница 26

    Discover Resources 26 NMS300 Network Management System Application 2. Select RESOURCES > DEVICE CREDENTIALS . 3. Click the Add button. 4. In the Credential General Info section, enter the name for the credential. 5. From the Protocol menu, select one of the following protocols: • SNMP V1 • SNMP V2C • SNMP V3 • T elnet • SSH • HTTP ?[...]

  • Страница 27

    Discover Resources 27 NMS300 Network Management System Application 7. Click the Management Interface tab. 8. Enter the port number , time-out period in seconds, and the number of retries. 9. Click the Associated Devices tab.[...]

  • Страница 28

    Discover Resources 28 NMS300 Network Management System Application 10. Click the Add button. 11. Select one or more devices and click the Add Selection button. T o add all devices to the device credential, click the Add All button. The Select Devices screen closes and the selected devices are added to the Associated Devices table. 12. Click the Sav[...]

  • Страница 29

    Discover Resources 29 NMS300 Network Management System Application The screen displays the existing discovery profiles. 3. Click the Add Profile button. 4. Enter the information in the following sections: • General Info . Enter the name and description of the profile. • Discovery Options : - Resolve Host Names . T o attempt to resolve a host na[...]

  • Страница 30

    Discover Resources 30 NMS300 Network Management System Application 5. Click the Network tab. 6. From the menu on the upper left of the screen, select one of the following network types and enter the applicable address information in the fields to the right of the menu: • IP Range • Subnet • Single IP • IP Address(es) • Hostname 7. Specify[...]

  • Страница 31

    Discover Resources 31 NMS300 Network Management System Application 8. If the credential that you need is not listed in the table, do the following: a. Click the Add button. In addition to the default credentials, the screen displays the device credentials that you have added. For more information, see Add a Device Credential on page 25. b. Select o[...]

  • Страница 32

    Discover Resources 32 NMS300 Network Management System Application 2. Select RESOURCES > DISCOVER Y . 3. Select the discovery profile. 4. From the More menu, select Execute . When discovery completes, the Execution Results screen displays the discovered devices that the application adds to its inventory database. 5. Click the Close button. The s[...]

  • Страница 33

    Discover Resources 33 NMS300 Network Management System Application Add Device Groups T o simplify the management of networks with many devices, you can create device groups. Once they are discovered, you can group the devices on your network by location, device type, and other criteria. Y ou can create static and dynamic device groups: • Static d[...]

  • Страница 34

    Discover Resources 34 NMS300 Network Management System Application 4. Enter a group name. 5. Enter a description. 6. Click the Add button. 7. T o filter the devices that display on the screen, click the Show Filter button. Y ou can filter the devices by criteria such as device type, device name and IP address, location, device model, and status. T [...]

  • Страница 35

    Discover Resources 35 NMS300 Network Management System Application The screen closes. The devices are added to the static device group, and the group is displayed in the Device Groups table. Add a Dynamic Device Group A dynamic group is a dynamic list of devices that are selected automatically based on your filter selection criteria. The list chang[...]

  • Страница 36

    Discover Resources 36 NMS300 Network Management System Application Y ou can filter by device vendor , device location, device type, device model, and device contact. Y ou can select more than one filter . T o filter by device type, make a selection from the Device T ype menu. 7. T o view the devices in the group before you save the group, select th[...]

  • Страница 37

    37 4 4. Monitor Y our Network Monitor devices and alarms Y ou can view summary and detailed information about the network, devices, and interfaces, including real-time and historical information and performance statistics. Y ou can also enable and disable the configuration monitors and manage alarms. This chapter covers the following topics: • Mo[...]

  • Страница 38

    Monitor Y our Network 38 NMS300 Network Management System Application Monitor Device and Network Information The network monitor lets you view device and interface information, network summary information, performance statistics, real-time information, and historical information. The application provides the following types of views: • Inventory [...]

  • Страница 39

    Monitor Y our Network 39 NMS300 Network Management System Application 2. Select RESOURCES > INVENTOR Y . 3. T o add columns to or remove them from the Inventory table, right-click the table heading anywhere, and specify the columns by selecting the corresponding check boxes. Y ou can choose from the following columns: Status, Device Name, IP Add[...]

  • Страница 40

    Monitor Y our Network 40 NMS300 Network Management System Application V iew Device Information and Device Details Y ou can see a table of devices that the application discovered in your network.  T o view the Devices table: 1. Log in to the application. For more information, see Log In to the Application on page 12. 2. Select RESOURCES > DEVI[...]

  • Страница 41

    Monitor Y our Network 41 NMS300 Network Management System Application[...]

  • Страница 42

    Monitor Y our Network 42 NMS300 Network Management System Application The following figure shows the Dashboard menu for a switch. 6. From the Dashboard menu, select a menu option. The screen adjusts to display information that corresponds to your menu option. For switches, wireless controllers, wireless management systems, and routers, you can disp[...]

