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6. Troubleshooting

7123-A2-GB20-00

September 2001

6-3

Resetting the Unit and Restoring Communication

You can reset the unit in one of four ways:

Reset it from the Control menu.

Cycle the power.

Reset the configuration options for the COM port, or reload the factory default
settings.

Set the appropriate MIB object from NMS (see your NMS documentation).

The unit performs a self-test when it is reset.

Resetting the Unit from the Control Menu

Use this procedure to initiate a reset and power-on self-test of the unit.

Procedure

To reset the unit from the Control menu:

1. From the Main Menu screen, select Control.

2. Select Reset Device and press Enter. The

Are You Sure?

prompt appears.

3. Type y (Yes) and press Enter. The unit reinitializes itself, performing a self-test.

Resetting the Unit By Cycling the Power

Disconnecting, then reconnecting the power cord resets the unit.

Содержание 7123

Страница 1: ...7123 SNMP DSU CSU User s Guide Document No 7123 A2 GB20 00 September 2001...

Страница 2: ...cal sales representative service representative or distributor directly for any help needed For additional information concerning warranty sales service repair installation documentation training dist...

Страница 3: ...Areas 2 5 Navigating the Screens 2 6 Keyboard Keys 2 6 Function Keys 2 7 Selecting from a Menu 2 8 Switching Between Screen Areas 2 8 Selecting a Field 2 9 Entering Information 2 9 3 Configuration Ba...

Страница 4: ...onfiguring the Communication Port 3 32 Configuring the COM Port to Support an External Modem 3 36 4 Security and Logins Limiting Access 4 2 Controlling Asynchronous Terminal Access 4 2 Controlling Ext...

Страница 5: ...ators 6 2 Resetting the Unit and Restoring Communication 6 3 Resetting the Unit from the Control Menu 6 3 Resetting the Unit By Cycling the Power 6 3 Restoring Communication with an Improperly Configu...

Страница 6: ...re B 5 Traps linkUp and linkDown B 6 Traps enterprise Specific B 9 Physical Interface Alarm Defaults B 10 C Connectors Cables and Pin Assignments Front Panel C 1 Rear Panel C 1 T1 Network Interface C...

Страница 7: ...ides configuration information for the DSU CSU Chapter 4 Security and Logins Provides procedures for controlling access to the DSU CSU and setting up logins Chapter 5 Operation and Maintenance Provide...

Страница 8: ...1 800 PARADYNE 1 800 727 2396 Outside the U S A call 1 727 530 8623 Appendix C Connectors Cables and Pin Assignments Shows the rear panel tells what cables are needed and provides pin assignments for...

Страница 9: ...you should select Status from the Main Menu then select System and Test Status from the Status menu Path Provide a check point that coincides with the menu path shown at the top of the screen Always...

Страница 10: ...About This Guide viii September 2001 7123 A2 GB20 00...

Страница 11: ...nterface for configuring and managing the DSU CSU locally or remotely by Telnet session or External Modem Two Customer Specified Configuration Storage Areas Allows quick access to alternate sets of co...

Страница 12: ...Rate 9 6 Kbps 19 2 Kbps Data Port LEDs TXT RXD RTS CTS DTR TXT RXD RTS DTR Data Port Tests Data Terminal DTE Loopback and Data Channel Loopback Send V 54 and Send FT1 Loopbacks Pattern Tests DTE Loopb...

Страница 13: ...een Work Areas on page 2 5 Navigating the Screens on page 2 6 Keyboard Keys Function Keys Selecting from a Menu Switching Between Screen Areas Selecting a Field Entering Information What appears on th...

Страница 14: ...our session If security was set up and is enabled you are prompted for a login Enter your login ID and password When the user interface has been idle a session is automatically ended and the screen go...

Страница 15: ...e function keys area of the screen 2 Type e Exit and press Enter For a terminal connected to the COM port the session is ended For a modem connected to the COM port the session is ended and the modem...

Страница 16: ...U s menus and screens Select To Status View diagnostic tests interfaces and statistics You can also display LEDs and DSU CSU identity information Test Select and cancel tests for the DSU CSU s interfa...

Страница 17: ...munication Ctrl a to access these functions ESC for previous menu MainMenu Exit Save Date and Time Model Number Screen Format Description Menu Path Menu selections made to reach the current screen Dev...

