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42

Installation Guide: Z

OOM

A

IR 

AP11

1

 

From the 

Wireless Access Point Basic Settings

 page, click

on the 

Advanced

 button. See the following illustration.

2

 

Details for Filling In this Page

Beacon Period

 — This sets the time between beacon

transmissions of the ZoomAir access point. The range

is 20 to 32,767 Kusecs (one Kusec=1 millisecond, or
msec).

DTIM Period

 — This value indicates the number of beacon

periods between beacon transmissions that are

Delivery Time Indicator Messages (DTIMs). Make any

changes with care; this setting interacts with Beacon

Period. The default is 2; the range is 1 to 254.

Ethernet Conversion

 — This item sets the mode used for

conversion of Ethernet frames received from the

Distribution System, the “wired” part of the network.
The default is 

RFC1042

. Options are as follows:

•

 

Encapsulated

 — The entire Ethernet frame

(including the Ethernet MAC header, but not the

CRC) is encapsulated into the payload of the

802.11 frame.

•

 

RFC1042

 — The DIX Ethernet frames are

converted using the SNAP header based on

Содержание ZoomAir AP11

Страница 1: ...ZoomAir ZoomAir ZoomAir ZoomAir AP11 AP11 AP11 AP11 Installation Guide Reference Manual ...

Страница 2: ...ant that the hardware will work properly in all environments and applications and makes no warranty or representation either expressed or implied with respect to the quality performance merchantability or fitness for a particular purpose of the software or documentation The manufacturer reserves the right to make changes to the hardware software and documentation without obligation to notify any p...

Страница 3: ...ETWORK 15 SELECTING A LOCATION FOR THE ZOOMAIR AP11 15 Other Considerations 16 SETTING UP THE ZOOMAIR AP11 16 Options for Managing your AP11 16 General Strategy 17 Procedure 18 INSTALLING AND CONFIGURING ZOOMAIR PC CARDS ON CLIENT COMPUTERS 19 Installing the First ZoomAir Client 20 Configuring DHCP 22 Installing Subsequent ZoomAir Clients 23 SETTING UP THE ZOOMAIR AP11 ON AN EXISTING WIRELESS NETW...

Страница 4: ...NGS 37 WIRED EQUIVALENT PRIVACY 39 ADVANCED SETTINGS 41 4 IMPLEMENTING ADDITIONAL NETWORK CONTROLS 45 DYNAMIC HOST CONFIGURATION PROTOCOL DHCP 46 When To Implement DHCP 46 Disabling and Enabling DHCP 47 Dynamic Address Assignment Pools 48 Static Address Assignment 49 5 MONITORING THE ZOOMAIR AP11 51 QUICKVIEW MONITOR 51 IP ROUTES MONITOR 51 DHCP MONITOR 52 DIAGNOSTICS MONITOR 52 WIRELESS STATIONS ...

Страница 5: ...RKING BASICS 65 WHAT IS TCP IP 65 IP ADDRESSING 66 CLASSES OF IP ADDRESSES 67 IP SUBNETTING 68 Example Using Subnets on a Class C IP Internet 69 BROADCAST ADDRESSES 71 NETWORK TIME PROTOCOL 72 INTERNET SERVICE PROVIDERS 72 APPENDIX D IMPORTANT INSTRUCTIONS FOR CABLE AND DSL USERS 73 SETTING THE IP ADDRESS 73 SETTING WIRELESS BASIC 75 DISABLING DHCP 76 APPENDIX E REGULATORY INFORMATION 77 ...

Страница 6: ......

Страница 7: ... setup of the ZoomAir AP11 and its integration into your LAN Tip Be sure to read the road map It will greatly simplify your understanding of the ZoomAir AP11 installation process You can get up and running by mastering basic operations and tackle more complex concepts and operations as your future needs dictate Overview The ZoomAir AP11 is a hardware access point for linking IEEE 802 11b DSSS comp...

Страница 8: ...nging offices requires no rewiring and no changing of settings on the computer or central servers Difficult installations suddenly become easy Security The ZoomAir PC Card included with the ZoomAir AP11 is IEEE 802 11b compatible using Direct Sequence Spread Spectrum DSSS technology Spread spectrum signals are inherently difficult for unauthorized users to decode Also all wireless nodes on your ne...

Страница 9: ...ir network The on board configuration software i e WebManage can be run from nearly any computer using a Web compatible browser Netscape Navigator 4 0 or later or Internet Explorer IE 4 0 or later Administration of the LAN is simplified thanks to DHCP Dynamic Host Configuration Protocol DHCP dynamically assigns IP addresses to client computers ...

