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Internet Server User’s Guide

Configuration Settings

Modem AT Commands

Options (sub-

settings

♦

Init. String:

<AT&F> (default)

♦

Dial Prefix String:

<ATDT> (default)

♦

Hang-up String:

<~~~+++~~~ATH0> (default)

Description:

Modem AT commands are used to configure

and operate the modem when it is necessary to control set-
tings such as the speaker volume, line modulation, or
handshaking protocol.

Note:

See your modem user’s guide for information
about initialization string settings and other
modem commands.

Note that the initialization string modem must set the following:

Fixed baud rate (i.e., serial data rate adjustment dis-
abled).

Data Carrier Detect (DCD) to follow carrier signal
status.

Data Set Ready (DSR) to on while the modem is on.

Data Terminal Ready (DTR) to off to hang-up.

Enable RTS/CTS flow control.

Содержание DP-692

Страница 1: ...DP 692 Internet Server Hub User s Guide Rev 01 July 1999 6DP692H 01 Printed In Taiwan RECYCLABLE ...

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Страница 3: ...ollten Sie es vom Stromnetz trennen Somit wird im Falle einer Überspannung eine Beschädigung vermieden 13 Durch die Lüftungsöffnungen dürfen niemals Gegenstände oder Flüssigkeiten in das Gerät gelangen Dies könnte einen Brand bzw Elektrischen Schlag auslösen 14 Öffnen Sie niemals das Gerät Das Gerät darf aus Gründen der elektrischen Sicherheit nur von authorisiertem Servicepersonal geöffnet werden...

Страница 4: ...th the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with this user s guide may cause harmful interfer ence to ra...

Страница 5: ...rchaser s circumstances require special handling of warranty correction then at the time of requesting RMA number Purchaser may also propose special procedure as may be suitable to the case After an RMA number is issued the defective product must be packaged securely in the origi nal or other suitable shipping package to ensure that it will not be damaged in transit and the RMA number must be prom...

Страница 6: ...k office To obtain an RMA number for warranty service as to a hardware product or to obtain warranty service as to a software product contact the D Link office nearest you An address telephone fax e mail Web site list of D Link offices is provided in the back of this manual LIMITATION OF WARRANTIES IF THE D LINK PRODUCT DOES NOT OPERATE AS WARRANTED ABOVE THE CUSTOMER S SOLE REMEDY SHALL BE AT D L...

Страница 7: ... PORT DESCRIPTIONS 8 RJ 45 LAN 9 BNC LAN 9 Serial WAN 9 DIAGNOSTIC LED DESCRIPTIONS 10 Normal LED Flash Pattern 13 CONNECTING TO THE LOCAL NETWORK 13 Cables 13 Connecting to a Twisted Pair LAN 13 Connecting Through Thin Coaxial Cable 15 Connecting Computers 15 CONNECTING TO THE INTERNET 16 CONNECTING POWER 17 SYSTEM SETUP 19 SETTING IP ADDRESSES 20 Using the Default IP Address 20 Changing the IP A...

Страница 8: ...me 34 Local LAN IP Address 34 Local LAN Subnet Mask 35 DNS IP Address 35 Maximum Idle Time 36 Operation Mode 36 Change Password 37 WAN PORT 1 2 CONFIGURATION 37 Line Type 37 Baud Rate 38 ISP Account Phone Number 38 ISP Account User ID 39 ISP Account Password 39 ISP Account IP Address 39 Modem AT Commands 40 Login Script 41 DHCP SERVER CONFIGURATION 42 Enable 42 IP Address Range Start 43 IP Address...