Страница 18: ...e previous field Backspace Move cursor one position to the left or to the last character of the previous field Spacebar Select the next valid value for the field Delete Del Delete character that the c...

Страница 19: ...ly These keys use the following conventions Select For the screen function And press Enter to M or m MainMenu Return to the Main Menu screen E or e Exit Terminate the menu driven user interface sessio...

Страница 20: ...position 2 Press Enter The selected menu or screen appears Procedure To return to a previous screen press the Escape Esc key until you reach the desired screen Switching Between Screen Areas Use Ctrl...

Страница 21: ...t letter s of a field value or command using the unit s character matching feature Example When configuring a port s physical characteristics with the Port DTE Initiated Loopbacks configuration option...

Страница 22: ...2 User Interface and Basic Operation 2 10 September 2001 7123 A2 GB20 00...

Страница 23: ...nfiguring the Overall System on page 3 9 Configuring the Physical Interfaces on page 3 10 Configuring the Network Interface Configuring the User Data Port Assigning Time Slots Cross Connections on pag...

Страница 24: ...Display menu to display or change configuration option settings The Configuration Edit Display menu of the 7123 DSU CSU is shown below Configuration Menu main config 7123 Device Name Node A 09 09 2001...

Страница 25: ...on Current Configuration The currently active set of configuration options Customer Configuration 1 An alternate set of configuration options that the customer can set up and store for future use Cust...

Страница 26: ...Configuration 2 Press Enter to display the Configuration menu The Load Configuration From menu appears 3 Select the configuration option area from which you want to load configuration options and pres...

Страница 27: ...options that are applicable to your network and make appropriate changes to the setting s See Chapter 2 User Interface and Basic Operation for additional information 3 Repeat Steps 1 and 2 until all c...

Страница 28: ...creen appears requiring a Yes or No response If you select No the Main Menu screen reappears and the changes are not saved If you select Yes the Save Configuration To screen appears 3 Select the confi...

Страница 29: ...ear existing information place the cursor in the Clear field Tab to the Clear field and press Enter See Chapter 4 Security and Logins to set up and administer logins If the selection is Enter the Devi...

Страница 30: ...configuration option tables are included Table 3 1 General System Options Table 3 2 Network Physical Interface Options Table 3 3 Data Port Physical Interface Options Table 3 4 Node IP Options Table 3...

Страница 31: ...setting does not effect DTE commanded tests or the LMI Packet Capture Utility feature Enable All Loopback and Pattern tests have a timeout Disable Loopback and pattern tests must be manually terminate...

Страница 32: ...for transmitted and received signals on the T1 network interface D4 Uses D4 framing format NOTE This setting is not recommended by network carriers False yellow alarms may occur after traffic has bee...

Страница 33: ...LB to be controlled by the receipt of PLB Actuate and PLB Release commands from the network Display Conditions This option only appears when Line Framing Format is set to ESF Enable PLB is controlled...

Страница 34: ...d period or a 10 5 or 10 4 condition occurs Clears when fewer than 93 CRC6 errors are detected within the same time period 10E 7 Declares an EER if more than 9 CRC6 errors are detected in a 60 second...

Страница 35: ...tted Data TD Auto The port will check the clock supplied by the DCE on TXC on this port If necessary the port will automatically phase invert the clock with respect to the transmitted data Enable Phas...

Страница 36: ...e state of the DTE Ready DTR circuit on the user data port will be used to determine when valid data communication is possible with the DTE When the DTR off condition is detected an alarm is generated...

Страница 37: ...rface When a DCLB release sequence is received the DCLB is stopped Disable DCLB actuate and DCLB release sequences are ignored ANSI_FT1 DCLB actuate and DCLB release sequences compliant with the ANSI...

Страница 38: ...rface The system allows you to assign DS0s on the T1 network interface and between the user data port and network interface in order to share the T1 network You can also clear cross connection assignm...

Страница 39: ...t of the network interface Available The time slot is currently unassigned Port 1 Synchronous data Port 1 is assigned to the time slot main config tslot_assign sync_data net 7123 Device Name Node A 09...

Страница 40: ...tus of all time slots on the selected interface appears 3 Move the cursor to the next time slot that can be edited underlined Use the spacebar or type in the desired time slot to display its time slot...

Страница 41: ...d Subnet Mask Main Menu Configuration Management and Communication Node IP Table 3 4 Node IP Options 1 of 2 Node IP Address Possible Settings 001 000 000 000 223 255 255 255 Clear Default Setting Clea...