Страница 10: ...omputer Power adapter Paper wall mounting template and anchors Antenna Options and Installation Instructions Flyer ZoomAir Default Settings LAN Defaults IP Address 192 168 0 240 Mask 255 255 255 0 Broadcast 192 168 0 255 DHCP Disabled WAPBS SSID Zoom 802 11 LAN Channel 10 WAPSS WEP State Disabled PassPhrase User Determined WAPAS Beacon Period 100 DTIM 2 Ethernet Conversion RFC1042 Fragmentation Th...

Страница 11: ...k is between 2 and 20 For networks with more than 20 clients or for complicated installations involving multiple routers or sophisticated security considerations we expect that users will have an in house MIS staff or retain the services of a networking consultant Your reseller should be able to supply or recommend the consulting and installation assistance you ll need The following section is a p...

Страница 12: ...our Wireless Network In Chapter 2 you add wired Ethernet LAN clients to your all wireless network that you setup in Chapter 1 Your wireless and wired clients will be able to communicate with each other Once the ZoomAir AP11 is properly set up the wireless and wired LAN operate as one LAN without any distinction between the two Adding Your Wireless Network to an Established Wired Network In Chapter...

Страница 13: ...electronic key and locking out anyone who does not have the key Implementing Additional Network Controls In Chapter 4 you have the option of configuring additional network access control features through the use of Dynamic Host Configuration Protocol DHCP and the AP11 s WebManage utility This function allows you to add additional security to your LAN by letting one device the AP11 assign lease IP ...

Страница 14: ......

Страница 15: ...g and troubleshooting Selecting a Location for the ZoomAir AP11 As an access point for a wireless LAN the ZoomAir AP11 unit must be located so that it can pick up radio signals from the client computers equipped with wireless LAN devices The ZoomAir AP11 will work best as an access point if it is centrally located with respect to existing or potential wireless clients The range of a ZoomAir access...

Страница 16: ...ther Considerations Your plan for the permanent location of the ZoomAir AP11 should also include the following Power You ll need an electrical outlet for the power adapter Ethernet If you plan to connect to a wired LAN the ZoomAir AP11 unit must be located near an available Ethernet connection such as a port on a hub or an unused workstation connection Setting Up the ZoomAir AP11 Even if you ultim...

Страница 17: ... RS 232 cable supplied with the unit You may also need an adapter for attaching the console cable to your computer s serial port a DB 9 to DB 25 adapter for a PC or a DB 9 to 8 pin Mini DIN for a Macintosh See your computer s documentation for more details General Strategy Install the ZoomAir AP11 first and then install a ZoomAir PC Card on each computer that will be a wireless client If you use a...

Страница 18: ...nna orientation hold the antenna vertically and gently tighten its hexagonal collar until the antenna stays in place Do not attempt to turn the knurled brass collar on the card It is glued in place Note If you later want to reposition the antenna due to orientation changes you must first loosen the antenna s hexagonal nut reposition the antenna and then retighten the nut 3 Plug the power adapter i...

Страница 19: ... will be communicating with each other and be capable of sharing data files and printers using the ZoomAir AP11 as an access point In this section the first task is to install a ZoomAir PC Card on the first of your client computers The default installation automatically sets up this client to communicate with the ZoomAir AP11 using preprogrammed fixed IP addresses You can then use this communicati...

Страница 20: ...the computer select Start Settings Control Panel Double click the Network icon Scroll down to the TCP IP entry for the ZoomAir PC Card and highlight it Click on the Properties button In the next dialog box click on the IP Address tab Click on the radio button next to Specify an IP address Enter 192 168 0 1 for the IP address and 255 255 255 0 for the subnet mask Click OK to close the Network dialo...

Страница 21: ...pendix B page 59 The first time you access WebManage you will see the System Information page with places for you to enter your username password and other information After that when you access WebManage you will be prompted for your username and password Tip Write down your User Name and Password and keep them in a safe place You will need them any time you need to access WebManage What you are ...

Страница 22: ...ynamic Address Assignment Pool See page 48 2 In the main WebManage screen click on the Maintenance button at the top of the page Click on the Restart button on the left to restart the ZoomAir AP11 Exit the browser 3 Make sure you set up this first ZoomAir client to share printer s and file s If you don t know how consult the manual that came with the ZoomAir PC Cards The wireless client you have j...

