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Chapter 5

Troubleshooting and maintenance

Chapter contents

Introduction ..........................................................................................................................................................55
Fault analysis .........................................................................................................................................................56
Periodic maintenance ............................................................................................................................................58

Calibration ......................................................................................................................................................58

Maintenance..........................................................................................................................................................58

Replacing the RAS ..........................................................................................................................................58

Exporting the current RAS configuration  ..................................................................................................58
Removing the defective RAS  .....................................................................................................................60
Installing the replacement RAS  .................................................................................................................61
Verifying the hardware installation ............................................................................................................61
Importing a saved configuration ................................................................................................................61
Completing the installation  .......................................................................................................................65

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Содержание LRA2900A

Страница 1: ...Order toll free in the U S 24 hours 7 A M Monday to midnight Friday 877 877 BBOX FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Mail order Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 Web site www blackbox com E mail info blackbox com ...

Страница 2: ... radioélectrique publié par Industrie Canada Industry Canada Notice The Canadian Department of Communications label identifies certified equipment This certification means that the equipment meets certain telecommunications network protective operational and safety require ments The Department does not guarantee the equipment will operate to the user s satisfaction Before install ing this equipmen...

Страница 3: ...l you are certain that the LRA2900A Series is not malfunctioning In accordance with FCC rules and regulation CFR 47 68 218 b 6 you must notify the telephone company prior to disconnection The following information may be required when applying to your local telephone company for leased line facilities The Universal Service Order Code USOC is RJ 48C The Facility Interface Codes FIC are 04DU9 BN 04D...

Страница 4: ...a operado 2 Las instrucciones de seguridad y operación deberán ser guardadas para referencia futura 3 Todas las advertencias en el aparato eléctrico y en sus instrucciones de operación deben ser respetadas 4 Todas las instrucciones de operación y uso deben ser seguidas 5 El aparato eléctrico no deberá ser usado cerca del agua por ejemplo cerca de la tina de baño lavabo sótano mojado o cerca de una...

Страница 5: ... de acuerdo a las recomendaciones del fabricante 15 En caso de existir una antena externa deberá ser localizada lejos de las lineas de energia 16 El cable de corriente deberá ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo 17 Cuidado debe ser tomado de tal manera que objectos liquidos no sean derramados sobre la cubierta u orificios de ventilación 18 Servicio por ...

Страница 6: ...sions 15 Security 15 Management services 15 LED display 16 Approvals 17 Software overview 18 2 Hardware installation 19 Introduction 20 Unpacking the Model LRA2900A RAS 20 RAS chassis installation 20 Cable installation 21 Installing the power cables 21 Grounding the Model LRA2900A 22 Connecting the Ethernet ports 23 Connecting the 10 100Base T Ethernet port to an Ethernet switch or hub 23 Connecti...

Страница 7: ...e line signaling for an E1 R2 line 41 Channel assignment 43 Configuring line settings and signaling for T1 44 Configuring the line settings 44 Setting the line signaling for an ISDN PRI line 44 Setting the line signaling for a robbed bit T1 line 44 Channel assignment 45 Saving your configuration 45 Completing the installation 47 4 Operation and shutdown 49 Introduction 50 Activating the RAS 50 De ...

Страница 8: ...lack Box for assistance 63 Introduction 64 Contact information 64 Warranty Service and Returned Merchandise Authorizations RMAs 64 Warranty coverage 64 Out of warranty service 64 Returns for credit 64 Return for credit policy 65 RMA numbers 65 Shipping instructions 65 ...

Страница 9: ...Contents Model LRA2900A RAS Getting Started Guide 9 ...

Страница 10: ...0 K56Flex V 34 or ISDN modem using PPP There is a LAN connected to the Ethernet port of the RAS Audience This guide is intended for the following users Operators Installers Maintenance technicians Structure This guide contains the following chapters and appendices Chapter 1 describes the RAS Chapter 2 describes installing the RAS hardware Chapter 3 describes configuring the RAS for use Chapter 4 d...