Страница 42: ...iscarded This is the recommended setting COM Specifies that the default destination is connected to the COM port Only appears when Port Use is set to Net Link see Table 3 10 Communication Port Options...

Страница 43: ...mes that are allowed to access the objects in the DSU CSU s MIB The community name must be supplied by an external SNMP manager whenever the manager tries to access an object in the MIB ASCII text ent...

Страница 44: ...s includes all objects specified as either read only or read write in the MIB RFCs Read Write Allows read and write access SNMP get and set commands Table 3 5 General SNMP Management Options 2 of 2 Ta...

Страница 45: ...in ID is set to Level 1 Otherwise access will be lost If this occurs you must reset the unit to the factory defaults and begin the configuration process again A reset is required if the Communication...

Страница 46: ...nloading files Enable Allows an FTP session between the system and an FTP client Disable Does not allow FTP sessions FTP Login Required Possible Settings Enable Disable Default Setting Disable Specifi...

Страница 47: ...m security checks Number of Managers Possible Settings 1 10 Default Setting 1 Specifies the number of SNMP management systems that are authorized to send SNMP messages to the DSU CSU An IP address mus...

Страница 48: ...ption appears for each trap manager specified in the Number of Trap Managers configuration option Read Allows read only access SNMP Get command to the MIB objects This includes all objects specified a...

Страница 49: ...oes not send trap messages Number of Trap Managers Possible Settings 1 6 Default Setting 1 Specifies the number of SNMP management systems that will receive SNMP trap messages from the DSU CSU An NMS...

Страница 50: ...t to the currently configured trap manager s Disable Does not send trap messages for these events Warm Sends trap messages for warmStart events only AuthFail Sends trap messages for authenticationFail...

Страница 51: ...trap messages on the network interface only T1s For applicable T1 DSU CSUs generates these trap messages for linkUp linkDown and enterpriseSpecific events on both the T1 network and DSX 1 interfaces P...

Страница 52: ...n the NMS is on a different subnet than the unit If you select No the COM port will be used for packets without a route Disable The port is not active When the port is disabled the following will occu...

Страница 53: ...Clear 000 000 000 000 Specifies the IP address for the port s default gateway It is used for packets that do not have a route 001 000 000 000 223 255 255 255 Shows the IP address for the port which c...

Страница 54: ...115 2 Default Setting 19 2 Specifies the rate for the COM port in kilobits per second 9 6 115 2 Kbps Sets the communication port speed Character Length Possible Settings 7 8 Default Setting 8 Specifie...

Страница 55: ...etermined by the user s access level When a login is not required the effective access level is determined by this option NOTE The effective access level is always the lowest one assigned to either th...

Страница 56: ...network communication link Port Use option is set to Net Link Display Conditions This option only appears when Port Use is set to Net Link 001 000 000 000 223 255 255 255 Shows the IP address for the...

Страница 57: ...sed Standard_out The device will send standard RIP messages to communicate routing information about other FrameSaver units in the network Standard RIP messages received on this link are ignored NOTE...

Страница 58: ...Modem Commands Possible Settings Disable AT Default Setting Disable Specifies the type of commands to be sent over the COM port Disable Commands will not be sent over the COM port AT Standard Attenti...

Страница 59: ...olling External COM Port Device Access on page 4 4 Controlling Telnet or FTP Access on page 4 4 Limiting Telnet Access Limiting FTP Access Controlling SNMP Access on page 4 7 Disabling SNMP Access Ass...

Страница 60: ...simultaneous Telnet sessions or one Telnet session and one active asynchronous terminal session or two simultaneous asynchronous terminal sessions Controlling Asynchronous Terminal Access Direct asyn...

Страница 61: ...oting 3 Save your changes To Set the configuration option Require a login Login Required to Enable NOTE User ID and password combinations must be defined See Creating a Login on page 4 10 Limit the ef...

Страница 62: ...ication External Modem Com Port 2 Enable the Dial In Access configuration option This option only appears when the External Device Commands option is set to AT 3 Save your change See Configuring the C...

Страница 63: ...3 Configuration for more information about setting Telnet configuration options To Set the configuration option Disable Telnet access Telnet Session to Disable Require a login Login Required to Enable...

