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Contents

7612-A2-GB20-00

June 1997

Configuring the DSU

Entering Device and System Information

3-1

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Device Name

3-2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

System Fields

3-2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Identity Information

3-3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Configuring the DSU

3-4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Configuration Option Areas

3-4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Accessing and Displaying Configuration Options

3-5

. . . . . . . . . . . . . . . .

Saving Configuration Options

3-6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Security

Overview

4-1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Creating a Login

4-2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Deleting a Login

4-3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ATI Access

4-3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Effective Access Level

4-4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Controlling SNMP Access

4-6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Assigning SNMP Community Names and Access Types

4-6

. . . . . . . . . .

Limiting SNMP Access through the IP Addresses
of the Managers

4-6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

IP Addressing

Selecting an IP Addressing Scheme

5-1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

IP Addressing Scheme Examples

5-2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

IMC Connection – Same Subnet

5-2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Using Routers to Route DSU Management Data

5-3

. . . . . . . . . . . . . . . . .

Assigning IP Addresses and Subnet Masks

5-4

. . . . . . . . . . . . . . . . . . . . . . . . .

Monitoring the DSU

What to Monitor

6-1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DSU LEDs

6-2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

System LEDs

6-3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Network LEDs

6-4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Port LEDs

6-5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Status Screen Commands

6-6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

System and Test Status

6-6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Self-Test Results

6-8

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Test Status Messages

6-9

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Содержание 7612

Страница 1: ...E CHANGE Please note that the area code for Paradyne Corporation in Largo Florida has changed from 813 to 727 For any Paradyne telephone number that appears in this manual with an 813 area code dial 727 instead ...

Страница 2: ...MODEL 7612 SNMP DSU WITH INTERNAL ETHERNET LAN ADAPTER USER S GUIDE Document No 7612 A2 GB20 00 June 1997 ...

Страница 3: ... the right to revise this publication and to make changes from time to time in the contents hereof without obligation of Paradyne Corporation to notify any person of such revision or changes Changes and enhancements to the product and to the information herein will be documented and issued as a new release to this manual Trademarks All products and services mentioned herein are the trademarks serv...

Страница 4: ... Management Capabilities 1 4 Management Information Base MIB Support 1 4 Rear Panel Interface Connections 1 4 2 Using the ASCII Terminal Interface Accessing the ATI 2 1 Connecting to the Terminal Port 2 1 Main Menu 2 2 Screen Format Types 2 3 What Affects Screen Displays 2 3 Screen Work Areas 2 4 Navigating the Screens 2 5 Keyboard Keys 2 5 Screen Function Keys 2 6 Switching to the Screen Function...

Страница 5: ...Effective Access Level 4 4 Controlling SNMP Access 4 6 Assigning SNMP Community Names and Access Types 4 6 Limiting SNMP Access through the IP Addresses of the Managers 4 6 5 IP Addressing Selecting an IP Addressing Scheme 5 1 IP Addressing Scheme Examples 5 2 IMC Connection Same Subnet 5 2 Using Routers to Route DSU Management Data 5 3 Assigning IP Addresses and Subnet Masks 5 4 6 Monitoring the ...

Страница 6: ...7 4 Data Port Tests 7 5 Local Loopback 7 5 511 Test Pattern for the DTE 7 5 Lamp Test 7 6 Ending an Active Test 7 6 Loopbacks 7 7 Device Reset 7 8 8 Messages and Troubleshooting Overview 8 1 Configuring SNMP Traps 8 1 Device Messages 8 2 Troubleshooting 8 3 A Configuration Option Tables Overview A 1 System Options Menu A 2 Network Interface Options Menu A 5 Data Port Options Menu A 7 Ethernet Port...

Страница 7: ...12 Transmission Group C 12 SNMP Group C 12 RS 232 Like MIB RFC 1659 C 13 Number of RS 232 Like Ports Object C 13 General Port Table Objects C 13 Asynchronous Port Table Objects C 14 Synchronous Port Table Objects C 15 Input Signal Table Objects C 16 Output Signal Table Objects C 17 Ethernet Like MIB RFC 1643 C 17 Enterprise MIB C 17 Device Configuration Variable pdn common 7 C 18 DDS Interface Spe...

Страница 8: ...inkUp and linkDown D 2 Traps enterpriseSpecific D 3 E Cables and Pin Assignments Cabling Overview E 1 Terminal Port EIA 232 Connector E 2 DTE Port V 35 Connector E 3 Standard EIA 232 D Crossover Cable E 4 Standard Null Modem Cable E 5 10BaseT Connector E 6 Modular RJ48S DDS Network Interface Connector E 6 F Technical Specifications Glossary Index ...