Страница 11: ...ollow the warning instructions to avoid personal injury The shock hazard symbol and CAUTION heading indicate a potential electric shock hazard Strictly fol low the instructions to avoid property damage caused by electric shock The alert symbol and CAUTION heading indicate a potential hazard Strictly follow the instructions to avoid property damage Table 1 General conventions Convention Meaning Fut...

Страница 12: ... This word means to move the mouse in such a way that the tip of the pointing arrow on the screen ends up resting at the desired loca tion Click Means to quickly press and release the left or right mouse button as instructed in the procedure Make sure you do not move the mouse pointer while clicking a mouse button Double click Means to press and release the same mouse button two times quickly Drag...

Страница 13: ...About this guide Model LRA2900A RAS Getting Started Guide 13 ...

Страница 14: ...overview 15 Hardware overview 16 WAN 16 LAN 16 Signaling 17 Modems 17 RS 232 control port 17 Power system 17 Central processing unit 17 Temperature 17 Altitude 17 Humidity 17 Physical dimensions 18 Security 18 Management services 18 LED display 19 Approvals 20 Software overview 21 ...

Страница 15: ...ware a 10 100 Ethernet port IP Routing Frame Relay PPP forwarding and four T1 E1 WAN ports The LRA2900A RAS simultaneously consolidates analog modem and digital ISDN remote access connections over PSTN digital trunks using a completely digital approach Up to four T1 E1 PRI ports provide PSTN and or PABX connectivity and terminate up to 120 analog modem or digital ISDN calls within a single chas si...

Страница 16: ...nal DC power supplies with 32 to 72 VDC are available Figure 2 Model LRA2900A RAS features WAN The RAS includes four WAN ports each of which is software selectable for T1 E1 or PRI operation These WAN ports are provided via balanced RJ 48C interfaces They also include Built in T1 E1 CSU DSU T1 1 544 Mbps with D4 or ESF framing AMI or B8ZS FCC part 68 compliant E1 2 048 Mbps with Double frame or CR...

Страница 17: ...ardware CD and DTR signals for external modem support Power system Fixed internal dual redundant load sharing power supplies Universal input voltage range 90 to 260 VAC 50 60 Hz Optional DC power supply with 36 to 72 VDC Power consumption less than 35 watts Central processing unit The LRA2900A is powered by a RISC based Intel model i80960VH processor operating at 100 MHz The CPU executes the LAN p...

Страница 18: ...ty Internal database of over 111 static users RADIUS Client supporting dual Authorization and Accounting servers Framed connections PPP PAP CHAP Unframed connections User name login and password Dual SNMP HTTP passwords for monitor and superuser access levels Management services Out of Band RS 232 configuration port for management and control Remote software upgrade via FTP to internal FLASH memor...

Страница 19: ...namic IP address pool management User configurable login prompts and banners Status reporting of all access server parameters Built in HTTP server for complete configuration and control using a standard Web browser Figure 4 Model LRA2900A front panel LEDs LED display The front panel see figure 4 includes LEDs for POWER Green if power is being applied Flashing if a power supply has failed CPU FAIL ...

Страница 20: ...e Model LRA2900A WAN STATUS Green indicates normal status at each of the four T1 E1 PRI links Red indicates an error Approvals The Model LRA2900A RAS has achieved the following approvals FCC Part 15 Class A FCC Part 15 Class B FCC Part 68 Complies with UL1950 MET Canadian cMET Canadian CS 03 EMC Directive 89 336 EEC Low Voltage Directive 73 23 EEC EN60950 ITU T CTR 4 and CTR 12 ...

