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background image

Chapter 2: Overview

7

Illustrations

contained

in

this

document

are

for

representation

only.

Important

Information

z

The

cable

service

to

your

home

supports

DOCSIS

compliant

two

‐

way

modem

access.

z

Your

internet

account

has

been

set

up.

z

A

cable

outlet

near

your

PC

and

it

is

ready

for

cable

modem

service.

Note:

It

is

important

to

supply

power

to

the

modem

at

all

times.

Keeping

your

modem

plugged

in

will

keep

it

connected

to

the

Internet.

This

means

that

it

will

always

be

ready

when

you

are.

Your

cable

company

should

always

be

consulted

before

installing

a

new

cable

outlet.

Do

not

attempt

any

rewiring

without

contacting

your

cable

company

first.

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9
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Содержание TCG220

Страница 1: ...TCG220 USER MANUAL ...

Страница 2: ...ter and Telephone 9 Activating the EMTA 10 Accessing the Internet 11 Status Web Page Group 12 Connection 12 Software 13 Security 14 Diagnostics 15 Provisioning Mode 16 Basic Web Page Group 17 Setup 17 DHCP 18 DDNS 19 Backup 20 Advance Web Page Group 21 Option 21 IP Filtering 23 MAC Filtering 24 Port Filtering 25 Forwarding 26 Port Triggers 27 DMZ Host 28 RIP Routing Information Protocol Setup 29 F...

Страница 3: ...nly Media 46 MTA Web Page Group 47 Status 47 Event Log 47 Logout Web Page Group 48 Chapter 4 Additional Information 49 General Troubleshooting 49 Service Information 51 Glossary 52 CAUTION for UL Check caution label on gift box 54 Federal Communication Commission Interference Statement 55 ...

Страница 4: ...100m z 2 ports RJ 11 Foreign Exchange Station FXS port for IP telephony Support a maximum line length between themselves and an end receiver handset etc of up to 500 feet z Support simultaneous voice and data communications z Echo Cancellation z Voice Active Detection VAD z DTMF detection and generation z Comfort Noise Generation CNG z Support V 90 fax and modem services z 56 bits DES and 128 bits...

Страница 5: ... or higher Sound Card Required for audio on CD ROM N A Video VGA or better SVGA preferred VGA or better SVGA built in preferred CD ROM Drive Required Required Ethernet 10BaseT or 100BaseT 10BaseT or 100BaseT An Ethernet card and driver MUST be installed in your computer properly A standard Ethernet cable is also required for connecting the Ethernet card to the EMTA Software TCP IP network protocol...

Страница 6: ...s of Data transmission by the cable modem to the Network Upstream Traffic Online Displays the status of your cable connection The light is off when no cable connection is detected and fully lit when the modem has established a connection with the network and data can be transferred Ethernet Indicates the state of Ethernet ports WIFI Indicates the traffic on the wireless network Phone1 Indicates th...

Страница 7: ...o ranging completed ON ON ON FLASH X X X X X X X X During DHCP configuration file download registration and Baseline Privacy initialization ON ON ON ON X X X X X X X X Operational NACO ON ON FLASH FLASH OFF X X X X X X X X Operational NACO OFF MTA initialization ON ON ON ON X X X X X FLASH OFF X MTA DHCP ON ON ON ON X X X X X OFF FLASH X MTA SNMP TFTP ON ON ON ON X X X X X FLASH FLASH X RSIP for N...

Страница 8: ...anel The following illustration shows the rear panel of the EMTA Slot Description CABLE F Connector RESET Reset Reboot this Cable modem ETHERNET 1 2 3 4 Ethernet 10 100 1000 BaseT RJ 45 connector TEL 1 2 Telephony RJ 11 connector 12VDC 12V DC IN Power connector DC Power switch Power ON OFF switch ...

Страница 9: ...le function This button can be used to Securely and Simply Get WiFi Client Connected WPS button can be used to paring WiFi client which also supports WPS function A long press press more than 2 seconds on the WPS button will enable TCG220 scan for any available WPS device Note You must ensure that the WiFi client device supports WPS function in order to use this WPS function on TCG220 WiFi On Off ...