Страница 9: ...N 51 Displaying Information 51 TOOLS 52 SAVE CONFIGURATION 53 TROUBLESHOOTING 55 SYSTEM POST 55 DEVICE INSTALLATION PROBLEMS 56 WAN 56 LAN 57 STATION CONFIGURATION PROBLEMS 57 OPERATING PROBLEMS 58 SPECIFICATIONS 59 GENERAL 59 ENVIRONMENTAL AND PHYSICAL 60 AT COMMANDS 61 BASIC AT COMMAND SET 61 EXTENDED AT COMMAND SET 65 PORT PINOUTS 66 SERIAL PORTS 66 RJ 45 PORT 67 GLOSSARY 68 INDEX 73 ...

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Страница 11: ...ned for basic level users Overview of the User s Guide Quick Installation Chapter 1 Introduction Provides information about the DP 602 and internet server technology Chapter 2 Installation Helps you unpack understand and install the DP 602 Chapter 3 System Setup Explains how to set necessary options on the internet server Chapter 4 Configuration Settings Explains all available settings on the inte...

Страница 12: ...the source of problems and solving them Appendix B Specifications Lists the device s specifica tions Appendix C AT Commands Lists the basic and extended AT command sets Appendix D Port Pinouts Provides pinout data for the de vice s ports Appendix E Glossary Provides the meaning for some net working terms used in this manual ...

Страница 13: ... flat level surface or wall Make sure it is placed near the modem or ISDN TA you plan to use for your internet connections Making Connections Step 3 If you have an existing LAN connect the internet server to your LAN using a Category 3 4 or 5 twisted pair cable and the device s 10x Uplink port This connection should be made to a 10BASE T Ethernet switch or hub If you are using the built in 10 port...

Страница 14: ...hines on your LAN that will access the Internet through the Internet server you must give those machines IP addresses in the range of 192 168 100 xxx where xxx is a number from 2 to 255 If you want to use a different IP address range see Setting IP Addresses on page 20 You can alternatively set the machines on your LAN to obtain their IP addresses automatically using DHCP to get IP addresses from ...

Страница 15: ...ll dial Look under the WAN Port Set tings menu for this item and enter the phone number provided by your ISP Step 9 ISP Account User ID your ISP should also have assigned a User ID aka a username that you will use for logging in Also under WAN Port Settings enter this user ID exactly as it was provided to you Step 10 ISP Account Password finally to complete the ISP login process the internet serve...

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Страница 17: ...cess to the internet through a single account It controls your Local Area Network LAN by automatically as signing IP addresses to all computers connected to it and routing traffic to and from local computers and the internet Product Features The list below highlights the features and specifications of the DP 692 internet server Compatible with the IEEE 802 3 10BASE T Ethernet indus try standards f...

Страница 18: ...rt for coaxial attachment Automatic port partition Collision detection 56K maximum modem speed support 128K maximum ISDN TA speed support Internet Features include Dial On Demand NAT internet access DHCP server and virtual server Flash memory for easy firmware upgrades Internet Server Technology The concept behind internet servers is to provide internet access for multiple users through a single i...

Страница 19: ...nd user Single Global IP Address Using an internet server allows a single global IP address to be shared by multiple end nodes simultaneously In this implementation it is only necessary to pay for a single internet account even though many people will be able to use it ...

Страница 20: ...net server uses a single IP address from the first global LAN to establish a second local LAN in much the same way it allows many users to connect to the internet through a sin gle IP address PC s on the second LAN called a local LAN since the IP addresses of computers on this LAN are managed by the internet server can still access the internet by setting their Gateway address to the IP address of...

Страница 21: ...Internet Server User s Guide Introduction 5 ...

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Страница 23: ...er and carefully unpack the contents The carton should contain the following items One internet server device One AC power adapter suitable for your areas electrical power connections One 3 5 diskette with IS Admin software IS Admin User s Guide One 3 5 diskette with IS Manager Server software IS Manager Server User s Guide One 3 5 diskette with IS Mail Server software IS Mail Server User s Guide ...

Страница 24: ...lated area that is dust free and away from heat vents warm air exhaust from other devices and direct sunlight Avoid proximity to large elec tric motors or other electromagnetic equipment Observe the following guidelines when choosing an installation location Air temperature should range from 32 to 122 F 0 to 50 C Humidity should be less than 90 non condensing Site should not exceed the electromagn...