Страница 64: ...ring Telnet and or FTP Session Support in Chapter 3 Configuration for more information about setting FTP configuration options To Set the configuration option Disable FTP FTP Session to Disable Requir...

Страница 65: ...gning IP addresses of those NMSs that can access the unit Disabling SNMP Access When the SNMP access is disabled the DSU CSU will not respond to SNMP messages Procedure To disable SNMP access 1 Select...

Страница 66: ...st be supplied Procedure To assign SNMP community names and access types 1 Select the General SNMP Management options Main Menu Configuration Management and Communication General SNMP Management 2 Set...

Страница 67: ...al SNMP Management in Chapter 3 Configuration for more information about SNMP management configuration options Procedure To limit SNMP access through IP addresses 1 Select the SNMP NMS Security option...

Страница 68: ...Unit and Restoring Communication in Chapter 6 Troubleshooting 3 Save your changes When Save is complete the cursor is repositioned at the Login ID field ready for another entry See Configuring SNMP NM...

Страница 69: ...1 Select Administer Logins Main Menu Control Administer Logins 2 Page through login pages records using the PgUp or PgDn function keys until the login to be deleted is displayed 3 Select Delete 4 Sav...

Страница 70: ...4 Security and Logins 4 12 September 2001 7123 A2 GB20 00...

Страница 71: ...tatus Messages which includes Self Test Results Messages Last System Reset Date and Time Health and Status Messages Test Status Messages Time Slot Assignment Status IP Routing Table on page 5 15 Perfo...

Страница 72: ...pe is supported by the SNMP SysDescr Object Hardware Revision Unit s hardware version Format nnnn nnx consists of a 4 digit number followed by two digits and one alphabetic character Current Software...

Страница 73: ...status highlighted Main Menu Status Display LEDs and Control Leads Display LEDs Control Leads Screen LEDs and control leads in an ON state are shown in inverse video Refresh the screen to view contro...

Страница 74: ...er on self test or there is a failure ALM Operational Alarm Fail Red ON DSU CSU has just been reset or an error or fault has been detected Error fault alarm conditions Alarm Indication Signal AIS CTS...

Страница 75: ...Signal AIS Excessive Error Rate EER Loss of Signal LOS Loss of Frame LOF Out of Frame OOF Yellow Alarm Signal OFF No alarm condition is present on the network interface Table 5 3 User Data Port LED L...

Страница 76: ...Level 2 or Level 3 access Notify your service provider Command Complete Configuration has been saved or all tests have been aborted No action is needed Connection Refused Seen at an FTP terminal Two...

Страница 77: ...progress when Start was selected to start another test or was active on the same or another interface when Start was selected Wait until other test ends and message clears Cancel all tests from the Te...

Страница 78: ...clears Port Inactive The port is disabled or it supports synchronous data and is configured for leased line mode when a DTE Loopback was started No action is needed Resetting Device Please Wait Yes or...

Страница 79: ...sses and logins of the users currently accessing the interface are also provided Wait and try again Contact one of the IP address user and request that they log off User Interface Idle Previously acti...

Страница 80: ...u for the 7123 DSU CSU Status Menu NOTE Status messages in the following sections are in alphabetical order main status 7123 Device Name Node A 09 09 2001 05 02 STATUS System and Test Status Time Slot...

Страница 81: ...Last System Reset Date and Time This field indicates the last time the DSU CSU was reset It appears after the Self Test Results field at the top of the System and Test Status screen Date is in mm dd...

Страница 82: ...gured threshold This condition only occurs if the network interface is configured for ESF framing This condition clears when the error rate falls below the threshold value which may take up to 15 minu...

Страница 83: ...roblem T1 facility problem Table 5 7 Test Status Messages Message What It Indicates DCLB Active Port 1 A Data Channel V 54 Loopback DCLB is active on the data for the user data port DTE External LB Ac...

Страница 84: ...top field represents the time slot of the network interface The bottom field represents the cross connect status of the associated top field network time slot Network Timeslot Assignment Status Screen...

Страница 85: ...route 000 000 000 000 225 255 255 255 for network routes FFF FFF FFF FFF for host routes 127 may appear as well It is a reserved number Gateway The Gateway IP Address for the route 001 000 000 000 223...

Страница 86: ...of the unit ICMP The route was added because an ICMP Internet Control Management Protocol redirect message was received from a router indicating a better route to the destination That is a datagram w...

