Internet Line Fault Monitor - Ellis Embedded Engineering
Contents
1. Terminal Us r_Inpit ss saos sasti cous ving Sanak a a KE Bag Dan AA ga se ga ra Kenaa et 14 ILF 100 Username amp Pass Word ns chai a eed eens 14 Savine OUR CAN DES sa saga age in tend a E Yen KAE 15 Using the LDS res sch sac 5 in ENG a ga NG a BEA KN TE Aa GENG aaa A a Na a a aan 15 Restoring Factory Default tennis a nean a naen nean aane 15 Hard RES saseg nganan asa pan gas ET A Aa KN ation BA a Ka gt ntact nga na aa AT ga pan gk ag aana 15 Re sending the Sign On Email sasas asas asana anan eee a A ae ed eae a Aa ee 15 Explanation of the INTERNET EMAIL PING and HTTP Status LEDs 15 List of Figures Fig re 1 ILF 100 WINNS es asasi sa a EN RS Cee RER at acta acre tt tn ee 5 Figure 2 Network Logon Dialog Box na nn ten ene ede 7 Figure 3 Local Area Connection Properties 142 dansensenes 8 Fig re 4 TCP IP Properties eyn e e a e a Ga Ga NG nt nn ele ee SA 9 Figures Text To Identify This Unit sen a tet ee R RAE A aa aS 9 Figure 6 NGIWOIk SEtUNG Sas sae a E a rie i aia tt aa 10 Fig re 7 Email Seti OS SAR ee tat M US Nga Aa Ta Ga Nga bg ae Ega a ren 12 Figure 8 Internet Monitor Setlinpsss ses tte ni sde me 13 Piwute 9 Username amp Password ne tong nia e en a a ts es tease A 14 Stealth Labs ILF 100 User Manual FAQ Q What is the ILF 100 and what does it do A The ILF 100 is an Internet Line Fault monitor Line fault monitors have been around for many years for telephone lines They were designed to d2. 168 7 1 p 20 Subnet mask 255 255 255 0 Default gateway Use the following DNS server addresses Preferred DNS server Alternate DNS server Figure 4 TCP IP Properties ILF 100 Configuration Web Page The ILF 100 Configuration Web Page is divided into five sections Text To Identify This Unit Network Settings Email Settings Internet Monitor Settings ILF 100 Username amp Password ae u o m Text To Identify This Unit The first section is shown in Figure 5 This text field allows the user to describe name the ILF 100 or the location in which it is installed All emails sent by the ILF 100 will include this text in the body of the email to help clarify which unit sent the email This text may be up to 25 characters in length Text To Identify This Unit This text will be displayed here and in the body of all emails ILF 100 l j 25 alpha numeric characters max Figure 5 Text To Identify This Unit Stealth Labs ILF 100 User Manual Network Settings The Network Settings section is shown in Figure 6 The LAN and WAN IP addresses are displayed at the top of the section If the ILF 100 has not yet connected to the internet the WAN IP will be displayed as 0 0 0 0 otherwise it will display the IP address that was assigned to the router by your broadband Internet Service Provider If the ILF 100 was able to connect to a DHCP server the LAN IP address will display the IP address that was assigned to it by
3. the router If no DHCP server was found the fallback IP address of 192 168 1 10 will be displayed If DHCP is being used there is no need to make any changes to this section Just make sure the Obtain IP address automatically and Obtain DNS server address automatically buttons are selected Proceed to the Email Settings section a Network Settings ILF 100 public WAN IP address is 24 123 456 789 ILF 100 private LAN IP address is 192 168 0 114 o Obtain IP address automatically G Use the following IP address LAN IP address 1921680114 Subnet mask 255 255 255 0 Default Gateway o Obtain DNS server address automatically G Use the following DNS server address First DNS server Second DNS server Figure 6 Network Settings Manually Assigning an IP Address If your network does not use DHCP or if you plan on being able to access the ILF 100 from remote locations you will need to manually assign an IP address Note that some routers allow static IP addresses to be assigned while still using DHCP Tf this is the case with your router you can leave the Obtain IP address automatically button selected Refer to your router s setup manual for more information on enabling static IP addresses If your router does not support static IP address assignments through DHCP you must manually assign an IP address to the ILF 100 Click the Use the following IP address button This instructs the ILF 100 not to use DHCP A DHCP
4. F 100 and a computer to an Ethernet switch that is not connected to a network The only two devices connected to the switch should be the ILF 100 and the computer The ILF 100 will fallback to a static IP address of 192 168 1 10 if no DHCP server is detected If your local network is already configured with a prefix of 192 168 1 and if no other computer is using IP address 192 168 1 10 then the ILF 100 may simply be connected to your network go directly to Step 5 Otherwise your computer must be configured to use an IP address in this range before it can connect to the ILF 100 Be te RON En Stealth Labs ILF 100 User Manual sure to make a note of your computer s network settings before following these steps You will need the original settings to return your computer to its normal network settings In Windows XP do the following a b mono Fa oa Click the Start button then select Control Panel Click Network Connections be sure the computer is already connected to the ILF 100 via the crossover cable or Ethernet switch Right click on Local Area Connection and select Properties Highlight Internet Protocol TCP IP as shown in Figure 3 Click the Properties button Click the Use the following IP address button and enter 192 168 1 20 see Figure 4 Leave the default 255 255 255 0 Subnet mask Leave the Default gateway blank Click OK to close the TCP IP Properties box Click Close to close the L