Страница 9: ...ccessing the user interface and navigating the screens Chapter 3 Configuring the DSU Provides procedures for establishing device and system identification and configuring the DSU Chapter 4 Security Presents procedures for creating a login setting the effective access levels and controlling SNMP access Chapter 5 IP Addressing Provides details regarding IP addresses with examples Chapter 6 Monitorin...

Страница 10: ...NMP trap compliance details Appendix E Cables and Pin Assignments Contains connector and interface details Appendix F Technical Specifications Contains physical and regulatory specifications clock rates and LADS connection distances Glossary Defines acronyms and terms used in this document Index Lists key terms acronyms concepts and sections in alphabetical order Product Related Documents Document...

Страница 11: ...rectly to an Ethernet LAN SNMP Simple Network Management Protocol Management Provides network management via an industry standard SNMP management system In band Management Channel IMC Provides remote management via SNMP or Telnet session capability over the DDS network ASCII Terminal Interface ATI Provides a menu driven VT100 compatible interface for configuring and managing the DSU locally or rem...

Страница 12: ...ignal and automatically adjusts to the detected line rate Data Port Rates Automatically adjusts to the DDS or LADS operating rates Diagnostics Provides the capability to diagnose device and network problems and perform tests including digital loopbacks pattern tests and self test Device and Test Monitoring Provides the capability of tracking and evaluating the unit s operation including health and...

Страница 13: ...he LAN interconnection 497 15274 SNMP DSU DDS Router DDS SNMP DSU Digital Data Network Router The SNMP DSU can also be used in a frame relay network 497 15275 SNMP DSU DDS Router DDS SNMP DSU Frame Relay Network Router Two SNMP DSUs can be connected back to back to act as Local Area Data Sets Table F 3 in Appendix F shows the maximum distances for LADS applications 497 15276 SNMP DSU 56 Kbps Route...

Страница 14: ...ard compatible with MIB I RS 232 Like MIB RFC 1659 Defines objects for managing RS 232 type interfaces e g V 35 RS 422 RS 423 etc and supports the synchronous data port on the DSU Ethernet like MIB RFC 1643 Defines objects for managing Ethernet like interfaces e g 10BaseT Enterprise MIB Supports configuration status statistics and tests Rear Panel Interface Connections The following illustration s...

Страница 15: ...d To automatically log out a user due to inactivity enable the Inactivity Timeout option see Terminal Port Options Table A 5 and Telnet Session Options Table A 6 The user interface is idle until activated Press Return to activate the user interface Security can limit ATI access several ways To setup security or a login ID refer to Security Chapter 4 Connecting to the Terminal Port Verify that the ...

Страница 16: ... user interface for device naming and login administration or to initiate a power up reset of the DSU Configuration Edit Display System Network Data Port Ethernet Port Terminal Port Telnet Session SNMP Load Configuration from Status System and Test Status Network Interface Status Network Performance Statistics Ethernet Port Status Management Protocol Statistics Display LEDs Identity Test Network T...

Страница 17: ...ield value or selection See Screen Work Areas on page 2 4 Display Display configuration information and results from performance and DSU specific tests Display only fields that have no underline in the field value What Affects Screen Displays What appears on the screens depends on the Current configuration How the DSU is currently configured Effective security access level An access level that is ...

Страница 19: ...one position to the left Ctrl k Select the next valid value for the field Spacebar Delete character that the cursor is on Delete Del Move cursor up one field within a column on the same screen Up Arrow or Ctrl u Move cursor down one field within a column on the same screen Down Arrow or Ctrl d Move cursor one character to the right if in edit mode Right Arrow or Ctrl f Move cursor one character to...

Страница 20: ...bar to scroll through other valid values Screen Function Keys All screen function keys located below the dotted line operate the same way upper or lowercase throughout the screens For the screen function Select And press Return to Clear C or c Clear status messages for one time events ClrStats C or c Clear statistics and refresh the screen Delete L or l Delete data Exit E or e Terminate the async ...

Страница 22: ...the Exit function key from any screen to terminate the session Procedure To end an ATI session 1 Press Ctrl a to go to the screen function key area below the dotted line 2 Save changes if you have altered your configuration 3 Select Exit and press Return The User Interface Idle screen appears ...

Страница 23: ...me Device Name Model 7612 DEVICE NAME Device Name NE815378 Clear System Name lllQJ98 001 Clear System Location Bldg A412 2nd Floor Left cabinet Clear System Contact Joe Smith 800 555 5555 pager 888 555 5555 Clear Ctrl a to access these functions ESC for previous menu MainMenu Exit Save Î ÎÎ Any printable ASCII characters are valid entries for all the Device Name screen inputs ASCII printable chara...