Страница 10: ...been set up z A cable outlet near your PC and it is ready for cable modem service Note It is important to supply power to the modem at all times Keeping your modem plugged in will keep it connected to the Internet This means that it will always be ready when you are Your cable company should always be consulted before installing a new cable outlet Do not attempt any rewiring without contacting you...

Страница 11: ...your personal computer and install the necessary software Attaching the Cable TV Wire to EMTA You may find the Cable TV wire one of the following ways z Connected directly to a TV a Cable TV converter box or VCR The line will be connected to the jack with which should be labeled either IN CABLE IN CATV CATV IN etc z Connected to a wall mounted cable outlet Connect one end of the coaxial cable to t...

Страница 12: ...t the plug from the AC power supply into the POWER AC ADAPTER jack on the EMTA and plug the power supply into an AC outlet in the wall z Connect one end of the Ethernet cable to the Ethernet port on the back of your computer and the other end to the ETHERNET port on the EMTA Fig 1 How to Setup Your Device Note Use only the power supply that accompanied this unit Using other adapters may damage the...

Страница 13: ...m Note All indicators flash once prior to the initialization sequence If all of the lights are flashing sequentially it means the EMTA is automatically updating its system software Please wait for the lights to stop flashing You cannot use your modem during this time Do not remove the power supply or reset the EMTA during this process To make sure that you can access the Internet successfully plea...

Страница 14: ...configured 2 Start your web browser and type the CM IP address on the URL field After connecting to the URL you can see the login page Please enter the username password and then press Login button The default username is admin and password is password Fig 2 Login Page Note If forget your username and password you may Press Reset button on the rear panel more than 6seconds to restore the username ...

Страница 15: ...ge Group on orts curren nline inform nician if you onnecti document are t connectio mation and u re having ions an e for represen on status co so on The i problems Fig 3 nd setu ntation only ntaining sta information Connection up artup proce n can be use Status edures dow eful to your wnstream an r cable com nd upstream pany s m ...

Страница 16: ... this page shows how long your gateway has operated since last time being powered up and some key information the Cable Modem received during the initialization process with your cable company If Network Access shows Allowed then your cable company has configured your gateway to have Internet connectivity If not you may not have Internet access and should contact your cable company to resolve this...

Страница 17: ...rd is the default one a warning message is displayed on the top banner of each Web configuration page We want to encourage you to change the password in order to enforce the security of your modem The password can be a maximum of 8 characters and is case sensitive In addition this page can be used to restore the gateway to its original factory settings Use this with caution as all the settings you...

Страница 18: ...e the ping Test enter the information needed and press Start Test the Result will be displayed in the lower part of the window Press Abort Test to stop and Clear Results to clear the result contents Note Firewalls may cause pings to fail but still provide you TCP IP access to selected devices behind them Keep this in mind when ping a device that may be behind a firewall Ping is most useful to veri...

Страница 19: ...are for representation only Provisioning Mode This page allows set the eRouter IP provisioning mode Default Provisioning mode is RG You can also configure this as Bridge mode Configure TCG220 to Bridge mode will lost most of the Router function Fig 7 Provisioning mode settings ...

Страница 20: ...f the basic features of the broadband gateway related to your ISP s connection LAN Configure the LAN IP Address for TCG220 Interface Prefix IPv6 related information WAN TCG220 WAN interface information Do NOT change the configuration setting which may cause severe performance impact or Client PC may not be able to get internet connected Fig 8 Basic Setup Settings ...

Страница 21: ...P address with an expiration time that can be configured DHCP Server Select Yes or No to enable or disable a simple DHCP server for LAN Number of CPEs Configure the how many client device can be connected to the Gateway Lease Time Configure the IP address lease time with Lease time for DHCP server Default value is 3600 seconds DHCP Clients Displays the PC clients connected and the related DHCP lea...