5. Stealth Labs ILF 100 User Manual Internet Line Fault Monitor 2006 Stealth Laboratories LLC Patent Pending Rev 1 10 09 15 2006 Stealth Labs ILF 100 User Manual Table of Contents FAQ Re Dasa Ten e NL ote aa not la iA Ue Site Caan a a se 3 What is the ILF 100 and what does it d0 2eme 3 What else does te ILF 100407 date iol ANG ne fe dat einen une 3 Who needs an internet line fault MONO ins ne ns ten 3 oes the TEF 100 Work with DSE res Se NGE nn ne At ce 4 How does the ILF 100 detect internet line faults n aee 4 What isan IP Address usant es Riu fn ta RS fn nt ie 4 What isa ROUE act oa recta ANG LENG acct ee Poe nn es ne aids cn Sareea 4 What Ca DHCP marora Re PR RER a ga Ga An a a A A ES ES ER A 4 Installation and Configuration isis ce A A nds 5 Electrical Connections sites er e Kagan pa wa kaa NAGA ga id ete nt 6 Network Conf euration sssri rinn GAN ann a Area aie ee aa 6 DH P Method ann ne ae A bBo naa ee a NATE AGA aa a ne cell Oo aides a AN NA BG NG Ra 6 Fallback Method Using a Crossover Cable ses 7 ILF 100 Configuration Web Page 9 Test TO IR tad BV RS SSSR ne a O reer er SPCR A nee 9 Network SEHINGGA a a GE D aga Ba a E Ga ED a Ga a a E ERR 10 Manually Assigning an IP Address 10 Remotely Accessing the ILF 100 2588 ne nee et de te ee 11 Email SCC eS LR seo eaten he teh ence sae tale ea alee A Re OA E nue 12 Internet MO ItOr Seeing ESS RER A A ES 13 MINTER IN
6. address suffix typically starts at 100 so you should use a suffix that is not located in the range being used by DHCP If 10 Stealth Labs ILF 100 User Manual your router uses addresses 192 168 1 100 192 168 1 199 for DHCP you should use a suffix greater than 1 which is usually assigned to the router and less than 100 such as 192 168 1 10 or 192 168 1 15 etc You will also need to make sure that the IP address you select is not already in use by another computer on your network Once you have entered a valid IP address press the Tab key to highlight the Subnet mask field In most cases this should be left set at 255 255 255 0 Tab to the next field Default Gateway Enter the IP address of your router You can determine this address by running ipconfig from a Windows command prompt click the Start button then Run and type cmd in Windows XP or Windows 2000 or command for Windows 98 Use the same Default Gateway IP address shown by the ipconfig command Next you must enter the IP address for at least one preferably two DNS server s You may need to contact your ISP for these addresses or you may be able to find them listed on your router s status page The Obtain DNS server address automatically button will not work if DHCP is not being used Remotely Accessing the ILF 100 For remote access you will have to configure your router to allow outside access to the ILF 100 s IP This is usually done by e
7. ade all the necessary changes to the ILF 100 configuration page press the Submit button The web browser will be redirected to a page that displays the progress as the ILF 100 saves all parameters to flash memory Once the configuration is complete click the Close Window button to close the browser window The ILF 100 will reboot itself in order to begin using the new settings Using the ILF 100 Restoring Factory Defaults To return the ILF 100 to the factory default settings press the INIT switch SW2 when powering up the ILF 100 To restore factory defaults without removing power press and hold the RESET switch SWI then press and hold the INIT switch SW2 Release the RESET switch then release the INIT switch when you see all the red green LED pairs illuminate The red green LED pairs will blink once a second as an indication that factory defaults are being re written to flash memory When the blinking ceases the initialization is complete Hard Reset The ILF 100 can be reset by momentarily pressing the RESET switch SW1 Re sending the Sign On Email To prompt the ILF 100 to re send its sign on email with serial number IP address and firmware version momentarily press the INIT switch SW2 Explanation of the INTERNET EMAIL PING and HTTP Status LEDs INTERNET e Green One or more of the monitored servers are responding e Red No servers are responding the internet connection is down EMAIL e Green An email was succe