Страница 24: ...each field The System entries appear on the Identity display as shown in the next section The SNMP System entry fields are System Name The general SNMP system name System Location The physical location of the SNMP managed device System Contact Identification information such as contact name phone number or mailing address Press Ctrl a to switch to the screen function key area below the dotted line...

Страница 25: ...ion Bldg A412 2nd Floor Left cabinet System Contact Joe Smith 800 555 5555 pager 888 555 5555 Serial Number 1234567 Model Number 7612 A1 201 Software Revision 01 00 00 Hardware Revision 2048 80A Ethernet MAC Address 00 E0 39 00 00 00 Ctrl a to access these functions ESC for previous menu MainMenu Exit Press arrow keys to view additional information To view information on the three System entries b...

Страница 26: ...SU offers four sets of configuration option settings located in the following areas The first three sets match the Default Factory Configuration options set until modified and saved by the user If the factory default settings do not support your network s configuration customize the configuration options for your application Configuration Option Area Configuration Option Set Current Configuration ...

Страница 27: ...he four configuration option areas listed in the table in Configuration Option Areas 3 Press Return The selected configuration option set is loaded and the Configuration Edit Display menu screen appears No configuration edits are allowed when the effective access level is 2 or 3 Configuration is read only and allows viewing only of configuration option settings If the effective access level is not...

Страница 28: ... 1 Press Ctrl a to switch to the screen function key area below the dotted line 2 Select Save and press Return The Save Configuration To screen appears 3 Select one of the three configuration option areas on the screen and press Return When Save is complete Command Complete appears in the message area at the bottom of the screen NOTE If you attempt to leave the edit session without saving your cha...

Страница 29: ...ssion Access Level option of 1 2 or 3 for the Telnet Session Refer to Effective Access Levels Table 4 1 Disable the access using In Band Management Channel Rate bps option for the IMC Ethernet Port Use option Telnet Session option Refer to ATI Access on page 4 3 SNMP security is handled through Community Names with access levels and IP address validation Refer to Controlling SNMP Access on page 4 ...

Страница 30: ... 3 Select New and press Return 4 Create the login by entering the following fields On the Administer Logins screen for the Enter Login ID 1 to 10 ASCII printable characters Password 1 to 10 ASCII printable characters Access Level Level 1 Level 2 or Level 3 NOTE Assign at least one Level 1 Access Level Full access is necessary to make configuration option changes and administer logins If there is n...

Страница 31: ...et session Access to the ATI through the Terminal port can be limited Refer to Terminal Port Options Table A 5 to H Enable Login Required H Assign a Port Access Level of 1 2 or 3 The ATI can be accessed remotely through a Telnet Session via either the 10BaseT port or the IMC The DSU provides several methods for limiting access to the ATI through a Telnet session H Refer to Telnet Session Options T...

Страница 32: ...ed with an Access Level 1 and the Terminal Port is set for a Port Access Level of 2 the effective access level to the ATI is 2 Table 4 1 Effective Access Levels ATI Access to Menu Functions Effective Access Level 1 Effective Access Level 2 Effective Access Level 3 Status Full Access Full Access Read Only Test Full Access Full Access No Access Configuration Full Access Read Only Read Only Control F...

Страница 33: ...A 5 You are prompted for a login ID and password If Invalid Password appears re enter the password After three tries with an invalid password the user is logged off Contact the system administrator see Table A 5 The Main Menu screen appears if the login ID is not configured yet Select a menu option to begin your session The Terminal port and the ATI is already in use via Telnet User Interface Alre...

Страница 34: ...it SNMP General SNMP Management Refer to General SNMP Management Options Table A 7 to Enable SNMP Management Assign the SNMP community names of the SNMP Managers that are allowed to access the DSU s Management Information Base MIB Specify Read or Read Write access for each SNMP community name Limiting SNMP Access through the IP Addresses of the Managers The DSU provides an additional level of secu...

Страница 35: ...IP routing information is automatically passed between interconnected DSUs from the network side A static route to the DSU that is managed over the IMC must be set in the routing table of the NMS host or local router Each DSU s internal routing table supports a maximum of 20 routes even though a single route is all that is needed to reach every device on a subnet Any legal host address is allowed ...

Страница 36: ...hese examples is 255 255 255 000 IMC Connection Same Subnet In this example the DSU with the IMC IP address of 135 18 2 1 is connected to The NMS at the central site via the 10BaseT port A remote DSU through the proprietary IMC The IMC is enabled the rate is set to 1600 4000 or 8000 See Network Interface Options Table A 2 The Default Gateway Address is 000 000 000 000 See Ethernet Port Options Tab...

Страница 37: ...ing the management data path between the routers The NMS or Telnet host can be on the same subnet as the DSU or it can connect to the subnet the DSU is on through a router If it uses a router the DSU needs to have a gateway router defined The Default Gateway Address in the example is 135 18 4 1 See Ethernet Port Options Table A 4 Frame Relay Network 97 15309 135 18 1 2 Ethernet Port IP Address 135...