Страница 25: ...ort 10X will become an MDI II Uplink port for connecting the internet server to another hub BNC LAN The DP 692 provides a BNC port for cascading with other hubs without sacrificing any RJ 45 ports Use this port to connect to your thin coax backbone DP 692 Side Panel Serial WAN Serial ports are used for WAN connections either to a modem or an ISDN terminal adapter Both serial ports are standard mal...

Страница 26: ... Blinking Packet collision is occurring Packet collisions are not an abnormal situation Collisions occur when two or more computers transmit packets on the network simul taneously and a contention takes place on the network line The computers should then back off then retry transmission This trial and error process is repeated until no collision takes place Note Excessive collisions may re sult wh...

Страница 27: ...eption is occurring OFF No packet reception Partition for each UTP port ON The UTP port is being partitioned off due to excessive packet collisions Note that the UTP cable between a hub port and a non repeater node must contain straight through wires no cross over OFF Segment has no problem Partition for BNC port ON The BNC port is being partitioned off due to 1 no ca ble is connected 2 faulty cab...

Страница 28: ...ircuits is not working If this condition persists contact your dealer for service Blinking The Internet server s LAN is receiving packets from the Hub Tx at far right Blinking The Internet server s LAN is sending packets to the unit s Hub circuitry OFF The Internet server s LAN is not sending packets to the Hub circuitry Partition at far right ON The Internet server s LAN circuitry has been parti ...

Страница 29: ...operating normally Connecting to the Local Network This section describes how to connect the DP 692 internet server to your Ethernet network Cables The EIA TIA 568 Wiring Standard imposes a 100 me ter limit on horizontal runs of twisted pair cables in this case from the internet server to any other device 10 Mbps Ethernet connections must use Category 3 or better twisted pair cabling fitted with R...

Страница 30: ...king this con nection the button next to the 10X port should be in the Uplink OUT position DP 692 Internet Server Hub LAN Uplink Connection Please refer to the following table when making twisted pair con nections DEVICE PORT USED DEVICE BEING CONNECTED PORT TYPE CABLE TO USE Hub or Normal Crossover X Normal Switch Uplink Straight Through Internet Server or PC Straight Through Server Hub or Normal...

Страница 31: ...e Be sure to leave a minimum of 0 5 meter 2 feet of cable between two BNC ports Connecting to a Thin Coaxial Segment The BNC port on DP 692 is used to connect to a thin coaxial seg ment Connect a T connector to the BNC connector then connect both ends of the T connector to the thin coaxial cable If the thin coaxial segment terminates at the hub attach a 50 ohm termina tor to one end of the T conne...

Страница 32: ...to the internet this is also known as a Wide Area Network or WAN connection using a COM serial port A COM port can either be connected to the se rial port of a modem or fax modem or to an ISDN terminal adapter This internet server model has two COM ports and can therefore have two WAN connections Any combination of different types of WAN connections will work The faster the WAN connections the fas...

Страница 33: ...m Connection Connecting Power Power is supplied to the internet server through an AC power adapter Connecting Power Since the internet server does not include a power switch plug ging its power adapter into a power outlet will immediately power it on ...

Страница 34: ... to the LAN and powered on you can use the included IS Admin software to assign an IP ad dress to the device Once the internet server has a valid IP address you may set it up for normal operations i e connecting to the internet from any network station through Telnet or a web browser ...

Страница 35: ...o provided A full listing of all settings in the internet server is provided in Chapter 4 Note that the settings configuration program embedded in the internet server is the same regardless of whether you are using Telnet or a web browser although it is dis played in different formats Usage Note Throughout this user s guide we refer to your ISP An ISP Internet Service Provider is a company that pr...