Страница 21: ...n 10 second average Online help 802 3 Ethernet ARP RARP IP over Ethernet PSTN Connectivity T1 CT1 Robbed Bit with Ground Start Loop Start E M Wink E M Immediate Taiwan R1 Office Side Robbed Bit PRI Q 931 Switch Support NI1 AT T Lucent DMS T1 E1 Near and Far end Statistics User Selectable Time Slot allocation E1 CE1 with MFR2 with user configurable inter register codes PRI Switch Support NET5 CTR 4...

Страница 22: ...e power cables 24 Grounding the Model LRA2900A 25 Connecting the Ethernet ports 25 Connecting the 10 100Base T Ethernet port to an Ethernet switch or hub 26 Connecting the 10 100Base T Ethernet port to an Ethernet capable workstation 26 Connecting the EIA 561 RS 232 configuration port 26 Connecting to the T1 E1 PRI WAN ports 27 Completing the hardware installation 27 ...

Страница 23: ...ss Server RAS A DB 9 to RJ 45 EIA 561 cable 10 foot 3 meters Control port interface cable 10 foot 3 meters standard CAT 5 cable Two WAN connection cables 10 foot 3 meters each Rack mounting kit with rack ears and mounting hardware CD ROM containing product literature and the following documentation Remote Access Server Administrator s Reference Guide Model LRA2900A RAS Getting Started Guide Note P...

Страница 24: ... connector and grounding stud locations 2 Rotate the power cable retainer clip so it secures the power cable plug in the IEC 320 connector as shown in figure 6 Figure 6 Power cable retainer clip To avoid the risk of injury from electric shock the power cords connected to the IEC 320 connectors must be grounded power cords U N IT E Q U IP P E D W IT H D U A L S U P P L IE S D IS C O N N E C T B O T...

Страница 25: ...ng source Connecting the Ethernet ports The RAS has a single 10 100 Ethernet interface for connection to your LAN see figure 7 The Ethernet port will autosense the correct speed of the local LAN and automatically negotiate half or full duplex operation This section describes connecting the RAS to the Ethernet LAN via an Ethernet hub switch or workstation Figure 7 Model LRA2900A network and configu...

Страница 26: ... port in the workstation and the RAS 10 100Base T Ethernet port Figure 9 Cross over RJ 45 to RJ 45 Ethernet cable diagram Connecting the EIA 561 RS 232 configuration port Install the supplied DB 9 to RJ 45 cable between the RAS RS 232 port see figure 7 on page 25 and an open serial port on your computer If you need to assemble your own cable refer to the pinout diagram in figure 10 Figure 10 DB 9 ...

Страница 27: ...T 242A E1 120 ohm 75 ohm adapter to convert from a 75 ohm dual coax to the 120 ohm twisted pair interface the RAS uses Completing the hardware installation This section verifies that the RAS hardware is operational to the point where you can begin configuring the software settings 1 Verify that the AC power cord included with your RAS is compatible with local standards 2 Connect the male end of th...

Страница 28: ... dial in user information 39 Configuring the default gateway 41 Configuring line settings and signaling for E1 42 Configuring the line settings 43 Setting the line signaling for an E1 PRI ISDN line 43 Setting the line signaling for an E1 R2 line 44 Channel assignment 45 Configuring line settings and signaling for T1 46 Configuring the line settings 46 Setting the line signaling for an ISDN PRI lin...

Страница 29: ... to the remote access server s local LAN The IP address and subnet mask for the RAS s Ethernet port A range of IP addresses to be assigned to the dial in users IP pool The IP addresses of the domain name servers DNS The IP address of the default gateway Note Before installing the RAS you will need the following information from your local telephone company telco The line type and encoding of the T...

Страница 30: ...l 3 Set up HyperTerminal as follows Open a HyperTerminal session Enter a name for this connection Click on the Connect using pop up menu and choose the Direct to ComX option where X is the number of the COM port onto which you connected the cable in step 1 see figure 12 Figure 12 Hyperterminal properties Configure the COM port settings as shown in figure 13 ...