Страница 87: ...and frequency or duration of a condition Main Menu Status Performance Statistics Physical and link layer statistics Layers 1 and 2 are collected on the port The following menu shows the performance s...

Страница 88: ...red using this feature True statistic counts are always maintained and they can be viewed from an SNMP NMS However since statistics can be cleared locally the statistics viewed via the menu driven use...

Страница 89: ...e current one and so on Selecting a specific time is useful when the approximate time at which a specific event occurred is known Edit any of the interval or time fields on lines 10 13 or 16 When Ente...

Страница 90: ...ts CRC and OOF events A maximum of 65 535 error events can be counted Once 65535 is reached it stays at that number until the network issues a reset command main status performance esf 7123 Device Nam...

Страница 91: ...y Errored Seconds SES Any second with 320 or more CRC errors or one or more Out Of Frame OOF events Bursty Errored Seconds BES Any second with more than one but less than 320 CRC errors Controlled Sli...

Страница 92: ...ed The line is not connected Full The Ethernet port is operating in full duplex mode 4 wire Half The Ethernet port is operating in half duplex mode 2 wire Disabled The Ethernet port has been disabled...

Страница 93: ...owing rules when doing a file transfer You must have Access Level 1 permission to use the put and get commands You cannot put a configuration file to the factory cfg or current cfg files under the sys...

Страница 94: ...listing of the directory contents in the specified directory If no directory is specified the current one is used get file1 file2 Copy a file from the remote directory of the DSU CSU to the local dire...

Страница 95: ...onitor the progress of the upgrade provided this function is supported by your equipment 4 Type cd system to change to the system directory 5 Perform a put of Rxxxxxx ocd xxxxxx being the software rel...

Страница 96: ...1 Go to the Control menu and select Select Software Release Main Menu Control Select Software Release The currently loaded software version and the new release that was just transferred are shown If...

Страница 97: ...he Unit By Cycling the Power Restoring Communication with an Improperly Configured Unit Alarms on page 6 5 Troubleshooting Device Problems on page 6 8 Tests Available on page 6 9 Test Timeout Feature...

Страница 98: ...sages in Chapter 5 Operation and Maintenance Main Menu Status System and Test Status Messages also appear at the bottom of any menu driven user interface screen Performance statistics Performance Stat...

Страница 99: ...NMS documentation The unit performs a self test when it is reset Resetting the Unit from the Control Menu Use this procedure to initiate a reset and power on self test of the unit Procedure To reset t...

Страница 100: ...mmunication on page 6 3 for other methods of resetting the unit 3 Tab to the desired prompt and type y Yes at one of the prompts If no selection is made within 30 seconds or if No n is entered the uni...

Страница 101: ...bled Check DTR from the user data port DTR Down from Port 1 Device The DTR control lead on the device connected to the specified port is off This message applies to data ports that act as DCEs Examine...

Страница 102: ...raming format for the network interface is correct Check that the network cable is securely attached at both ends Contact your network provider Primary Clock Failed A failure of the configured primary...

Страница 103: ...A yellow alarm signal is received on the network interface Network cable problem T1 facility problem Check that your network cable is securely attached at both ends Contact your network provider Table...

Страница 104: ...tact your service representative Return the unit to the factory refer to Warranty Sales Service and Training Information on page A of this document Cannot access the unit or the menu driven user inter...

Страница 105: ...mmanded from the OpenLane SLM system using its enhanced Diagnostic Troubleshooting graphical interface as well as from the menu driven user interface main test 7123 Device Name Node A 09 09 2001 06 01...

Страница 106: ...tests To abort all active tests on all interfaces see Aborting All Tests on page 6 11 Start or stop an individual test using the same procedure Procedure To start and stop a loopback or pattern test 1...

Страница 107: ...E initiated loopbacks To abort individual tests that are active see Starting and Stopping a Test on page 6 10 Procedure To abort all tests on all interfaces 1 Follow this menu selection sequence Main...

Страница 108: ...ive Select ResetMon to reset the monitor pattern error counter main test network 7123 Device Name Node A 09 09 2001 06 02 NETWORK 1 PHYSICAL TESTS Test Command Status Results Local Loopbacks Line Loop...

Страница 109: ...est at the remote node LLB determines whether the problem is with the sending device or the T1 facility Main Menu Test Network Physical Tests An LLB cannot be started when one of the following tests i...