Страница 36: ...ke sure that you have physically connected all components in the LAN including the internet server the hub or switch and the computers as described in the previous chapter Using the Default IP Address The internet server comes with a preset default IP address setting of 192 168 100 1 There are two ways to use this default IP ad dress The first way is to manually set the IP address subnet mask and ...

Страница 37: ...ast number denotes the host IP address each computer must have a unique address to distinguish it on the network Also note that the subnet mask is the same for all machines and the default gateway address is the Local LAN IP address of the internet server The second way to use the default settings is to allow the internet server to automatically assign IP addresses to your computers using DHCP To ...

Страница 38: ...ion window choose Local LAN IP Address and type in the IP address you wish to assign to the internet server 7 Also in the System Configuration window choose Local LAN Subnet Mask and enter the correct subnet mask Hint If left blank the internet server will automati cally assign the standard subnet mask for Class A B or C IP addresses 8 Rreturn to the main menu and choose Save Configuration The int...

Страница 39: ...ce you have access use the menu item numbers to navigate the menus and change settings All settings are described later in this manual Note Make sure to save the configuration after modifying device settings The Save Configu ration function immediately ends the Telnet session and restarts the internet server in the new configuration ...

Страница 40: ...e internet server start your browser program and enter the prefix http followed by the IP address assigned to the server in the address window You should immediately see the internet server web browser in terface menu as shown below Note that the internet server IP address can be bookmarked for future access so that it doesn t need to be entered each time ...

Страница 41: ...server as proxy settings may interfere with browser access to local devices If you use a non frames browser when you receive the initial internet server screen you should see the main navigation menu rather than the navigation menu and the system status screen The functions are the same only the appearance will be different After you have access to the browser interface use the menu op tions in th...

Страница 42: ...ly the first is a System setting the others are WAN port settings DNS IP Address Domain Name Service DNS servers are used on the internet to maintain information about which Uniform Resource Locator URL name relates to which internet IP address For example the URL WWW NETSCAPE COM is a pseudonym for the IP ad dress 203 89 225 67 DNS entries allow users to access resources using URLs instead of IP ...

Страница 43: ...ocal ISP phone number complete without spaces hyphens or other punc tuation except for commas which are used for a brief pause in dialing The maximum length is 20 characters Example Your ISP phone number is a local call to 916 5555 and you must dial 0 in order to get an outside line from the office where you want to use the internet server You would enter 0 9165555 as the ISP Account Phone Number ...

Страница 44: ...rscores and other punc tuation included The maximum length is 64 characters Default Value none Must Be User Modified Yes Description This variable is the user ID that will be pro vided to the ISP once the modem connection is established Notes It may not be possible with some ISPs to use this variable to allow the internet server to automatically login In that case it will be necessary to use the L...

Страница 45: ...a connection is not being established even though you have entered the Username and Password in the appropriate settings fields The login script has two parts the Prompt and the Keyin The prompt consists of questions your ISP is asking you for example your username The keyin field consists of responses to the ISP The data entered into these fields is case sensitive and must be an exact match A car...

Страница 46: ...each keyin being the exact data you would en ter Default Value none Must Be User Modified No unless your ISP login pro cedure requires you to use a login script Description A login script is used to provide login prompt responses when required by the ISP login procedures Each line item in the script table should correspond with a prompt that the ISP makes once the modem connection is established T...

Страница 47: ...ers that must be set IP Address must be a unique IP address chosen from the three reserved IP ranges set aside for local network only use If using DHCP make sure that each computer is set to 0 0 0 0 or to Obtain an IP Address automatically Default Gateway should be set to the IP address as signed to the internet server s Local LAN interface DNS Domain Name Service an IP address provided by your IS...

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Страница 49: ...me order as the menu listings presented by the internet server Telnet console program Note that some settings have been defined in further detailed in Chap ter 3 Navigation Controls Each of the functions below may be available in various locations and each is either a configuration control or a navigation control Quit Quits the current function or the entire manage ment system Activation is follow...