8. be concerned with a local private IP address that is only visible to your local area network LAN and a public IP address that is assigned to your router by your ISP This is your Wide Area Network WAN IP address and is the address that is used when you connect to servers on the internet Q What is a Router A A router is a hardware device that connects two or more networks Routers are the primary backbone device of the Internet connecting different network technologies into a seamless whole Each router is assigned two or more IP addresses because each IP address contains a prefix that specifies a physical network Most routers act as a firewall and DHCP server as well as provide the means for sharing a single broadband internet connection with all the computers connected to its LAN Q What is DHCP A DHCP stands for Dynamic Host Configuration Protocol DHCP is the means for automatically assigning an IP address to a computer when it connects to a network Since DHCP is dynamic there is no guarantee which IP address will be assigned to the computer although some routers do allow static IP addresses to be assigned with DHCP Stealth Labs ILF 100 User Manual Installation and Configuration Server Status LEDs Yellow Test in progress Red Fail To network Cellular back up relay activates for total internet failure Power Terminal Block Internet Status LEDs Green Pass Red Fail 00000000 I
9. er com or pop youremailprovider com Consult your email provider for more information 4 Enter the outgoing mail server name for the Outgoing Mail Server SMTP field This is typically something like mail youremailprovider com or smtp youremailprovider com Consult your email provider for more information 5 Enter the Username for the Account User Name field This may be just the username or it may be your entire email address Consult your email provider for more information 6 Enter your password in the Password field Note this is the password for your email account The password for the ILF 100 configuration page is set in the last section amp Internet Monitor Settings Domains IP addresses to monitor Server 1 seta A CC Enable Server 1 fail restore emails Server 2 a ou z Enable Server 2 fail restore emails Server 3 TON z Enable Server 3 fail restore emails Server 4 7 Enable Server 4 fail restore emails Server 5 a z Enable Server 5 fail restore emails Locally monitored resources Send email notice if WAN IP changes E Send email if user input changes states LOW GS Last Input State LRetresh Figure 8 Internet Monitor Settings Internet Monitor Settings The Internet Monitor Settings section is shown in Figure 8 The ILF 100 includes five predefined servers but the user is free to change any or all of them There are a few things you must keep in mind however 1 You do not need to enter ww
10. etect cut telephone lines and trigger some type of backup communication for burglar alarm transmission reports typically a cellular dialer or radio link The ILF 100 is the internet equivalent of the telephone line fault monitor Instead of detecting a faulty telephone line the ILF 100 detects a faulty broadband internet connection for customers using a Voice over Internet Protocol VoIP service for their alarm reports If the internet connection is lost the ILF 100 will trigger a relay output that can be used to switch over any burglar fire alarm transmissions to a backup communications device It obviously can t send an email notice if the internet connection fails but the ILF 100 will send an email notice when the connection restores Q What else does the ILF 100 do A The ILF 100 has several secondary functions 1 It can monitor a user input for any HIGH or LOW state changes and send email notices when this input changes states This feature is very useful for monitoring an alarm system violation output a freezer alarm or basement water alarm It can even be used in conjunction with a telephone line fault monitor to send email notices if the premises telephone line is cut These email notices can even be sent to a wireless phone as SMS text emails All pertinent information is contained in the email subject line 2 The ILF 100 also detects and compares the WAN IP address that is assigned to the broadband connection by the Internet Ser
11. ine faults Does it measure voltage current or frequency A Actually none of the above Instead of trying to detect some physical electrical attribute of a valid connection the ILF 100 polls one of five different web servers every minute to insure the internet connection is working It is equivalent to a telephone line fault monitor actually making a phone call every minute to test the phone line Not practical for your phone line but highly practical for a broadband connection Q What is an IP Address A An IP address is a unique 32 bit number for each host on a network This number is known as the Internet Protocol Address the IP Address or the Internet Address These terms are interchangeable The IP address is considered in two parts the prefix which identifies the physical network and the suffix which identifies a computer on the network A unique prefix is needed for each network in an internet A good analogy is to think of the IP address as a telephone number The prefix is the area code and exchange The suffix is the number that identifies your individual telephone In a class C network for example if your IP address is 192 168 0 114 the prefix portion of your IP is 192 168 0 The suffix is 114 which is the unique number that differentiates your computer from all the other computers connected to the same local area network For a computer connected to a network with internet access there are actually two IP addresses to