Страница 23: ...eral possible scenarios using ZoomAir products An all wireless wireless network with standard versions of ZoomAir PC Cards A ZoomAir wireless network with a software access point ZoomAir is compatible with ZoomAir 2Mbps and 11Mbps clients In these cases uninstall the ZoomAir PC Card and reinstall with the latest drivers You can find the latest driver information at our Web site www zoom com If you...

Страница 24: ...40 assuming you are using the default address of the ZoomAir AP11 unit and press Enter If response times are displayed the unit is functioning if you get timeouts the unit is not connected or not turned on or the address is wrong If you encounter any difficulties make sure All ZoomAir PC Cards are firmly plugged in A slowly flashing green light on the ZoomAir AP11 indicates that the ZoomAir PC Car...

Страница 25: ...r the name of that computer The clients are not too far from the ZoomAir AP11 unit Although the range in a typical office is 300 feet about 90 meters and 1 000 feet about 300 meters in unobstructed line of sight any obstacles may diminish the range Thick metal objects may totally block the signal The ZoomAir AP11 unit is receiving power The correct printer driver is installed on the computers from...

Страница 26: ......

Страница 27: ...d Network Your Wireless Network to an Established Wired Network In the first section we assume that you are setting up a combination wired and wireless LAN for the first time In the second section we explain how to add the ZoomAir AP11 if you already have an existing wired network Adding New Wired Ethernet Clients to Your Wireless Network This section covers the following topics Installing the NIC...

Страница 28: ...ZoomAir AP11 unit you may need to change them Providing IP Addresses When you are configuring your new NIC cards the setup software or the documentation may ask you to decide whether to specify IP addresses static addresses or obtain an IP address automatically dynamic We recommend setting up each NIC card to obtain an IP address automatically through the ZoomAir AP11 s DHCP server As appropriate ...

Страница 29: ... or other device sometimes called a host connected to the network The IP address consists of four numbers separated by periods IP addresses function very much like telephone numbers With telephone numbers there is an area code that identifies a region and an exchange that identifies a town or neighborhood The final digits of the telephone number identify a unique account in a household or office M...

Страница 30: ...The clients on the wireless portion of your LAN already set up as DHCP clients will simply get their addresses from the DHCP server on your wired LAN If you have a wired LAN with all fixed addresses and no DHCP server of its own and you do not want the ZoomAir AP11 DHCP server to provide addresses you can use WebManage to disable DHCP and provide the ZoomAir AP11 with an address that is compatible...

Страница 31: ...tter to reverse the process First however you need to find out the network address of the wired portion of your LAN and use that information to provide a new address for the ZoomAir AP11 Continue with the following section Getting Your Wired Network Address There are a few possible sources of your wired network address your organization s network administrator or the person who installed your netw...

Страница 32: ...r for dial up access you will need to change it to LAN access Start your browser and in the location space type the IP address you assigned to the AP11 unit i e 192 168 0 240 and press Enter This is the default address of the ZoomAir AP11 unit We assume that you have already accessed WebManage as part of enabling DHCP in Chapter 1 If that is the case you will be asked for your password Type it in ...

Страница 33: ...on 4 When you have successfully saved the new information go on to the next section Do not exit your browser yet Note If you don t want to disable DHCP or if DHCP is not enabled make sure to restart the AP11 at this point to activate the new address Disabling DHCP To disable DHCP in the ZoomAir AP11 follow the instructions in Chapter 4 Disabling and Enabling DHCP page 47 Configuring Routes 1 Make ...

Страница 34: ...with the rest of your wired LAN and you have disabled its DHCP server If your wired LAN has a DHCP server you are ready to connect the ZoomAir AP11 to your wired LAN You can skip the next section and go directly to Making the Connections to a Hub on page 35 If your wired LAN uses fixed IP addresses you need to provide addresses for the wireless clients Continue below Providing IP Addresses for the...

Страница 35: ...ked to do so Repeat this process until all ZoomAir equipped computers have been reconfigured Making the Connections to a Hub With all your wireless and wired members of the LAN set up you can now connect the ZoomAir AP11 to a hub that is connected to your wired LAN This is typically done with the white 10BaseT cable provided with the unit Plug one end of the cable into the LAN jack on the ZoomAir ...

Страница 36: ...ave the same SSID and WEP key if it s used All cables are firmly plugged in Antennas are oriented correctly All client computers are turned on Each computer has file and printer sharing enabled as appropriate and there is at least one folder set up for sharing Each client has a unique IP address Network Neighborhood has been given enough time to recognize all the clients on the network this can ta...