Страница 31: ...paring the RAS for configuration Figure 13 COM properties Figure 14 Terminal keys configuration Configure the Settings for Function arrow and ctrl keys act as to Terminal keys as shown in figure 14 4 Press RETURN to display the login window which will resemble that shown in figure 15 ...

Страница 32: ...w displays see figure 16 Figure 16 VT 100 Top Level Management window 6 Select option f Ethernet 7 Select a PrimaryIpAddress to set the Ethernet IP address 8 Type the IP address at the prompt then press RETURN 9 Use the left arrow key to return to the previous menu 10 Select b PrimaryIpMask to set the Ethernet IP subnet mask 11 Type the IP netmask at the prompt then press RETURN The RAS is now pre...

Страница 33: ...y Configuring the RAS with a Web browser This section describes configuring the following User authentication Dial in user configuration Default gateway Opening the RAS Web Administration Pages Do the following 1 Connect the RAS to the LAN 2 Start a Web browser session and go to the URL http the ras ip address where the the ras ip address is the IP address of the RAS entered in Step 8 3 When the u...

Страница 34: ...Configuring the RAS with a Web browser 34 Model LRA2900A RAS Getting Started Guide 3 Configuring the RAS for operation Figure 17 Home page ...

Страница 35: ...gure 18 The Configuration Menu contains the links to the various RAS subsystems while the configuration information pane is where you can view status and other information or make changes to the system configuration Unlike the Configuration Menu pane which looks the same no matter which subsystem page you may move to the configuration information pane contents will change as you move from one sub ...

Страница 36: ...ons buttons Hard Reset this button figure 19 causes the RAS to perform a cold restart When you select Hard Reset the RAS confirms that you want to execute this command Then the RAS will disconnect all current ses sions re initialize the interfaces and re load configuration parameters from FLASH Set Factory Default Configuration this button figure 19 clears out the configuration in FLASH and loads ...

Страница 37: ...wing sections describe two methods for configuring simple authentication to test the setup No Validation A No Validation authentication setting means that the user will be able to log in without requiring a username or password 1 Select Authentication on the Configuration Menu The Authentication window displays see figure 20 Figure 20 Authentication main window ...

Страница 38: ...e Authentication Configuration window appears see figure 21 3 Change Validation to noValidation 0 4 Click on the Submit Query button A Static User The Static User authentication setting means that the user will have to use the static username and password you create to log in 1 Select Authentication on the Configuration Menu The Authentication window displays see figure 20 on page 37 ...

Страница 39: ...3 Add the desired username and password 4 Click on the Submit Query button 5 Click on Modify The Authentication Configuration window appears see figure 21 on page 38 6 Change Validation to StaticUsers 1 7 Click on the Submit Query button Note Static Users or RADIUS are not used if validation is set to noValidation 0 Configuring dial in user information 1 Click on Dial in in the Configuration Menu ...

Страница 40: ...the first and last host in the block for example 192 49 110 151 155 The addresses can be from a subnet other than the local network the RAS is on The IP address pool can have IP addresses from multiple subnets The subnets must be separated by a semi colon for example 192 155 155 1 6 192 155 160 41 46 Note The IP address pool is limited to 39 characters 4 Click the Submit Query button under the sec...

Страница 41: ...ables users to find locations on the Internet 7 Click on Submit Query Configuring the default gateway Do the following to add the default gateway if it was not already configured through HyperTerminal 1 Select IP on the Configuration Menu then click on Routing Info see figure 26 Figure 26 IP Routing Information window 2 Type the IP address of the router forwarding packets to the Internet in the Ga...

Страница 42: ...on Menu The T1 E1 Link Activity window appears see figure 27 Figure 27 T1 E1 Link Activity window 2 Link 1 corresponds to Line 1 on the RAS This is the primary link for dial in callers Under Link 1 Click on Configuration then Modify The Line Interface Settings section of the WAN Circuit Configuration window appears see figure 28 Figure 28 WAN Circuit Configuration window Line Interface Settings se...