Страница 38: ...management interface 10BaseT port IP address and subnet mask Refer to Ethernet Port Options Table A 4 IMC IP address and subnet mask Refer to Network Interface Options Table A 2 The SNMP NMS Security Options screen provides options to perform security checking on the IP address of the SNMP management system attempting to communicate to the DSU Refer to SNMP NMS Security Options Table A 8 ...

Страница 39: ...ay LEDs screen or the DSU s front panel System and Test Status screen Highest priority Health and Status message on the right on the last line of all screens Network Interface Status screen Network Performance Statistics screen Ethernet Port Statistics screen Management Protocol Statistics screen SNMP traps and other information reported by your NMS via SNMP MIB objects Refer to MIB Descriptions A...

Страница 40: ... 0 3 R X D 1 0 4 R T S 1 0 5 D T R 1 0 8 7612 SNMP DSU The status of the DSU LEDs can be viewed on the Display LEDs Status screen both locally and remotely To view the LED status screen follow this menu selection sequence Main Menu Status Display LEDs main status leds Device Name Model 7612 DISPLAY LEDS SYSTEM NETWORK DTE OK ALARM TEST DM OOS OOF NS TXD RXD RTS CTS DTR ESC for previous menu MainMe...

Страница 41: ...0 5 D T R 1 0 8 Network System Port red green yellow OK ON DSU is operational OFF DSU has detected a system failure or there is no power ALARM ON DSU has detected an alarm condition locally or from the network Refer to Troubleshooting in Chapter 8 TEST ON Test in progress Test can be initiated locally remotely or from the network Includes power up self test ...

Страница 42: ... or receiving data or is in DMI condition all 1 s being received OFF DDS network interface is receiving CMI codes OOS Out of Service ON The network has notified the DSU that the remote unit is out of service Refer to Health and Status Messages Table 6 1 OOF Out of Frame ON DSU is detecting an out of frame condition Refer to Health and Status Messages Table 6 1 NS No Signal ON DDS network interface...

Страница 43: ... 1 s from the DTE Blinking User data is being transferred RXD Received Data ON Sending all 1 s to the DTE OFF Sending all 0 s to the DTE Blinking User data is being transferred RTS Request to Send ON DTE is activating a control signal to indicate readiness to transmit data CTS Clear to Send ON DSU is activating a control signal to indicate to the DTE that it can start sending data DTR Data Termina...

Страница 45: ...2 Contact network provider Out of Frame hhh mm ss1 DSU is detecting an out of frame condition associated with Receiving out of frame code from the network DSU detecting out of frame errors with 64 kbps CC data rate DSU unable to synchronize local receiver circuit with line signal 1 Verify that the line rate matches the configured rate 2 Contact network provider Excessive BPVs hhh mm ss1 Data rates...

Страница 46: ...securely attached at both ends 2 Contact your LAN support technician if problem persists DSU Operational The DSU is functioning properly and there are no status messages to display No action required Self Test Results The results of the last power up or reset self test appear in the middle column of the System and Test Status screen Table 6 2 Self Test Results Messages Message What Message Indicat...

Страница 47: ... is currently active If the network service is 56 kbps the network loopback is non latching A non latching loopback ends when the network activation codes stop If the network service is 64 kbps CC the network loopback is latching Net initiated DSU LB Active A DSU Loopback initiated by the network is currently active If the network service is 56 kbps the network loopback is non latching A non latch...

Страница 48: ...n Table 6 4 Network Interface Status Screen Contents Field Status What the Status Indicates Line Rate Kbps 56 64CC 64LADS Line rate on the network interface Autobaud indicates the DSU is trying to determine the network line 64LADS Autobaud trying to determine the network line rate If this does not change to a numeric value you may need to set the Line Rate manually No Signal the Line Rate manually...

Страница 49: ...e 6 5 Network Performance Statistics Screen Contents Label What the Field Indicates No Signal Count The number of occurrences of a No Signal condition Out of Service Count The number of occurrences of an Out of Service condition Out of Frame Count The number of occurrences of an Out of Frame condition Excessive BPV Count The number of occurrences of an Excessive Bipolar Violation BPV condition Thi...

Страница 50: ...Frames Transmitted 0000000000 Frames Received 0000000000 Errored Frames 0000000000 Excessive Collisions 0000000000 Carrier Sense Errors 0000000000 Deferred Transmissions 0000000000 ESC for previous menu MainMenu Exit Refresh ClrStats Table 6 6 describes the fields on the Ethernet Port Status screen Table 6 6 Ethernet Port Status Screen Contents 1 of 2 Label What the Field Indicates Port Use The po...