Страница 37: ...chapter covers the following topics SSID and Channel settings WEP Advanced security settings SSID and Channel Settings The easiest way to increase the security of the wireless portion of your LAN is to give it a name other than the default The Service SSID acts like a password a casual snooper cannot link to your wireless LAN without knowing the SSID You probably won t need to change the channel s...

Страница 38: ...omAir Access Point with the AP11 hardware access point you will probably have to change some settings on the client machines Before you begin this phase record the following data about your current access point SSID __________________________________ Channel _______________________________ WEP Passphrase ________________________ SSID The name of the wireless portion of your LAN It is a unique stri...

Страница 39: ...ions you can choose any number If you are installing more than one ZoomAir AP11 access point you can have up to three adjacent channels if they are at least 5 channels apart e g 1 6 11 Your access point will signal the wireless client computers in its range and set their channels automatically 3 Review the page when you have entered all the information You can click on Cancel if you want to reset ...

Страница 40: ...e same way that outsiders are denied access to a locked building unless they have a key Users of your network must exchange information about their current key before their computers are given access to the network Eavesdropping Prevention The WEP program generates a pseudo random number for each packet of information it sends The packet contents cannot be decoded without knowledge of a shared sec...

Страница 41: ...use the same WEP key for all ZoomAir units in your wireless LAN that want to communicate with each other Be sure to record your Passphrase and any manual modifications to the key and keep it in a secure place In some older ZoomAir installations the Passphrase may be called a Key String 3 Review the page when you have entered all the information You can click on Cancel if you want to reset the form...

Страница 42: ... between beacon transmissions that are Delivery Time Indicator Messages DTIMs Make any changes with care this setting interacts with Beacon Period The default is 2 the range is 1 to 254 Ethernet Conversion This item sets the mode used for conversion of Ethernet frames received from the Distribution System the wired part of the network The default is RFC1042 Options are as follows Encapsulated The ...

Страница 43: ... bit or 128 bit only clients using the shared key algorithm are authenticated If WEP is disabled only clients using the Open System algorithm are authenticated Open System or Shared Key If WEP is enabled 64 bit or 128 bit then clients using either the Open System or the Shared Key algorithm will be authenticated If WEP is disabled only clients using the Open System algorithm will be authenticated ...

Страница 44: ...d Set the fragmentation threshold below the maximum only when you expect that the radio signal will sometimes be marginal 3 Review the page when you have entered all the information You can click on Cancel if you want to reset the form and start over When you are satisfied with the information on this page click on Save WebManage will send the information to the on board memory in ZoomAir AP11 and...

Страница 45: ...ertain circumstances however you may want to modify or enhance your setup using the built in WebManage utility Tip Some of the concepts and settings here can become quite complicated You may wish to rely on a consultant or networking technician for some of these options We encourage you to read through this chapter and determine your needs and capabilities All the features in this chapter are mana...

Страница 46: ... DHCP server built into one of the network devices For a network with 20 or fewer clients wired and wireless combined the DHCP server gives you the ability to add new wired and wireless clients without having to figure out new IP addresses for them The default installation of the ZoomAir AP11 on an all wireless network does not enable its DHCP server When To Implement DHCP When you first installed...

Страница 47: ...disabling DHCP click on the checkbox next to Enable DHCP Server to remove the check from the box Save and restart the AP11 For enabling DHCP click on the checkbox next to Enable DHCP Server to place a check in the box 2 If you want DHCP to work with all of its defaults you can click on the Save button to complete the operation Restart the AP11 If you need to modify the defaults or simply want to r...

Страница 48: ...hich is the address of the ZoomAir AP11 unit itself Also do not use 0 or 255 these are reserved Click on the Bootp checkbox if DHCP will be serving addresses to an older network that uses this protocol In most new networks you can leave this box unchecked You can enter new Lease Times but the defaults should work in almost any network 2 Now scroll down to reveal the rest of the screen and to view ...

Страница 49: ...lient that you want to assign a static address click on a number from the drop down list and then on the Edit Static Address Assignment button 2 Click on the Enable checkbox and then fill in the remaining information For the HW Address you will need to get the MAC Media Access Control address from the ZoomAir located on the underside of the card near the serial number or Ethernet card on each clie...

Страница 50: ...ccount with an ISP enter its DNS address here DNS 2 Address If your ISP has provided you with a second address enter it here DNS 3 Address If your ISP has provided you with a third address enter it here 3 Click on Save to send the changes to ZoomAir AP11 or click on Cancel if you would like to start over ...