  • Страница 43

    Monitor Y our Network 43 NMS300 Network Management System Application V iew Wireless Device Information Only Y ou can easily monitor your wireless network by displaying wireless controllers, wireless access point (APs), wireless management systems, and active wireless clients. Because of the nature of controller-managed APs, the application can pro[...]

  • Страница 44

    Monitor Y our Network 44 NMS300 Network Management System Application 5. T o view details about a device, click the device name (or IP address) for the device. For more information, see View Device Information and Device Details on page 40. V iew Wireless Access Point Information Only Y ou can display only the standalone APs and controller-managed [...]

  • Страница 45

    Monitor Y our Network 45 NMS300 Network Management System Application V iew Wireless Management System Information Only Y ou can display only the wireless management systems that the application manages.  T o view wireless management system information: 1. Log in to the application. For more information, see Log In to the Application on page 12.[...]

  • Страница 46

    Monitor Y our Network 46 NMS300 Network Management System Application 2. Select WIRELESS > ACTIVE CLIENTS . By default, the filter is active because the Active Client List table can display many wireless clients. 3. T o hide the filter for active clients, click the Hide Filter button and go to Step 10 . 4. From the Device T ype / SSID menu, sele[...]

  • Страница 47

    Monitor Y our Network 47 NMS300 Network Management System Application The following figure shows a sample of a screen that displays when you filter by device IP address: 7. Select the device or SSID. 8. Click the Select button. The screen closes and the empty Active Client List table displays. 9. Click the Apply button. The application populates th[...]

  • Страница 48

    Monitor Y our Network 48 NMS300 Network Management System Application 11. T o view details for an individual wireless client, in the Client MAC Address column, click a MAC address. A screen similar to the following displays. 12. From the Dashboard menu, select a menu option. By default, the screen displays the Signal Monitor menu option. If you sel[...]

  • Страница 49

    Monitor Y our Network 49 NMS300 Network Management System Application 2. Select HOME > NETWORK SUMMAR Y . By default, the following widgets display onscreen. Widget Description Information Device T ree View A tree of all discovered and managed devices in the network. Y ou can expand the tree. Group devices by: • Location (the default setting) [...]

  • Страница 50

    Monitor Y our Network 50 NMS300 Network Management System Application 3. T o view details about a device, click the device name. For more information, see View Device Information and Device Details on page 40. Manage the Configuration Monitors The application provides monitors for the following device metrics: • Status • ICMP ping • CPU • M[...]

  • Страница 51

    Monitor Y our Network 51 NMS300 Network Management System Application • SNMP traffic • Interface traffic In addition, the application provides monitors for the following server and wireless metrics: • NMS300 server • Radio statistics • WLAN utilization • V AP statistics (wireless performance statistics of the WLAN network based on SSID)[...]

  • Страница 52

    Monitor Y our Network 52 NMS300 Network Management System Application 4. Click the Edit button. 5. (Optional) In the General Information screen, modify the following settings: • From the Polling Interval menu, select a polling interval. • Enter a description. 6. Click the Monitor Devices tab. 7. (Optional) In the Monitor Devices screen, select [...]

  • Страница 53

    Monitor Y our Network 53 NMS300 Network Management System Application d. Either select individual devices and click the click Add Selection button, or click the Add All button. The device groups or groups are added to the table on the Monitor Devices screen. 8. Click the Monitor Parameters tab. 9. (Optional) In the Monitor Devices screen, move para[...]

  • Страница 54

    Monitor Y our Network 54 NMS300 Network Management System Application For more about how to view and manage the alarm history and how to add custom alarm configurations that are based on existing configuration monitors, see the NMS300 Network Management System Application User Manual . V iew and Manage Current Alarms The Current Alarms table shows [...]

  • Страница 55

    Monitor Y our Network 55 NMS300 Network Management System Application c. T o close the Alarm Detail screen, click the Close button. • Acknowledge an alarm: a. Select the alarm. b. Click the Acknowledge button. Acknowledging an alarm means that you take ownership of the issue. • Clear an alarm: a. Select the alarm. b. Click the Clear button. Cle[...]

  • Страница 56

    Monitor Y our Network 56 NMS300 Network Management System Application  T o add an alarm notification profile: 1. Log in to the application. For more information, see Log In to the Application on page 12. 2. Select ALARMS > NOTIFICA TION PROFILES . 3. Click the Add button. 4. In the Basic Information section, specify the following information:[...]

  • Страница 57

    Monitor Y our Network 57 NMS300 Network Management System Application 5. In the Select Alarm section, select one of the following radio buttons: • Select Alarms by Severity . Select the alarms by severity by selecting a severity level from the menu. • Select one or more Alarms . The appearance of the screen changes, enabling you to add alarms: [...]