Страница 43: ... following options For an E1 PRI line choose linkYellowFormatDL 2 For an E1 R2 line choose linkYellowAlarmFormatBit2 1 5 Click on Submit Query At this point the WAN front panel LEDs will become active A solid green FRAME light indicator means that the RAS has synchronized with the E1 line If you have an E1 PRI ISDN line refer to Setting the line signaling for an E1 PRI ISDN line Otherwise refer to...

Страница 44: ...on Menu then click on Modify The MFR Version 2 Modify win dow appears see figure 30 Figure 30 MFR Version 2 Modify window 5 Click on the Country pop up menu If your country is not available select ituStandard 1 6 Click on Submit 7 Scroll down to the Interregister signaling section 8 Type the Called Number Total Digits in the box provided This setting tells the RAS how many digits to expect from th...

Страница 45: ...ch the information the telco provided If the information entered is not the same the RAS may not answer calls In some installations the phone company will send a special tone to alert that it is done sending the Calling Number In this case the value in the Total Dig its box does not have to match the telephone company s exactly Channel assignment This section describes configuring the RAS so it wi...

Страница 46: ...2 and select t1pulse0dB 1 4 Click on the Yellow Alarm Format pop up menu and choose linkYellowFormatBit2 1 5 Click on Submit Query At this point the WAN front panel LEDs will become active A solid green FRAME light indicator means that the RAS has synchronized with the T1 line If you have an T1 PRI ISDN line refer to Setting the line signaling for an ISDN PRI line Otherwise refer to Setting the li...

Страница 47: ...dow appears see figure 31 on page 45 3 Click on the Dialin button under the Set all channels to section Channels 25 through 30 are ignored for T1 PRI lines 4 Click on Submit Query Saving your configuration The basic configuration for the RAS is now finished Do the following to save your configuration settings 1 Select Home on the Configuration Menu The Home window appears see figure 17 on page 34 ...

Страница 48: ... the Configuration Menu to display the Import Export main window see figure 32 Figure 32 Import Export main window 5 To export the flash configuration click on the Export Flash link on the Import Export main page The access server will display text configuration information resembling that shown in figure 33 Figure 33 Typical access server flash memory configuration data ...

Страница 49: ...tion This section verifies that the RAS is fully operational 1 Temporarily disconnect the male ends of both power cords from the power outlet Wait 30 seconds then plug the power cords in again 2 Verify that the green POWER LED is lit If the POWER LED is flashing green refer to Chapter 5 Trou bleshooting and maintenance 3 Verify that the Link 1 Frame LED illuminates indicating that the RAS is synch...

Страница 50: ...e RAS 10 100 Ethernet port a green LED that indicates line speed and a yellow LED that indicates link status and activity Verify that the yellow LED is either flashing yellow meaning that packets are being received at the Ether net port or solid yellow meaning that the link is valid but no packets are being received Congratulations Your RAS is now installed For more in depth information about conf...

Страница 51: ...3 Configuring the RAS for operation Model LRA2900A RAS Getting Started Guide 51 Completing the installation ...

Страница 52: ...52 Chapter 4 Operation and shutdown Chapter contents Introduction 53 Activating the RAS 53 De activating the RAS 53 ...

Страница 53: ...ndicating that the RAS is satisfied with the quality of the T1 E1 PRI signal 4 After 10 seconds the Link A Error LED extinguishes indicating that the RAS is satisfied with the network signal and that the link is ready for use 5 There are two LEDs on the RAS 10 100 Ethernet port a green LED that indicates line speed and a yellow LED that indicates link status and activity The yellow LED is either f...

Страница 54: ...is 56 Periodic maintenance 58 Calibration 58 Maintenance 58 Replacing the RAS 58 Exporting the current RAS configuration 58 Removing the defective RAS 60 Installing the replacement RAS 61 Verifying the hardware installation 61 Importing a saved configuration 61 Completing the installation 65 ...