Страница 50: ...ver on network management lists of active de vices Local LAN IP Address The Local LAN IP Address variable defines the unique IP address that your network will use to identify the internet server Options Any IP address from within the local only ranges 10 0 0 0 10 255 255 255 172 16 0 0 172 31 255 255 192 168 0 0 192 168 255 255 Default Value 192 168 100 1 Must Be User Modified No Description The I...

Страница 51: ... receive broadcast messages i e messages not requiring a specific IP DNS IP Address Domain Name Service DNS servers are used on the internet to maintain information about which Uniform Resource Locator URL name relates to which internet IP address For example the URL WWW CNN COM is a pseudonym for the IP address 207 25 71 25 DNS entries allow users to access resources using URLs instead of IPs Opt...

Страница 52: ... is using the internet Options A time duration from 1 to 65535 minutes Default Value 30 minutes Must Be User Modified No Description The system will automatically disconnect the WAN link if the port is inactive for the time set Operation Mode Options sub menus Mode LAN to WAN LAN to LAN Default is LAN to WAN operation LAN to LAN Internet server Global IP Ad dress Internet server s address for the ...

Страница 53: ... your LAN but have limited IP addresses available and internet access is provided via a router Note In LAN to LAN mode you cannot let users outside of the LAN have access to services e g Telnet FTP or web servers Change Password Options An eight character string of letters and numbers Case sensitive Default Value none no password Must Be User Modified No but it is highly recommend to protect your ...

Страница 54: ...e set equal to or greater than the maximum possible transmission rate of the device e g the modem connected to the WAN port ISP Account Phone Number Options For dial up connections the local ISP phone number complete without spaces hyphens or other punc tuation commas may be used to indicate a pause The maximum length is 20 characters Default Value none Description The phone number entered in this...

Страница 55: ...or dial up connections the ISP user access password exactly as provided i e all letters capitalized where necessary underscores and other punctuation in cluded The maximum length is 32 characters Default Value none Description This variable is the user password that will be provided to the ISP once the modem connection is estab lished and the username has been accepted ISP Account IP Address Optio...

Страница 56: ... tings such as the speaker volume line modulation or handshaking protocol Note See your modem user s guide for information about initialization string settings and other modem commands Note that the initialization string modem must set the following 1 Fixed baud rate i e serial data rate adjustment dis abled 2 Data Carrier Detect DCD to follow carrier signal status 3 Data Set Ready DSR to on while...

Страница 57: ...tions protocols each time you dial up your login script would look like something like this No Prompt Keyin 1 Username Stepanka 2 Password abcd 3 Choice 2 With each prompt being the text of the prompt provided by the ISP and each keyin being the exact data you would en ter Default Value none Description A login script is used to provide login prompt responses when required by the ISP login procedu...

Страница 58: ...ry defaulted to ON Important Note If you use DHCP to set your local IP ad dresses the software IP settings of all stations on the network will need to be manually con figured to 0 0 0 0 or as in the case of Windows 95 users the Obtain an IP address automatically option under TCP IP will have to be selected Enable Options Yes No Default Value Yes Description This variable is the on off switch for u...

Страница 59: ...ange of IP addresses available for DHCP use in assigning IPs It is paired with the next variable to create an address range IP Address Range End This is the second of the DHCP IP address range Settings Options Any IP address within the three reserved IP ranges The IP address used must correlate with the IP set in the Beginning range variable Default Value 192 168 100 150 Description This variable ...

Страница 60: ...IP addresses will not be used by other devices on the LAN under any circum stances Note that devices listed in the Server Address Settings table should have their IP addresses listed here if DHCP is going to be used so that their IP addresses don t get assigned to other network stations Server Address Configuration The Server Address Configuration table allows you to setup local servers for exampl...