12. mail server Note It is okay if Email To and Email From are the same Change Account Name to username for the FROM account Emails will be sent TO if100 ilf 100 com Emails will be sent FROM ILF100 ilf 100 com Incoming Mail Server POP3 mail ilf 100 com Outgoing Mail Server SMTP mail ilf 100 com Account User Name Password Figure 7 Email Settings Email Settings If you wish to receive email notification of individual server failures internet connection restorals WAN IP changes or User Input changes you will need to make changes to this section The Email Settings section is shown in Figure 7 1 2 Enter a valid email address in the Emails will be sent TO field All outgoing emails will be sent to this email address Enter a valid email address in the Emails will be sent FROM field This is the email account that will be used to send the emails It must be an account that allows SMTP outgoing emails This will probably be an email address from your ISP or place of business Free accounts such as Yahoo do not allow SMTP access This account will also have to either allow relaying or POP3 before SMTP access this means you can t send outgoing email until you have first checked your incoming email 12 Stealth Labs ILF 100 User Manual 3 Enter the incoming POP3 mail server name for the Incoming Mail Server POP3 field This is typically something like pop3 youremailprovid
13. method is to connect the ILF 100 directly to a computer using a crossover cable See the section entitled Fallback Method Using a Crossover Cable for details on using this method Hint If you are only concerned with detecting a failed internet connection and do not need any of the email notification features you may simply plug the ILF 100 into a DHCP enabled router and connect the relay terminals to your alarm system s backup communication device No further configuration is needed DHCP Method 1 Power up the ILF 100 and observe the LEDs on the Ethernet control module very small surface mount LEDs located next to the RJ 45 connector The green LED should be steadily illuminated and the yellow LED should occasionally blink to indicate network activity 2 The green E MAIL LED located on the main circuit board should illuminate after a few seconds indicating that the sign on email was successfully sent 6 11 12 13 14 Stealth Labs ILF 100 User Manual Using a computer connected to the internet type http archives ILF100 com into the address bar of a web browser Click on the archive for today s date by clicking the View by Thread link Press lt Ctrl gt F to open the search dialog box in your web browser Type in the serial number of your ILF 100 The serial number is printed on the bar code label that is affixed to the chips on the top side of the Ethernet controller board Click the Find button
14. nabling the router s DMZ De Militarized Zone You will need to enable the DMZ and enter the ILF 100 s local LAN IP address Once enabled you will be able to access the ILF 100 configuration page from a remote computer by entering your router s public IP address in the remote computer s web browser address bar this is the WAN IP address shown at the top of the ILF 100 configuration page When the router sees the remote access request it will connect the remote computer to the ILF 100 Refer to your router s setup manual for more information on enabling the DMZ Notes e Both the LAN and WAN IP addresses must be static A static LAN IP is set in your router a static WAN IP must be set up by your ISP charges may apply With some ISPs your IP address will not change unless you make changes to your equipment such as replacing your cable or DSL modem In this case you may not have to pay extra for a static IP address it should remain the same as long as you don t change equipment e To prevent unauthorized remote access be sure to change the ILF 100 default Username and Password 11 Stealth Labs ILF 100 User Manual DIEmail Settings Instructions Change TO to the email address you wish to use to receive notices Change FROM to an email account that allows outgoing SMTP emails Change POP3 Server to the incoming mail server some servers require a POP3 read before SMTP send Change SMTP Server to the outgoing