Страница 52: ...he number of datagrams successfully received at each protocol layer Format Errors The number of protocol packets that contained errors Invalid Address The number of protocol packets that contained invalid addresses Unknown Protocol The number of datagrams that were lost due to unknown protocols Dropped Due to No Route The number of datagrams that were lost due to no route All counts show the numbe...

Страница 53: ... Chapter 8 Health and status messages and network performance statistics Refer to Monitoring the DSU Chapter 6 Alarm Condition Indications The following table shows the available indicators of alarm conditions on the network interface and the User Data port Alarm Condition SNMP Trap ATI Status Screen Alarm LED Specific LED Crossed Pairs Y1 Y Y N No Signal NS Y1 Y Y Y Out of Service OOS Y1 Y Y Y Ou...

Страница 54: ...w this menu selection sequence Main Menu Test main test Device Name Node A Model 7612 TEST Network Tests Data Port Tests Lamp Test Abort All Tests ESC for previous menu MainMenu Exit Î ÎÎ Network initiated tests require the participation of your network service provider The DSU supports physical level tests independently on a per interface basis The CSU and DSU loopbacks and 511 test pattern send ...

Страница 55: ...art Inactive 0 00 00 Send V 54 Up Send Inactive Send V 54 Down Send Inactive Send 511 Start Inactive 0 00 00 Monitor 511 Stop Active 125 08 48 Errors 99999 Ctrl a to access these functions ESC for previous menu MainMenu Exit ResetMon Use the Command column to start or stop a test by pressing Enter The Result column displays the test duration since the last device reset When the Monitor 511 test is...

Страница 56: ...ital loopback of a remote unit This is the same as the DSU Loopback shown above except the test is activated remotely The DSU can send In band V 54 Up activation code to request a Remote DSU Loopback V 54 Loop 2 at the remote DSU or In band V 54 Down deactivation code to request the termination of a Remote DSU Loopback V 54 Loop 2 at the remote DSU To initiate a send sequence select the appropriat...

Страница 57: ...Mon Î Î ÎÎ ÎÎ Local Loopback Local Loopback loops the user data back to the DTE This loopback is located as closely as possible to the User Data Port DTE interface DSU CSU DTE Interface Aggregate DDS Network Port 97 15344 DTE Port Local Loopback 511 Test Pattern for the DTE This test sends and monitors a 511 test pattern over the User Data Port interface The 511 monitor expects the external equipm...

Страница 58: ...after it has been running a specified period of time Refer to System Options Table A 1 Test Timeout does not pertain to tests commanded by the Network such as the network initiated CSU and DSU Loopbacks DTE such as the DTE initiated Local Loopback On each test screen is a command column Pressing Return when the cursor is on the Stop command stops the test Use the Abort All Tests selection from the...

Страница 59: ...work Refer to Data Port Options Table A 3 Local Loopback ATI DTE via CT141 NMS Control via CT141 can be disabled Refer to Data Port Options Table A 3 Network initiated 56 kbps DSU Loopback Non latching loopback DDS Network When IMC is enabled the aggregate data stream is looped back to the network Cannot be disabled by user Network initiated 64 kbps CC DSU Loopback Latching loopback DDS Network In...

Страница 60: ... device reset H Reset Terminal Port Allows you to only reset the configuration options related to Terminal port usage No security related configuration options are changed Refer to Terminal Port Options Table A 5 for defaults H Reload Factory Defaults Allows you to reload the Default Factory Configurations resetting all of the configuration areas and control settings for security reasons This meth...

Страница 61: ...ory Configuration area are loaded in Current Customer 1 and Customer 2 configuration areas Any changes to configuration and control settings will be replaced by the factory defaults If no or n is entered or if no selection is made within 30 seconds the DSU returns to the condition or operation it was in when the system pause was initiated with the Terminal port data rate returning to its configure...

Страница 62: ...ser These traps enable the SNMP manager to gauge the state of the network Refer to Standards Compliance for SNMP Traps Appendix D for details of SNMP traps supported by the DSU To configure the DSU for SNMP traps use the SNMP Traps Options screen to Enable SNMP traps Set the number of SNMP managers that receive SNMP traps from the DSU Enter an IP address and network destination for each SNMP manag...

Страница 63: ...ork initiated loopback was in progress when another selection was made No action needed Invalid Password Login is required and an incorrect password was entered access is denied Try again Contact your system administrator to verify your password Invalid Test Already Active Test can be a CSU DSU or DTE Local Loopback or a Send 511 or Monitor 511 The test was already in progress when another selecti...