Страница 110: ...of the device Use the PLB to determine whether the problem is with the T1 facility or in the circuitry of the remote device Main Menu Test Network Physical Tests A PLB cannot be started when one of th...

Страница 111: ...cannot be started when one of the following tests is active Any Loopback on the same interface Send FT1 Loopback or Data Channel Loopback on the synchronous data port Procedure To start and stop a re...

Страница 112: ...er defined pattern enter the desired 2 byte hexadecimal value in the field next to Send or Monitor When sending a pattern the Inject ERR function key appears Use Inject ERR if you want to inject a bit...

Страница 113: ...nal on the DTE interface back to the DTE Use this test to isolate problems on the user data port Main Menu Test Data Port Physical Tests An attached device or test equipment must generate the data to...

Страница 114: ...ure To ping the NMS at the central site 1 Verify that the central site NMS has the DSU CSU s IP address in its routing table so it can communicate with the DSU CSU 2 Verify that the central site NMS s...

Страница 115: ...r blink on and off at the same time every 0 5 seconds during execution of the test When the test is stopped the LEDs are restored to their normal condition Main Menu Test Lamp Test If the Test Timeout...

Страница 116: ...6 Troubleshooting 6 20 September 2001 7123 A2 GB20 00...

Страница 117: ...7123 A2 GB20 00 September 2001 A 1 A Menu Hierarchy Menus The following menus are a graphical representation of the 7123 SNMP DSU CSU s menu organization...

Страница 118: ...neral Management and Communication Options Node IP General SNMP Management Telnet and FTP Session SNMP NMS Security SNMP Traps Ethernet Port Communication Port External Modem Com Port Time Slot Assign...

Страница 119: ...SNMP Traps on page B 2 System Group mib 2 on page B 3 DSU CSU s sysDescr system 1 DSU CSU s sysObjectID system 2 Interfaces Group mib 2 on page B 4 Paradyne Indexes to the Interface Table ifTable Sta...

Страница 120: ...1213 and RFC 1573 RS 232 Like MIB RFC 1659 Enterprise MIB Downloading MIBs and SNMP Traps Paradyne standard and enterprise MIBs are available from the Paradyne World Wide Web site Procedure To access...

Страница 121: ...1 The following is the system description sysDescr system 1 for the NMS subsystem in the 7123 DSU CSU PARADYNE T1 DSU CSU Model 7123 S W Release MM mm bb MM Major mm minor bb build format NAM CCA num...

Страница 122: ...ds and with its special operational trap features The unit supports the following Trap warmStart Trap authenticationFailure Traps linkUp and linkDown Traps enterprise Specific These traps are listed i...

Страница 123: ...Power disruption String Unit reset Variable Binding devLastTrapString devHealthAndStatus mib Table B 3 authenticationFailure Trap Trap What It Indicates Possible Cause authenticationFailure Access to...

Страница 124: ...linkDown Variable Bindings Physical and logical sublayers are represented by the entry in the MIB II Interfaces Table Table B 4 linkUp and linkDown Traps Trap What It Indicates Possible Cause linkDown...

Страница 125: ...ional shutdown linkUp No alarms on the interface String ifString up Synchronous Data Port Supported by the media specific RS232 like MIB ifIndex RFC 1573 ifAdminStatus RFC 1573 ifOperStatus RFC 1573 d...

Страница 126: ...shutdown Due to an intentional shutdown linkUp Communication on the port is restored String ifString up Table B 5 linkUp and linkDown Variable Bindings 2 of 2 Interface Variable Bindings Possible Cau...

Страница 127: ...lockFail 1 devLastTrapString devHealthAndStatus mib Operating software has detected that the primary clock source has failed String Primary clock failed enterprisePrimary ClockFailClear 101 Operating...

Страница 128: ...Item Sample Type1 MIB Tag OID 2 Interval Event Type Rising Threshold Default Falling Threshold Default Unavailable Seconds D MIB pdn_FrExt mib E Tag devTelcoFreeRunUAS OID 1 3 6 1 4 1 1795 2 24 2 6 5...

Страница 129: ...ontrol Leads in Chapter 5 Operation and Maintenance for information about the front panel LEDs Rear Panel The following illustration shows the 7123 SNMP DSU CSU s rear panel The sections that follow p...