15. nternet Email Ping HTTP fav DC Power open collector ES eee ea or individua server ES eee ea Supply 500mA V SRVR SRVR 12V SRVR SRVRINC COM NO SPARE or greater Main Terminal Block X 2 3 AUX 4 5 To cellular or other back up Optional 12V piezo buzzer wired to sound if server fails output requires external pull up resistor Optional user input Monitors high low state of a 12V output e g a security system s violation output Be sure to connect a common ground to the device being monitored Figure 1 ILF 100 Wiring Stealth Labs ILF 100 User Manual Electrical Connections see Figure 1 e Connect the ILF 100 to a 12V 500mA or greater regulated DC power supply e Connect the relay terminals to a cellular backup dialer The relay terminals are labeled NC Normally Closed COM Common and NO Normally Open Since cellular dialers vary you will need to refer to your cellular backup dialer s hookup instructions for details on the proper hookup e To use the optional User Input MNTR IN connect a common ground wire between the device being monitored and the ILF 100 Connect MNTR IN terminal to the device s output The MNTR IN can accept any DC voltage between 5V and 24V If the device uses open collector outputs a user supplied pull up resistor must be connected see lower left detail in Figure 1 See User Input in the ILF 100 Configuration section for de
16. ocal Area Connection Properties box Open a web browser and type 192 168 1 10 in the address bar Click Go or press Enter You should see a password dialog box similar to Figure 2 Enter admin for the User Name and pass for the password Both are case sensitive If you were successful you should see the ILF 100 configuration screen as shown in Figures 5 9 Proceed to the ILF 100 Configuration Web Page section of this document Local Area Connection Properties General Authentication Advanced Connect using Broadcom 570x Gigabit Integrated Co This connection uses the following items vi E Client for Microsoft Networks M 5 File and Printer Sharing for Microsoft Networks M JE QoS Packet Scheduler Internet Protocol TCPAP Description Transmission Control Protocol Intemet Protocol The default wide area network protocol that provides communication across diverse interconnected networks Show icon in notification area when connected C Notify me when this connection has limited or no connectivity Figure 3 Local Area Connection Properties Stealth Labs ILF 100 User Manual Internet Protocol TCP IP Properties General You can get IP settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for the appropriate IP settings Obtain an IP address automatically Use the following IP address IP address 192
17. of the dialog box The browser should highlight the subject line of the email that your ILF 100 just sent a Note if you powered your board up more than once you may need to refresh your browser window to see the latest email Click on the message link to view the email body Click the link after IP Addr to access your ILF 100 s configuration page Security Note this link will only work for users connected to the same LAN as your ILF 100 You should see a password dialog box similar to Figure 2 Enter admin for the User Name and pass for the password Both are case sensitive If you were successful you should see the ILF 100 configuration screen illustrated in Figures 5 9 Proceed to the ILF 100 Configuration Web Page section of this document Enter Network Password This secure Web Site at 192 168 0 114 requires you to log on Please type the User Name and Password that you use for administration User Name admiri Password M Save this password in your password list Cancel Figure 2 Network Logon Dialog Box Fallback Method Using a Crossover Cable Skip this section if you are using the DHCP Method 1 Connect the ILF 100 directly to a computer using a CATS network crossover cable this is a cable that is specially wired to allow two computers to connect directly to each other itis not the same as a normal network patch cable Ifa crossover cable is not available connect the IL
18. ssfully sent e Red The last email attempt failed PING e Green The server being tested replied to the ping test e Red The ping test failed timed out Note some servers reject all pings This is normal and can be ignored as long as the HTTP test passes HTTP e Green The server replied to an HTTP request e Red The server did not reply to an HTTP request and is not reachable 15
19. tails on enabling email notices for User Input state changes e One or more Server Fail outputs may be used to trigger visual or audible indicators for individual servers that may fail The total current drawn by these outputs must not exceed 400mA Note that these are open collector outputs which means they must be connected to the terminal of the device being switched The 12V AUX terminals may be used for powering the terminal of the device See Figure 1 for an example hookup e Connect the ILF 100 s Ethernet controller board to an open port on a router or Ethernet switch using the supplied network cable Network Configuration The ILF 100 is designed to be connected to a network router It must initially be configured using a web browser on a computer that is connected to the same router i e on the same local area network In order to connect to the ILF 100 its IP address must be known There are a couple of methods for determining the IP address The recommended method is to simply plug the ILF 100 into an existing network router that uses Dynamic Host Configuration Protocol DHCP When connected to a DHCP enabled router the ILF 100 will send an email to a mailing list maintained by Stealth Labs see the section entitled DHCP Method for details Even if a static IP address is going to be assigned to the ILF 100 the network configuration will go much smoother if DHCP is initially used The other more difficult