  • Страница 58

    Monitor Y our Network 58 NMS300 Network Management System Application 7. Specify the following information: • Alarm Generation Time . Select one of the following radio buttons: - All Day . The alarm notification applies to alarms that occur in any time of the day . - Time Frame . From the menus, select a time frame. The alarm notification applies[...]

  • Страница 59

    59 5 5. Manage Configurations and Firmware Keep your device firmware current Y ou can back up and restore device configurations. Y ou can also upgrade device firmware. This chapter covers the following topics: • Add a Backup Profile and Execute a Backup Job • Restore the Configuration of a Single Device • Upgrade Firmware for One or More Devi[...]

  • Страница 60

    Manage Configurations and Firmware 60 NMS300 Network Management System Application Add a Backup Profile and Execute a Backup Job A backup profile defines the devices that are included in a backup job, and as an option, the schedule with which the backup job occurs. For information about scheduling a backup job, see the NMS300 Network Management Sys[...]

  • Страница 61

    Manage Configurations and Firmware 61 NMS300 Network Management System Application 4. Click the Add Profile button. 5. Enter the following information: • General Info . Enter a name and description for the new profile. • Backup File Setting . Enter a file name and version for the backup file. 6. Click the Select Devices tab.[...]

  • Страница 62

    Manage Configurations and Firmware 62 NMS300 Network Management System Application 7. Add devices, device groups, or both: a. Click the Add Device button. b. Select devices to add and click the Add Selection button. T o add all the devices in the table, click the Add All button. c. Click the Add Group button. d. Select device groups to add and clic[...]

  • Страница 63

    Manage Configurations and Firmware 63 NMS300 Network Management System Application A screen similar to the following displays. The Status field displays the progress of the backup job. After the job completes successfully , the Status field displays Succeeded . 10. Click the Close button. The screen closes. Restore the Configuration of a Single Dev[...]

  • Страница 64

    Manage Configurations and Firmware 64 NMS300 Network Management System Application CAUTION: When you restore the configuration of a device, you must provide the correct configuration file. Make sure that you select both the correct device type and correct device model for the configuration file that you upload to the application. If you provide the[...]

  • Страница 65

    Manage Configurations and Firmware 65 NMS300 Network Management System Application 6. Click the Restore Configuration button. 7. Click the Add Device button. 8. Select the device. 9. Click the Add Selection button.[...]

  • Страница 66

    Manage Configurations and Firmware 66 NMS300 Network Management System Application The screen closes and the selected device is listed on the Restore Configuration screen. CAUTION: Make sure that you select the correct device. Selecting the wrong device for the selected configuration file can damage the device. 10. Specify whether to restore the co[...]

  • Страница 67

    Manage Configurations and Firmware 67 NMS300 Network Management System Application • Schedule . Lets you set up a schedule to restore the configuration file later . A screen similar to the following displays. a. Specify the time that you want the procedure to start. b. Click the Submit button. The restore procedure is executed once at the specifi[...]

  • Страница 68

    Manage Configurations and Firmware 68 NMS300 Network Management System Application Import a Firmware File After you download device firmware (an image) from the NETGEAR website at support.netgear .com to your computer , you can load the firmware file onto the NMS300 server . If you want to use an MD5 file for error checking during the import proces[...]

  • Страница 69

    Manage Configurations and Firmware 69 NMS300 Network Management System Application T o select the MD5 file from your computer , follow the directions of your browser . • File Name . Enter the name of the firmware file. • V endor . Select the vendor of the device. • Device T ype . Select the device type. • Device Model . Select the device mo[...]

  • Страница 70

    Manage Configurations and Firmware 70 NMS300 Network Management System Application T o hide the filter , click the Hide Filter button. 5. Select the firmware file. 6. Click the Upgrade Firmware button. 7. Select the target network devices or groups: CAUTION: Make sure that you select the correct devices or device groups. Selecting the wrong devices[...]

  • Страница 71

    Manage Configurations and Firmware 71 NMS300 Network Management System Application The screen closes and the selected device or devices are listed on the Upgrade Firmware screen. • T o specify device groups: a. Click the Add Group button. b. Select groups and click the Add Selection button. T o add all groups, click the Add All button.[...]

  • Страница 72

    Manage Configurations and Firmware 72 NMS300 Network Management System Application The screen closes and the selected group or groups are listed on the Upgrade Firmware screen. 8. Specify whether to execute the firmware upgrade immediately or later by clicking one of the following buttons: • Execute . Upgrades the firmware immediately . When the [...]

  • Страница 73

    Manage Configurations and Firmware 73 NMS300 Network Management System Application • Schedule . Lets you set up a schedule to upgrade the firmware later . A screen similar to the following displays. a. Specify the time that you want the upgrade to occur . b. Click the Submit button. The upgrade procedure is executed once at the specified time.[...]