Страница 22: ... the basic setting Choose Disabled to close the basic setting z Username The username that you registered with your DDNS provider z Password The password that you registered with your DDNS provider z Host Name The domain name or host name that is registered with your DDNS provider z Status It shows the DDNS service status whether it is enabled or disabled Click Apply to save the changes Fig 10 DDN...

Страница 23: ...his document are for representation only Backup This page allows you to save your current settings locally on your PC or restore settings previously saved Customer may backup their settings on TCG220 And restore the configuration if necessary Fig 11 Backup Settings ...

Страница 24: ...g prevents bled your g onnecti document are up ration of ad others on t gateway wil ions an e for represen dvanced fea Fig 12 he WAN sid l not respon nd setu ntation only atures of the Options Confi de from bei nd to pings up e broadban iguration ng able to p it receives nd gateway ping your ga effectively ateway Wit hiding yo th WAN our gateway y ...

Страница 25: ...of broadcast streaming and content on the Internet UPnP Universal Plug and Play UPnP helps devices such as Internet appliances and computers access the network and connect to other devices as needed UPnP devices can automatically discover the services from other registered UPnP devices on the network NAT ALG enable NAT ALG application layer gateways allows customized NAT traversal filters to be pl...

Страница 26: ... only IP Filtering This page enables you to enter the IP address ranges of PCs on your LAN that you don t want to have outbound access to the WAN These PCs can still communicate with each other on your LAN but packets they send to WAN addresses are blocked by the gateway Fig 13 IP Filtering Settings ...

Страница 27: ... in this document are for representation only MAC Filtering This page allows configuration of MAC address filters in order to block internet traffic to specific network devices on the LAN This feature only applies to IPv4 traffic Fig 14 MAC Filtering Settings ...

Страница 28: ... PCs to send packets to Any packets your LAN PCs send to these destination ports will be blocked For example you could block access to worldwide web browsing http port 80 but still allow email service SMTP port 25 and POP 3 port 110 To enable port filtering set Start Port and End Port for each range and click Apply To block only one port set both Start and End ports with the same value Fig 15 Port...

Страница 29: ...originate an IP connection with a PC on the WAN it will ignore attempts of the WAN PC to originate a connection onto your PC This protects you from malicious attacks from outsiders However sometimes you may wish for anyone outside to be able to originate a connection to a particular PC on your LAN if the destination port application matches one you specify Fig 16 Forwarding Settings ...

Страница 30: ...r gateway be able to originate connections during the game with your game playing PC on the LAN side You could use the Advanced Forwarding web page to construct a forwarding rule during the game and then remove it afterwards to restore full protection to your LAN PC to facilitate this Port triggering is an elegant mechanism that does this work for you each time you play the game Fig 17 Port Trigge...

Страница 31: ... your LAN that should be left accessible to all PCs from the WAN side for all ports e g if you put an HTTP server on this machine anyone will be able to access that HTTP server by using your gateway IP address as the destination A setting of 0 indicates NO DMZ PC Host is another Internet term for a PC connected to the Internet Fig 18 DMZ Host Setup ...

Страница 32: ...to be used in small business situations where more than one LAN local area network is installed The RIP protocol provides the gateway a means to advertise available IP routes to these LANs to your cable operator so packets can be routed properly in this situation Your cable operator will advise you during installation if any setting changes are required here Fig 19 RIP Setup ...

Страница 33: ...ument are for representation only Firewall Web Page Group Basic This page allows configuration of Firewall features It is highly recommended that the Firewall is left enabled at all times for protection against Denial of Service attacks Fig 20 Firewall Basic configuration ...

Страница 34: ...ring of outbound connections restricting or granting access to specific MAC Addresses Filters with no MAC Address entered will apply to ALL MAC Addresses The URL field is intended to be used to block or allow access to specific sites cnn com google com etc Filters with no ports entered will apply to ALL ports Fig 21 Filtering configuration ...

Страница 35: ...ateway your outgoing i e SMTP email server s name so it can direct the email to it Enable Email Alerts has the gateway forward email notices when Firewall protection events occur Click E mail Log to immediately send the email log Click Clear Log to clear the table of entries for a fresh start The log of these events is also visible on the screen For each blocking event type that has taken place si...