20. the meaning of the high or low states Keep in mind that the ILF 100 can quickly generate excessive emails which can cause them to be flagged as spam If this happens your emails may be blocked by your email provider It is not recommended that this input be connected to an output that changes states often such as a motion sensor in a high traffic area To help prevent runaway emails the ILF 100 has a built in limiter It will send no more than 3 emails every 5 minutes Additional state changes are counted and this count will be emailed once the email limiter has timed out Even with the limiter it is highly possible that your emails will be flagged as spam if your ILF 100 s user input is connected to an output that changes states multiple times within a minute USE THIS FEATURE WITH CAUTION ILF 100 Username amp Password If you have enabled remote access to the ILF 100 it is very important that you change the default username and password The password can be up to eight characters long and the password can be up to ten characters long Both fields are case sensitive Refer to Figure 9 SILEF 100 Username amp Password Change Username and Password to prevent unauthorized access of this page admin Username 8 alpha numeric characters max KKK KKK KK Password 10 alpha numeric characters max Submit Reset Figure 9 Username amp Password 14 Stealth Labs ILF 100 User Manual Saving Your Changes Once you have m
21. vice Provider If this IP address changes the ILF 100 can be configured to send an email notice This is a great feature for anyone who monitors remote internet devices security cameras etc that sometimes get new IP addresses assigned by the ISP 3 Since the ILF 100 already polls five different servers one each minute an obvious use is to monitor one or more web servers If you have an important web site and want to know if it is down the ILF 100 can trigger an open collector output and send an email when any of the monitored servers fail to respond There is a separate output for each of the five servers useful for triggering a local buzzer or remote LED indicator All five servers can be assigned by the user Any given server will be polled once every five minutes Q Who needs an internet line fault monitor A More and more people are switching over to Voice over Internet Protocol services VoIP for their telecommunications needs As this trend grows the internet connection is becoming much more critical The broadband connection is literally taking the place of the telephone line Anyone who uses a VoIP service with a monitored burglar fire alarm should have an internet line fault monitor Stealth Labs ILF 100 User Manual Q Does the ILF 100 work with DSL A The ILF 100 works equally well with cable modem or DSL broadband internet connections Dialup connections are not supported Q How does the ILF 100 detect internet l
22. w or http just type in the domain name or IP address 2 Do not include a trailing or index html etc 3 IP addresses can and do change If a server has a domain name it is always better to use that rather than the IP address The ILF 100 will automatically resolve the domain names into IP addresses assuming valid DNS servers were setup 13 Stealth Labs ILF 100 User Manual 4 If you use IP addresses be sure they resolve to external internet sites and not a computer on your local network Otherwise the ILF 100 will not be able to determine when your internet connection has failed the local IP address will probably respond even if the internet connection is bad 5 If you want to poll a server more often than once every five minutes you may list the server multiple times However it is not recommended that the same server be listed for all five servers 6 Finally select the checkboxes for any email notices you wish to receive server outages WAN IP changes and User Input state changes MNTR IN Terminal User Input The user input allows you to monitor the state of an external device such as a freezer flood alarm or a security system violation output The signal being monitored should be a voltage level in the range of 5V to 24V DC Press the Refresh button to update the input state If enabled the ILF 100 will send emails anytime this input changes from high to low or low to high It is up to you to know
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