Страница 130: ...nterface Cable Feature No 3100 F1 510 The T1 line interface cable is used in Canada as an interface between the DSU CSU s network connector and the T1 network interface The following shows pin assignm...

Страница 131: ...32 C communication port connector Signal Direction Pin Shield GND 1 DCE Transmit Data TXD From DTE In 2 DCE Receive Data RXD To DTE Out 3 DCE Request To Send RTS From DTE In 4 DCE Clear To Send CTS To...

Страница 132: ...DSU CSU See the procedure in Configuring an External Modem on page C 5 to configure an external modem Pin 1 Pin 14 Pin 13 Pin 25 Pin 1 Pin 14 Pin 13 Pin 25 P2 Plug Chassis Ground TXD RXD RTS DSR Sign...

Страница 133: ...he COM Port connection 2 Reconnect the crossover cable to the external modem 3 Enable auto answer on your modem and configure it to use the following LSD DSR CTS RTS and DTR control leads See the tabl...

Страница 134: ...Signal ITU CT Direction 34 Pin Socket Shield 101 A Signal Ground Common 102 B Request to Send RTS 105 To DSU In C Clear to Send CTS 106 From DSU Out D Data Set Ready DSR 107 From DSU Out E Receive Li...

Страница 135: ...ble provides the pin assignments for the DSU CSU s 8 position RJ45 Ethernet port unkeyed modular jack Signal Direction Pin 10BaseT Transmit Data TD To LAN Interface Out 1 10BaseT Transmit Data TD To L...

Страница 136: ...C Connectors Cables and Pin Assignments C 8 September 2001 7123 A2 GB20 00...

Страница 137: ...ical Environment Operating temperature Storage temperature Relative humidity Shock and vibration 32 F to 122 F 0 C to 50 C 4 F to 158 F 20 C to 70 C 5 to 85 noncondensing Withstands normal shipping an...

Страница 138: ...T1 RJ48C CA81A using adapter cable D4 ESF AMI B8ZS 0 0 dB 7 5 dB 15 dB 22 5 dB Selectable AT T TR 62411 Ethernet Port Standard Data rates 8 position modular unkeyed USOC RJ45 jack ANSI IEEE Standard...

Страница 139: ...ption Model Feature Number 7123 SNMP DSU CSU 7123 SNMP DSU CSU Includes 1 Slot Housing 120 Vac Power Supply Network Cable and Installation Instructions 7123 A1 201 User Manual 7123 SNMP DSU CSU User s...

Страница 140: ...rd EIA 232 Straight Through Cable DB25 to RJ48 14 feet 4 3 meters For connection to an asynchronous terminal or PC with an 8 pin modular interface 035 0314 1431 3100 F2 540 Standard EIA 232 Straight T...

Страница 141: ...software release 5 26 Character Length 3 32 matching 2 9 Circuit Identifier 3 12 Clearing cross connection assignments 3 16 existing information 3 7 statistics 5 18 Clock Invert Transmit 3 13 setting...

Страница 142: ...EER at Network 5 12 6 5 LED 5 4 5 5 linkDown trap B 7 EIA 232C COM Port connector C 3 ending a session 2 3 entering system information 3 7 Enterprise Specific Traps 3 28 B 9 equipment list E 1 Escape...

Страница 143: ...nchronous terminal access 4 2 FTP access 4 6 SNMP access 4 7 through IP addresses 4 9 Telnet access 4 5 Line Build Out LBO 3 10 Coding Format 3 10 Framing Format 3 10 Loopback 6 13 Link Traps 3 28 Tra...

Страница 144: ...Validation 3 25 4 9 SNMP security options 3 25 Node IP Address 3 19 IP configuration options 3 19 Subnet Mask 3 19 Number of Managers 3 25 4 9 Trap Managers 3 27 O odd parity 3 32 OK LED 5 4 operatio...

Страница 145: ...2 3 starting 2 2 setting Date Time system clock 3 7 date and time 3 7 setting up auto configuration 3 8 SNMP trap managers 3 25 so router can receive RIP 3 7 SIG LED 5 5 SNMP assigning community name...

Страница 146: ...ivity 3 23 3 34 Test 6 10 trademarks A Training A transfering data 5 26 Transmit Clock Invert 3 13 Source 3 13 Trap Event Log 5 23 Number of Managers 3 27 Traps authentificationFailure B 5 Enterprise...

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