Страница 64: ... was initiated by the network Wait until the other test ends and message clears Cancel all tests from the Test screen Stop the test from the same screen the test was started from Troubleshooting This DSU is designed to provide you with many years of trouble free service If a problem occurs however refer to Table 8 2 for possible solutions Table 8 2 Troubleshooting 1 of 2 Symptom Possible Cause Sol...

Страница 65: ...e working Check the circuit breaker Verify that your site is not on an energy management program Not receiving data DSU is not responding DDS line rate speed has changed Excessive BPVs causing DSU to become stuck in Autobaud mode Excessive Loop Loss causing DSU to become stuck in Autobaud mode Verify that your subscriber loop is running at 56 or 64 CC kbps If getting Excessive BPVs verify that you...

Страница 66: ...lect Configuration on the Main Menu The configuration options are arranged into groups based upon functionality Configuration Edit Display System Network Data Port Ethernet Port Terminal Port Telnet Session SNMP Load Configuration from SNMP Options General SNMP Management SNMP NMS Security SNMP Traps MAIN MENU Status Test Configuration Control 97 15307 ...

Страница 67: ...ns Table A 9 Management support through SNMP All changes to configuration options must be saved Refer to Saving Configuration Options in Chapter 3 System Options Menu For System Options refer to Table A 1 To access the System Options screen follow this menu selection sequence Main Menu Configuration Load Configuration From Edit System Table A 1 System Options 1 of 3 Operating Mode Possible Setting...

Страница 68: ...gnal is detected LADS Timing Possible Settings Internal External Receive Default Setting Receive Determines the timing source for the unit LADS Timing option appears when Operating Mode is set to LADS Internal Timing derived from the unit s local clock Use this setting for the LADS primary timing unit that establishes the timing for both point to point units External Timing is derived from the ext...

Страница 69: ...ser initiated loopback and pattern tests end when test duration is reached Disable Tests can be terminated manually from the Network Tests screen Refer to Network Tests in Chapter 7 NOTE Tests initiated by the DTE or network are not affected by this test timeout Test Duration min Possible Settings 1 120 Default Setting 10 Number of minutes for a test to be active before automatically ending Test D...

Страница 70: ...crambling is used to suppress the possible simulation of network initiated DSU latching loopback commands by application data NOTE The local and remote units must be set the same Data Scrambling 64K CC option appears when Operating Mode is set to DDS in Table A 1 Enable Enables data scrambling Disable No data scrambling V 54 Initiated DSU Loopback Possible Settings Enable Disable Default Setting D...

Страница 71: ... used to access the unit via the IMC interface IMC Subnet Mask option does not appear when the In Band Management Channel Rate bps is disabled 000 000 000 000 255 255 255 255 Set the IMC interface subnet mask The range for each byte is 000 to 255 Clear Clears the IMC Subnet Mask and sets to all zeros When the subnet mask is all zeros the device creates a default subnet mask based on the class of I...

Страница 72: ...h the Interchange Circuits specified by the V 54 standard NOTE Refer to Loopbacks in Chapter 7 Disable No local or remote loopbacks can be initiated by the DTE Local A local loopback can be controlled by the DTE via the Interchange Circuit LL CT141 as specified by V 54 The DTE port remains in loopback as along as LL remains on Aborting the loopback from the ATI has no effect Remote A remote digita...

Страница 73: ...l RTS lead without delay regardless of alarms and tests Forced On CTS is always forced on after the unit is powered up with a successful self test Circuit Assurance With circuit assurance CTS operates the same as the Standard option except that CTS will also be deasserted when CMI codes are being received RLSD Control Possible Settings Standard Forced On Default Setting Standard Specifies the oper...

Страница 74: ...election sequence Main Menu Configuration Load Configuration From Edit Ethernet Port Table A 4 Ethernet Port Options 1 of 2 Port Use Possible Settings 802 3 Version 2 Disable Default Setting Version 2 The Ethernet port provides a choice of functions 802 3 Configures the DSU to use IEEE 802 3 format Version 2 Configures the system to use Ethernet Version 2 format Disable Data received on this port ...

Страница 75: ...teway to be used for packets that do not have a route 000 000 000 000 223 255 255 255 Enter an address The range for the first byte is 000 to 223 with the exception of 127 The range for the remaining three bytes is 000 to 255 If the address is 000 000 000 000 all packets without a route are discarded Clear Clears the Default Gateway Address and sets to all zeros Terminal Port Options For Terminal ...

Страница 76: ... Terminal port Login IDs are created with a password and access level Enable Security is enabled When ATI access is attempted through the Terminal port a screen appears that requires a Login ID and password Disable Main menu appears with no Login required NOTE Refer to Creating a Login in Chapter 4 Port Access Level Possible Settings Level 1 Level 2 Level 3 Default Setting Level 1 The Terminal por...