Страница 36: ...ly Remote Log The Remote Log page allows you to specify the IP address where a SysLog server is located on the LAN Side and select different types of firewall events that may occur Then each time such an event occurs notification is automatically sent to this log server Fig 23 Remote Log Configuration ...

Страница 37: ...ch the settings you make on your wireless equipped PC on the LAN side Fig 24 Radio configuration Wireless Interface Choose the wireless interface on the EMTA Wireless Enable or disable the wireless function Country Display the country code you currently use Output Power Choose output power of the device 802 11 Band Choose 2 4 GHz for 802 11 b g n 5 GHz for 802 11a 802 11 N Support Required Enable ...

Страница 38: ... 11h for choose OBSS Overlap Basic Service Set Coexistence Overlapping Basic service set coexistence enable or disable this function STBC Tx Space time block coding is a technique used in wireless communications to transmit multiple copies of a data stream across a number of antennas and to exploit the various received versions of the data to improve the reliability of data transfer Default was Au...

Страница 39: ... this document are for representation only Primary Network This page allows configuration of the Primary Wireless Network and its security settings Supports WPA WPA2 WPA PSK WPA2 PSK WEP 64 bits WEP 128 bits and WPS Securities Fig 25 primary Network configuration ...

Страница 40: ...ress of the RADIUS Server you have to enter the port number for the server Port 1812 is the reserved RADIUS authentication port described in RFC 2138 Earlier AP RADIUS clients use port 1945 The default value will be shown on this box You can keep and use it RADIUS Remote Authentication Dial In User Service Key A RADIUS Key is like a password which is used between IAS and the specific RADIUS client...

Страница 41: ...nter four sets of the WEP key For 64 bit WEP mode the key length is 5 characters or 10 hexadecimal digits As for 128 bit WEP mode the key length is 13 characters or 26 hexadecimal digits Current Network Key Select one set of the network key from 1 to 4 as the default one Passphrase You can enter ASCII codes into this field The range is from 8 characters to 64 characters For ASCII characters you ca...

Страница 42: ... When configuring your Wireless Network via WPS Messages are exchanged between the STA and AP in order to configure the Security Settings on both devices Device Name Change the factory default to a name of your choice which is up to 32 characters long as like SSID WPS Setup AP UUID Universally Unique Identifier to Identifier this device generate AP PIN for STA to connect WPS Add Client There are t...

Страница 43: ...d Settings 54gTM Mode Under 802 11n mode OFF this option to choose 54g mode or force 802 11b only XPressTM Technology Increase aggregate throughput improve by up to 27 in 802 11g only networks and up to 75 in mixed networks comprised of 802 11g and 802 11b standard equipment 802 11n Protection This option allow 802 11g and 802 11b devices co exist in the same network without speaking at the same t...

Страница 44: ...g b a devices It provided ways of ensuring coexistence between legacy and successor devices Beacon Interval This is the time interval between beacon transmissions The measure unit is time units TU of 1024 microseconds Value range 1 65535 DTIM Delivery Traffic Indication Message Interval The value set here which informs the clients about the presence of buffered multicast broadcast data on the AP I...

Страница 45: ...access the cable modem or select Deny to prevent the clients on the list to access this device MAC Address Your Gateway identifies wireless PCs by their Wireless MAC Address This address consists of a string of 6 pairs of numbers 0 9 and letters A F such as 00 90 4B F0 FF 50 It is usually printed on the Wireless card of the device e g the PCMCIA card in a laptop or at the button of the laptop Ente...

Страница 46: ...Specifies the transmit parameter for traffic transmitted from the AP to the STA for the 4 Access Priority Categories Best effort AC_BE Background AC_BK Video AC_VI and voice AC_VO Transmit parameters include contention window CWmin CWmax arbitration Inter Frame Spacing Number AIFSN and Transmit opportunity Limit TXOP limit Admission Control specifies if admission control is enforced for the Access...