Страница 51: ...press Enter Click on the Monitor button on the top of the page The buttons down the side of the page will change the following sections deal with each button in order QuickView Monitor When you click on the QuickView button you will see an image of the front panel of the ZoomAir AP11 unit including its LED display You will also see several entries depicting the amount of time the unit has been con...

Страница 52: ...he assignment is in process Bound when the MAC address has been bound to an IP address Expired when the lease time has run out Time The time stamp indicating when the lease began Expire hr The length of time the lease is valid HW Address The host s hardware address MAC address IP Address The IP address assigned to the host Diagnostics Monitor The Diagnostics page shows detailed information about t...

Страница 53: ...MAC Address MAC Address of the wireless clients State Active associated and authenticated Free free by the AP approximately sec Pending Active only authenticated before active Pending Removable about to be free active to free state Authenticated Yes No Associated Yes No WEP Yes No ...

Страница 54: ......

Страница 55: ... have assigned to it in Chapter 2 in the address box and press Enter Unless you have changed this address it is the default 192 168 0 240 Click on the Maintenance button on the top of the page The buttons down the side of the page will change the following sections deal with each button in order Backup System Code Click on the Backup System button to save the current software image This function a...

Страница 56: ...u ve selected the wrong filename or typed it incorrectly you will see the message System Upload FAIL Check that you re using the right filename and directory name and repeat the above procedure Once the upload is successful you ll see the following message Please restart ZoomAir AP11 Click on the Restart button Restarting the ZoomAir AP11 On the left side of the screen click on the Restart button ...

Страница 57: ...o the wireless portion of your network and are labeled ON LINK and DATA ON The unit is receiving power LINK The unit has located at least one wireless client DATA The unit is receiving and or transmitting data LAN LED Indicators The three LEDs relating to the ZOOMAIR AP11 s LAN settings are LINK ACT and COL LINK This green LED shows that the 10BaseT Ethernet port link is working correctly ACT Shor...

Страница 58: ......

Страница 59: ...T is a good example To illustrate click on Start Programs Accessories HyperTerminal The Connection Description box will pop up Type in the name of your new connection a name of your own choosing and double click on an icon to represent it Hit Enter 2 You will be asked how you want to connect Ignore the phone number entry Under Connect using select the same COM port as that used to connect the cons...

Страница 60: ...stem parameters lan TCP IP address information wireless details of your wireless configuration routes static routing parameters dhcp fixed and dynamic address assignment information ntp NTP parameters version the build version of the AP11 sysinfo detailed system parameters which will prove helpful if you need to call Tech Support mac the MAC Media Access Control address of the AP11 get system comm...

Страница 61: ...ype get wireless followed by the console will display basic the wireless configuration default parameters such as channel and SSID special identifier I D advanced additional wireless parameters such as fragmentation threshold and beacon period security security parameters such as WEP Wired Equivalency Protocol settings and the Passphrase status individual statistics for each portion of your wirele...

Страница 62: ... number ranges from 0 24 get routes commands If you type get routes followed by the console will display gateway default gateway address Set Commands Change the Configuration The following tables categorize the set commands and their functions If you type set followed by the console will display system system parameters lan TCP IP address information wireless details of your wireless configuration...

Страница 63: ...rent date time current time timezone time zone set lan commands If you type set lan followed by the console will display ipe0 the ZoomAir AP11 TCP IP address plus other pertinent information such as mask and filter profile set wireless commands If you type set wireless followed by the console will display basic default wireless parameters advanced more detailed wireless configuration parameters se...

Страница 64: ...ments out IP output filter webmanage WebManage address and mask filter information set ntp commands If you type set ntp followed by the console will display server IP address NTP server address interval NTP intervals For More Help For additional help and more command information type help at the sign ...

Страница 65: ...under the purview of TCP TCP breaks data into packets suitable for transmission across the Internet When the packets arrive at their destination TCP verifies that they are intact and reconstructs the data in the proper order TCP IP includes several other critical protocols such as File Transfer Protocol FTP and Simple Mail Transfer Protocol SMTP FTP uses TCP IP to let users to transfer files where...

Страница 66: ... directly to Node 1 2 If a network consists of only a few dozen computers they can send packets directly to each other using the IP address But when multiple networks are connected together such as Network 1 and Network 2 in the Figure above you need a router or a gateway to transfer packets between the networks If node 2 1 wants to send a packet to a network address it doesn t recognize such as n...