Страница 61: ...s function is disabled and no LAN devices can be accessed from the internet No Item number used for entry editing Maximum of 16 en tries Local IP Address The LAN IP address for the server entered Any resource which will be shared to the internet through the server should have a dedicated IP address Protocol The type of server protocol being used TCP or UDP Port Number The server port number assign...

Страница 62: ...efault IP address is 0 0 0 0 Log and Filter When set to Yes the log and filter functions in IS Manager server software will be enabled The internet server will create a log of all user connections and their status viewable in the IS Manager program The user fil ters also become operative filtering connections by user protocol and destination as defined in the IS Manager program Default setting is ...

Страница 63: ...ut when it receives a data packet destined for the internet and will hang up when the idle time condition in the System Configuration menu is met However when scheduling is enabled the internet server will maintain the WAN connection ac cording to these parameters Auto Dial Causes the internet server to automatically dial out when a scheduled time occurs If the internet server is scheduled to oper...

Страница 64: ... port The first users accessing the Internet will cause WAN 1 to dial out and the users will all share the WAN 1 bandwidth After the designated number of WAN 1 users is achieved further users accessing the internet will cause WAN 2 to dial out and establish a connection Addi tional users will then be placed on WAN 2 After the designated number of WAN 2 users has been achieved and WAN 1 is still fu...

Страница 65: ...n Percent age for each port and a Time Period during which the utilization must be constantly sur passed The Max Utilization Percentage is a percentage of the total bandwidth of the de vice connected to the port For example 70 utilization of a 56k modem is 39 2kbps The time period value keeps the internet server from acting on quick temporary bursts in traffic Once the utilization value on WAN 1 i...

Страница 66: ...c routes into the routing table to the other IP networks or IP subnets that the router is routing between Use the router s LAN IP address as the gateway for the static routes to the other IP networks or IP subnets that the internet server does not belong to Doing this enables computers on the same IP network as the internet server to communicate with the computers on the other local IP networks or...

Страница 67: ...NetBIOS over TCP IP As the name implies this feature allows you to filter NetBIOS traffic when it is transmitted over TCP IP This can prevent NetBIOS domain name queries for exam ple from initiating a dial up connection Displaying Information The internet server provides a display function which shows the current setting and operational status of all of its functions In display mode it is only pos...

Страница 68: ...connections with the fol lowing data Source IP Destination IP Protocol Path and Idle Each user connected to the internet through the server will be listed Monitor Traffic This feature allows you to monitor traffic on the WAN ports s in kbps kilobytes per second and as a percentage of utilization Display Current Time Shows the current date and time as known by the internet server Please note that t...

Страница 69: ...evice Factory Reset Return the internet print server s settings to their original factory values and restart the de vice Note that this will wipe out all information about how the settings are currently set Adjust Time Choosing this option causes the inter net server to contact the IS Manager Server software to receive an updated time and date Save Configuration This feature stores the current set...

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Страница 71: ...Self Test POST as a check of system components Errors en countered during the POST are indicated by different flashing front panel LED combinations Note The LEDs flash as a normal part of the sys tem initialization The error flash codes listed in the table below will be constant and thus unlike the brief LED indications at initial power on ...

Страница 72: ...ng 4 short off Flash ID Error 5 1 long 5 short off Flash Erase Program Error 6 1 long 6 short off LAN Controller Error 7 1 long 7 short off LAN Memory Error 8 1 long 8 short off IO Controller Error 9 fast flashing on EEPROM Error 10 1 long 11 short off LAN IO Base Error Device Installation Problems WAN IP ADDRESSES If you have trouble connecting with or con tacting your ISP double check the IP add...

Страница 73: ... not using the internet server s DHCP server function make certain that you are using only IP addresses from the three reserved ranges and that each PC s IP address is within the same subnet as the internet server LAN IP Station Configuration Problems SUSPEND BROWSER PROXIES When using a browser to configure the internet server we recommend that you sus pend use of proxies until after you have com...