Страница 47: ...P limit WMM TXOP parameters Specifies the TXOP parameter for the 4 Access Priority Categories Best effort AC_BE Background AC_BK Video AC_VI and voice AC_VO WMM Transmit parameters include Short Retry Limit Short Fallbk Limit Long Retry Limit Long Fallbk Limit Those retry limit defines how many times the MAC retries to send different types of packets If the number of retries reach their limit the ...

Страница 48: ... Use this page to designate the remote devices the gateway is allowed to communicate with and to select the WDS mode You will need to configure the same SSID WiFi encryption mode and also the pass phrases for both TCG220 and remote WiFi gateway before you can extend the WiFi network together WDS Choose Disabled to shut down this function select Enabled to turn on the function of WDS Remote APs Ent...

Страница 49: ...G enabled client which connected on 2 4G to the 5G interface since TCG220 is a Dual Band Dual Concurrent Cable Voice WiFi Gateway vice versa This will also requires the support from WiFi Client Airtime Fairness is a new feature that TCG220 has If enabled this will balance the WiFi performance when High Throughput device such as 802 11n device and legacy 802 11b g device connected on the same chann...

Страница 50: ...7 Illustrations contained in this document are for representation only MTA Web Page Group Status This page displays initialization status of the MTA Fig 31 MTA Status Event Log This page displays the MTA Event Log Fig 32 MTA Event Log ...

Страница 51: ...Connections and setup 48 Illustrations contained in this document are for representation only Logout Web Page Group This page warning you are logged out click Back to Login return to Login page Fig 33 Logout Page ...

Страница 52: ...perly installed Ethernet card and the driver software to support it Check to see that you are using the right type of Ethernet cable The modem won t register a cable connection CABLE LINK light not on continuously If the modem is in Initialization Mode the INTERNET light will be flashing Call your cable company if it has not completed this 5 step process within 30 minutes The modem should work wit...

Страница 53: ... EMTA is connected to existing house telephone wiring make sure that another telephone service is not connected The other service can normally be disconnected at the Network Interface Device located on the outside of the house If using the second line on a two line telephone use a 2 line to 1 line adapter cable ...

Страница 54: ...irectly from your cable company then warranty service for the EMTA may be provided through your cable provider or its authorized representative For information on the following please contact your cable company See the enclosed warranty card if you purchased your EMTA from a retailer 1 Ordering Service 2 Obtaining Customer Support 3 Additional Service Information ...

Страница 55: ...ser Hub A device used to connect multiple computers to the cable modem IP Address A unique 32 bit address assigned to every device in a network An IP Internet Protocol address has two parts a network address and a host address This modem receives a new IP address from your cable operator via DHCP each time it goes through Initialization Mode Key exchange The swapping of mathematical values between...

Страница 56: ...ation across interconnected networks between computers with diverse hardware architectures and various operating systems TFTP Trivial File Transfer Protocol the system by which the Media Terminal Adapter s configuration data file is downloaded TSP Telephony Service Provider an organization that provides telephone services such as dial tone local service long distance billing and records and mainte...

Страница 57: ...able Installer This reminder is provided to call your attention to Article 820 93 of the National Electrical Code Section 54 of the Canadian Electrical Code Part 1 which provides guidelines for proper grounding and in particular specifies that the cable ground shall be connected to the grounding system of the building as close to the point of cable entry as practical ...

Страница 58: ...ur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an ou...

Страница 59: ... FCC radiation exposure limits set forth for an uncontrolled environment This equipment should be installed and operated with minimum distance 27cm between the radiator your body Note The country code selection is for non US model only and is not available to all US model Per FCC regulation all WiFi product marketed in US must fixed to US operation channels only ...

Страница 60: ...s cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the re...

Страница 61: ...trolled environment This equipment should be installed and operated with minimum distance 20cm between the radiator your body Note The country code selection is for non US model only and is not available to all US model Per FCC regulation all WiFi product marketed in US must fixed to US operation channels only ...

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