Страница 67: ...fice mail Classes of IP Addresses The Internet Network Information Center InterNIC hands out several different types of network address ranges to organizations depending on their size A Class A network address uses only the first byte to identify the network and the remaining three bytes to identify the node The first node of a Class A address falls in the range 0 127 Some numbers in this range ar...

Страница 68: ...000000 00 000000 Dotted Decimal 255 255 0 0 16 bit net mask C Binary 11111111 11111111 11111111 00 000000 Dotted Decimal 255 255 255 0 24 bit net mask IP Subnetting Dividing IP address space into classes enables the construction of an efficient hierarchy of Internet routers designed to direct packets to their destination organization Likewise IP subnetting allows network administrators to partitio...

Страница 69: ...IP addresses of the form 192 168 1 x where x represents the eight bits that can be used for subnet information and host numbers Step 1 is to decide how the final eight bits of the IP address should be divided between subnet information and host information The following table shows how many subnets and how many hosts can be configured on a Class C network depending on how many bits are allocated t...

Страница 70: ... is then 255 255 255 224 Step 3 is to calculate the legal subnet numbers for Acme s five networks All the subnets begin with 192 168 1 and the first three bits of the final byte have been dedicated to subnet information These three bits gives us eight possible numbers 000 001 010 011 100 101 110 and 111 Because 000 and 111 are reserved for broadcasting we have six usable subnets 001 010 011 100 10...

Страница 71: ...all hosts connected directly to that network While subnet and host addresses containing all zeros and all ones are both reserved for broadcasting in practice it is the address with all ones that is used for broadcasting In an unsubnetted network there is one broadcast address For example the broadcast address for the Class C network 207 67 12 0 would be 207 67 12 255 In a subnetted network there a...

Страница 72: ...search of the web will provide you with a current list of available NTP servers In most cases you should ask the manager of an NTP server before you use it Internet Service Providers There are several ways to get an Internet address or a range of Internet addresses The easiest fastest way is to contact an Internet Service Provider ISP These organizations ordinarily act as brokers an ISP may have a...

Страница 73: ...urchase and install software with NAT Network Address Translation enabled on your computer that will bridge two networks together In addition you ll need to have a second Network Interface Card NIC installed on your PC The AP11 must be connected to the second NIC Card on your PC Consult your software router provider if you need assistance Note The current setting is always displayed in parentheses...

Страница 74: ...e these parameters Netmask and Broadcast You can accept the defaults or change each one individually Netmask 0 255 0 255 0 255 0 255 255 255 255 0 Broadcast 0 255 0 255 0 255 0 255 192 192 192 255 When you re done you will be asked Do you want to save changes Once you have reviewed your changes and are satisfied hit Enter to save them Do you want to save changes y n y y Interface DIX EtherIP Up Ad...

Страница 75: ... Set Identifier Type in a unique SSID and hit Enter SSID Zoom 802 11 LAN MyLAN You will then see Channel Number 10 You can accept or change the default channel setting by hitting Enter Channel Number 10 10 When you reach the end you will be asked Do you want to save changes Hit Enter to save your changes The following will display on your screen SSID MyLAN Channel 10 Please wait Flashtask cache wr...

Страница 76: ...ess 0 255 0 255 0 255 0 255 192 168 0 210 Dynamic pool 1 Last Address 0 255 0 255 0 255 0 255 192 168 0 239 Continue hitting Enter until you are asked Do you want to save changes Hit Enter to save your changes and type reboot to activate all of your changes Note You are relying on your Cable or DSL modem or your PC to provide a firewall and security It s recommended that both the PC and the Cable ...

Страница 77: ...rcuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help FCC Part 68 Statement This equipment complies with Part 68 of the FCC rules The unit bears a label which contains the FCC registration number and Ringer Equivalence Number REN If requested this information must be provided to the telephone company This equipment uses the f...

Страница 78: ...date and time it is sent and an identification of the business other entity or individual sending the message and the telephone number of the sending machine or of such business other entity or individual The telephone number provided may not be a 900 number or any other number for which charges exceed local or long distance transmission charges Telephone facsimile machines manufactured on and aft...

Страница 79: ... authority or electrician as appropriate Notice The Ringer Equivalence Number REN assigned to each terminal device provides an indication of the maximum number of terminals allowed to be connected to a telephone interface The termination on an interface may consist of any combination of devices subject only to the requirement that the sum of the Ringer Equivalence Numbers of all the devices does n...

Страница 80: ...2140 B 27128 2000 ...

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