Страница 55: ...PU has failed As soon as possible unplug both power cables from the RAS wait 30 seconds then plug the cables back into the RAS to see if the problem disappears If the CPU FAIL LED is still lit after the RAS com pletes the power up cycle refer to Replacing the RAS on page 58 to replace the RAS ALARM LED is lit Indicates that an alarm condition has been detected SYSTEM LED is extinguished The RAS is...

Страница 56: ...raffic time then refer to Replacing the RAS on page 58 to replace the RAS Off No input power is being applied Verify that power is being supplied to the RAS CPU FAIL Front panel Red On solid The CPU has failed As soon as possible unplug both power cables from the RAS wait 30 seconds then plug the cables back into the RAS to see if the problem disap pears If the CPU FAIL LED is still lit after the ...

Страница 57: ...recommended Flashing Indicates that the RAS is detecting the network but is unable to synchronize with it Off Indicates an error WAN PORT ERROR Front panel Red On solid Indicates signal from WAN is not present Flashing Intermittent errors on the WAN port are recognized Off Indicates normal activity at each of the four T1 E1 PRI links No errors recognized 10 100 ETHERNET Rear panel Yellow On solid ...

Страница 58: ...ration The Import Export function enables you to make a backup or export copy of your access server s configura tion parameters By exporting the configurations the saved files can quickly be loaded or imported into a replacement access server greatly speeding up the installation process should an access server need replacing 1 If you already have a recently exported backup of your configuration go...

Страница 59: ...operating parameters To ensure that you export the most current parameters go to HOME then click on the Record Current Configuration button under Immediate Actions 3 To export the flash configuration click on the Export Flash link on the Import Export main page The access server will display text configuration information resembling that shown in figure 36 Figure 36 Typical access server flash mem...

Страница 60: ...file Removing the defective RAS 1 Remove the replacement RAS from its shipping container and place it near where the malfunctioning RAS is located 2 Unplug both male power cable connectors from their outlets 3 Rotate the power cord retainer clips out of the way then remove both power cables from the malfunction ing RAS 4 Disconnect and label the following cables from the malfunctioning RAS the T1 ...

Страница 61: ...cable 7 Install the power cable into their IEC 320 connectors 8 Rotate the power cable retainer clips so they secure the power cable plugs in the IEC 320 connectors Verifying the hardware installation 1 Connect the male end of the power cord to a power distribution strip or to a wall outlet 2 Verify that the green POWER LED is lit Importing a saved configuration Before the RAS can be configured th...

Страница 62: ...rTerminal session Enter a name for this connection Click on the Connect using pop up menu and choose the Direct to ComX option where X is the number of the COM port onto which you connected the cable in step 1 see figure 38 Figure 38 HyperTerminal properties Configure the COM port settings as shown in figure 39 Figure 39 COM properties ...

Страница 63: ...etting Started Guide 63 Maintenance Configure the Settings for Function arrow and ctrl keys act as to Terminal keys as shown in figure 40 Figure 40 Terminal keys configuration 4 Press RETURN to display the login window see figure 41 Figure 41 Login window ...

Страница 64: ...Type the netmask at the prompt then press RETURN The RAS is now prepared for configuration using a Web browser 13 To import a saved configuration connect your Web browser to the Administration Pages then click on Import Export under the Configuration Menu to display the Import Export main window see figure 35 on page 58 14 To import a configuration file into the RAS type the complete path and file...

Страница 65: ...er 5 Trou bleshooting and maintenance 3 Verify that the Link 1 Frame LED illuminates indicating that the RAS is synchronizing with the T1 E1 PRI signal 4 Verify that after 5 seconds the Link A Error LED begins flashing indicating that the RAS is satisfied with the quality of the T1 E1 PRI signal 5 Verify that after 10 seconds the Link A Error LED extinguishes indicating that the RAS is satisfied w...

Страница 66: ... Copyright 2002 Black Box Corporation All rights reserved Released June 28 2002 1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746 ...

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