Страница 77: ...nitely Disconnect Time minutes Possible Settings range 1 60 Default Setting 5 Number of minutes of inactivity before the ATI session terminates automatically Timeout is based on no keyboard activity Disconnect Time minutes option appears when Inactivity Timeout is enabled 1 to 60 The ATI user session is closed after the selected number of minutes Telnet Session Options For Telnet Session Options r...

Страница 78: ...ion access is level 1 Level 2 This access level overrides a Login ID with an access level 1 If a Login ID has an access level of 3 the effective access level is 3 Level 3 This access level provides the effective access level and overrides a Login ID with an access level of 1 or 2 NOTE Refer to ATI Access in Chapter 4 for information about access levels Inactivity Timeout Possible Settings Enable D...

Страница 79: ...Disable DSU does not respond to SNMP messages Community Name 1 Possible Settings ASCII Text Clear Default Setting public Community Name of external SNMP Managers allowed access to the DSU s MIB This community name must be supplied by an external SNMP manager attempting to access a MIB object Level of access is set in the next option Name 1 Access ASCII Text Enter a maximum of 130 ASCII printable c...

Страница 80: ...jects Write access allowed to all MIB objects specified as read write in the MIB RFC SNMP NMS Security Options For SNMP NMS Security Options refer to Table A 8 To access the SNMP NMS Security Options screen follow this menu selection sequence Main Menu Configuration Load Configuration From Edit SNMP SNMP NMS Security Table A 8 SNMP NMS Security Options 1 of 2 NMS IP Validation Possible Settings En...

Страница 81: ... authenticationFailure trap is generated 000 000 000 000 223 255 255 255 Sets the NMS IP address The range for the first byte is 000 to 223 with the exception of 127 The range for the remaining three bytes is 000 to 255 Clear Clears the IP address and sets to all zeros Access Level Possible Settings Read Read Write Default Setting Read Set the access level for each IP address created in the previo...

Страница 82: ...ress is required for each manager Trap Manager n IP Address Possible Settings 000 000 000 000 223 255 255 255 Clear Default Setting 000 000 000 000 Specifies the IP address used to identify each SNMP trap manager n represents the number of the manager from 1 to 6 000 000 000 000 223 255 255 255 Enter an address for each SNMP trap manager The range for the first byte is 000 to 223 with the exceptio...

Страница 83: ... Both This option is used to determine if SNMP traps are generated for link up and link down for one of the communication interfaces Disable No linkUp or linkDown SNMP traps are generated Up A linkUp trap is generated when the DSU recognizes that one of the communication interfaces is operational Down A linkDown trap is generated when the DSU recognizes a failure in one of the communication interf...

Страница 84: ...he Main Menu The possible menu selections are displayed with the default settings and the possible settings Configuration Worksheets System Configuration Option Settings Default in Bold Operating Mode DDS LADS DDS Line Rate Kbps 56 64CC Autobaud LADS Timing Internal External Receive LADS Line Rate Kbps 56 64 Test Timeout Enable Disable Test Duration min 1 120 10 ...

Страница 85: ...prietary Data Port Configuration Option Settings Default in Bold Invert Transmit Clock Enable Disable Port DTE Initiated Loopbacks Disable Local Remote Both Bilateral Loopback Enable Disable Carrier Control by RTS Constant Switched CTS Control Standard Follow RTS Forced On Circuit Assurance RLSD Control Standard Forced On DSR Control Standard Forced On On During Test Monitor DTR Enable Disable Eth...

Страница 86: ...Monitor DTR Enable Disable Login Required Enable Disable Port Access Level Level 1 Level 2 Level 3 Inactivity Timeout Enable Disable Disconnect Time minutes range 1 60 5 Telnet Session Configuration Option Settings Default in Bold Telnet Session Enable Disable Login Required Enable Disable Session Access Level Level 1 Level 2 Level 3 Inactivity Timeout Enable Disable Disconnect Time minutes range ...

Страница 87: ...ecurity NMS IP Validation Enable Disable Number of Managers 1 2 3 4 5 6 7 8 9 10 NMS n IP Address 000 000 000 000 223 255 255 255 Access Level Read Read Write SNMP Traps SNMP Traps Enable Disable Number of Trap Managers 1 2 3 4 5 6 Trap Manager n IP Address 000 000 000 000 223 255 255 255 Trap Manager n Destination None Ethernet IMC General Traps Disable Warm AuthFail Both Enterprise Specific Trap...

Страница 88: ...erprise MIB see page C 17 MIB II RFC 1213 and RFC 1573 The unit supports the following MIB II object groups as defined in RFC 1213 and RFC 1573 System Group Objects Interfaces Group Objects Supported for the DDS network interface DTE port Terminal port 10BaseT port and the IMC as defined in RFC 1573 the Evolution of the Interfaces Group Interfaces Group Objects Extension to Interface Table ifXTabl...