Страница 74: ...ticular check the setting of the ini tial string for discrepancies with your modem s operational features ISP DETAILS Double check all ISP login information i e username password phone number for accuracy OUTSIDE LINE ACCESS DIALING If it is necessary for you to dial a special number in order to dial a phone number out side of your office that dialing information will need to be included in the ph...

Страница 75: ...ater ANSI X3T9 5 Twisted Pair Transceiver Protocol CSMA CD Network Data Transfer Rate 10BASE T Ethernet 10Mbps Ports Ten 10BASE T Ethernet LAN ports One BNC port Two RS 232 serial WAN ports Network Media Ethernet Category 3 or better UTP cable 100m maximum Status LEDs Power Collision Link Rx Partition COM1 and COM2 ...

Страница 76: ... Power Supply 5VDC 1 5A external Dimensions 223 3 x 131 7 x 35 mm W x L x H Weight 500 grams approximately 17 85 ounces Operating Temp 0 to 50 C Storage Temp 25 to 55 C Humidity 5 to 95 non condensing Emissions FCC Class A CE VCCI Class A C Tick Safety UL CSA CE Mark TÜV GS ...

Страница 77: ...included with your modem or fax modem Basic AT Command Set Each command except for and A must be preceded by AT and executed when you press the Enter key Command Var Description Escape to command mode A Repeat last command A Answer command Bn Protocol for 1200 bps connection 0 V 22 mode 1 Bell 212A mode Default Dstring Dial Command P Pulse dial must precede number string T Tone dial must precede n...

Страница 78: ...end Return to command mode after dialing to allow additional dialing com mand S n Dial a stored number where n is equal to 0 1 or 2 corresponding to the slot number Fn Select Line Modulation 0 Auto detect mode 1 V 21 or Bell 103 2 Reserved 3 V 23 4 V 22 or Bell 212A 1200 bps line speed 5 V 22 6 V 32bis or V 32 4800 7 V 32 7200 8 V 32bis or V 32 9600 9 V 32bis 12000 10 V 32bis 14400 13 V FC 14400 1...

Страница 79: ...ta pump model and code ver sion Ln Speaker Volume 0 Off 1 Low Default 2 Medium high 3 High Mn Speaker Control 0 Speaker always off 1 Speaker on during handshaking and off while receiving carrier Default 2 Speaker on during handshaking and while re ceiving carrier 3 Speaker off during dialing and receiving carrier and turn speaker on during answering Nn Automode Detection This command interacts wit...

Страница 80: ...not send response Sn Select S Register as default Sn Display the value of S Register n Sn v Change the value of Register n to v v Set default S Register to value v Display the value of the default S Register T Force DTMF dialing Vn Response Format Used with Q command 0 Numeric response format 1 Word response format Default Wn Extended Response Code 0 Report DTE speed in EC mode Default 1 Report li...

Страница 81: ...t signal status 0 Forced to On continuously Default 1 Follows the status of remote carrier signal Dn Date Terminal Ready DTR operations 2 DTR off causes modem to hang up F Load the default factory settings Hn Data flow control DTE DCE 0 Flow control disabled 3 Hardware RTS CTS flow control 4 Software Xon Xoff flow control Sn Data Set Ready DSR 0 DSR overridden DSR always on ...

Страница 82: ...e internet server s 9 pin RS 232 serial port Consult your modem s documentation for de tailed information on how to physically connect the internet server to it Pin Signal Function 1 DCD Data Carrier Detected 2 RxD Received Data 3 TxD Transmitted Data 4 DTR Data Terminal Ready 5 Gnd Signal Ground 6 DSR Data Set Ready 7 RTS Request To Send 8 CTS Clear To Send 9 RI Ring Indicator ...

Страница 83: ...rent ratings at different lengths for Ethernet and Fast Ethernet Straight Twisted Pair Cable Pinouts Contact MDI X Signal MDI Signal 1 RD receive TD transmit 2 RD receive TD transmit 3 TD transmit RD receive 4 Not used Not used 5 Not used Not used 6 TD transmit RD receive 7 Not used Not used 8 Not used Not used RJ 45 Twisted Pair Cabling Active Pinout Configuration ...

Страница 84: ... is not necessarily implied 10BASE T The original Ethernet LAN communica tions standard set by the IEEE in standard 802 3 a 10Mbps standard 10Mbps 10 million bits per second an expression of transmission speed in a network A Address A number set of numbers or name which uniquely identifies a computer network device or network resource B Bandwidth The range of frequencies available across a communi...

Страница 85: ... or hub that detects and resolves collisions locally so that there is less impact on the entire net work CSMA CD Carrier Sense Multiple Access with Colli sion Detection a network communications protocol in which each transmission source i e station server switch etc monitors the main data channel for traffic before and during transmission postponing transmission when the data channel is in use D D...

Страница 86: ...n gineers an accredited professional group of scientists and engineers who help set standards for LAN communications tech nology In band Communications with a network device using the network medium itself Contrast with out of band Internet server A device designed to provide internet ac cess to multiple users at multiple stations but through a single access point both a single ISP and only one pu...

Страница 87: ...de an electronic de vice that lights up when electricity is passed through it LEDs are commonly used for status indicators on electronic de vices M Mbps Megabits per second millions of bits per second T TCP IP Transmission Control Protocol Internet Protocol a suite of transport and network layer communications protocols Telnet Terminal emulation for the TCP IP proto col suite used for interacting ...

Страница 88: ...air twisted pair wire with shielding W WAN Wide Area Network an interconnected set of computers and other devices spread over a large geographic area Often used synonymously with internet A WAN connection might be the connection of two office buildings on different sides of the city or a connection to the Internet for example Compare LAN ...

Страница 89: ...ess 26 35 DSR 40 DTR 40 end node 2 Factory Reset 53 FCC 60 filter NetBIOS 51 flow control 40 Gateway address 4 gateway IP address 20 global IP address 3 Hang Up 52 Holiday Table 46 host address 21 Idle Time 36 IEEE 802 3 59 installation 7 1 Installation 56 internet server 4 Internet Server 2 IP Address 30 34 39 IP Address Range 43 IP Addresses 20 IP ADDRESSES 57 IP Lease Time 43 IP networking 22 I...

Страница 90: ...RJ 45 9 71 Routing Table 50 Save Configuration 53 Schedule Table 46 Serial 9 Serial ports 9 Server Address Settings 44 Server Name 34 Specifications 59 static routing table 50 STP 72 1 subnet mask xii 20 35 Subnet Mask 35 System POST 55 Telnet 22 Thin Coaxial 15 Tools 52 Traffic Control 48 Troubleshooting x 13 55 Twisted 71 Uplink 14 Uplink Connection 14 User Connection Status 52 User ID 28 39 Uti...

Страница 91: ...many TEL 49 6192 97110 FAX 49 6192 971111 WEB www dlink de BBS 49 6192 971199 INFO 0130 7250 00 toll free HELP 0130 7250 40 toll free INDIA D LINK INDIA PVT LTD Plot No 5 Kurla Bandra Complex Rd Off Cst Rd Santacruz E Bombay 400 098 India TEL 91 22 6526578 FAX 91 22 6528476 ITALY D LINK ITALY Via Nino Bonnet n 6 20154 Milano Italy TEL 39 2 2900 0676 FAX 39 2 2900 1723 JAPAN D LINK TOKYO 10F 8 8 15...

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Страница 93: ...he product primarily be used oHome oOffice oTravel oCompany Business oHome Business oPersonal Use 2 How many employees work at installation site o1 employee o2 9 o10 49 o50 99 o100 499 o500 999 o1000 or more 3 What network protocol s does your organization use oXNS IPX oTCP IP oDECnet oOther_____________________________ 4 What network operating system s does your organization use oD Link LANsmart ...

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Содержание DP-692

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