Страница 89: ...ystem 2 Identifies the network management subsystem 1 3 6 1 4 1 1795 1 14 2 5 1 1 sysContact system 4 Provides the textual identification of the contact person for this managed unit 1 ASCII character string as set by the user sysName system 5 Provides an administratively assigned name for this managed unit 1 ASCII character string as set by the user sysLocation system 6 Provides the physical locat...

Страница 90: ...ell When an unsupported index is entered e g 1 and 5 noSuchName is returned Indexes and values 1 reserved 2 Terminal port 3 Ethernet port 4 DDS network interface 5 reserved 6 User Data DTE port 7 In band Management Channel ifDescr ifEntry 2 Supplies text for each Interface Terminal Ethernet DDS Network User Data Port In band Management Channel Text Strings for each interface Terminal Port PARADYNE...

Страница 91: ...ntifies the largest datagram that can be sent or received on an interface Ethernet port or IMC Number of octets ifSpeed ifEntry 5 Provides the current bandwidth for the interface in bits per second Ethernet Port The data rate for the port Terminal port Configured data rate for the port DDS Line rate of 56 000 or 64 000 bps reflecting the line rate detected by the unit User data DTE port Current da...

Страница 92: ...e based on the current state of the physical and link layer protocols up 1 Operational and no active test on the DDS network interface down 2 Not operational or disabled testing 3 Test active on DDS network interface ifLastChange ifEntry 9 Indicates the amount of time the interface has been up and running Contains the value of sysUpTime object at the time the interface entered its current operatio...

Страница 93: ...face Table ifXTable Object Description Setting Contents ifName ifXEntry 1 Provides name of the interface Interface text strings Ethernet Port Terminal Port DDS Network User Data Port In band Management Channel ifLinkUpDown TrapEnable ifXEntry 14 Indicates whether the link is up or down or enterprise specific traps should be generated Only supports DDS network and User data port SNMP Traps must be ...

Страница 94: ...l is enabled this object for the DDS network interface is set to the ifIndex of the In band Management Channel All other ifStackHigherLayer objects will have a value of zero ifStackLower Layer ifStackEntry2 Provides the index that corresponds to the lower sublevel specified by ifStackHigherLayer When the In band Management Channel is enabled this object for the In band Management Channel is set to...

Страница 95: ...n increments the previous value The value is then checked after the test has completed ifTestStatus ifTestEntry2 Indicates the test status of the interface Set to inUse 2 by an SNMP Manager before a test is started Set to notInUse 1 by the unit when the test has completed Also set to notInUse 1 by the unit if the SNMP Manager fails to set an ifTestType within 5 minutes ifTestType ifTestEntry 3 A c...

Страница 96: ...ode 2 A 511 monitor pattern test has synchronized on the pattern and has not detected any bit errors inSyncWithBitErrors ifTestCode 3 A 511 monitor pattern test has synchronized on the pattern and has detected bit errors notInSync ifTestCode 4 A 511 monitor test pattern has not synchronized on the requested pattern ifTestOwner ifTestEntry 6 Used by an SNMP Manager to identify the current owner of ...

Страница 97: ... device If the same IP address is configured for multiple interfaces or for default IP addresses the ipAddrTable will not display all of the interfaces that support a particular IP address ipAdEntIfIndex ipAddrEntry 2 If this object has a greater value than the ifNumber then it refers to a proprietary interface not currently implemented by the MIB II Interface Group None ipRouteTable ip21 Supporte...

Страница 98: ...efaults to 1 hop ipRouteType Defaults to indirect ipRouteMask Defaults to what is specified in the MIB description Objects that are not used by this unit ipRouteMetric2 ipRouteMetric3 ipRoutemetric4 ipRoutemetric5 Default to 1 ipRouteNextHop Defaults to 0 0 0 0 ipRouteNextHop Defaults to 0 0 0 0 Do not specify the following read only objects in the Set PDU used to add a route ipRouteProto Set to n...

Страница 99: ...t standard MIB definitions rather than within MIB II Table C 7 shows how Transmission Group objects are supported Table C 7 Transmission Group Objects Object Description dot3 transmission 7 Supported on the Ethernet port Defined by the Ethernet like MIB RFC 1643 rs232 transmission 33 Supported on the User Data port and Terminal port Defined by the RS 232 like MIB RFC 1659 enterprise transmission 2...

Страница 100: ...le Objects Not supported for the Terminal port Number of RS 232 Like Ports Object Supported as documented in the RFC General Port Table Objects The General Port Table Objects contains configuration options for the RS 232 Like interfaces Clarification for objects contained in Table C 8 as it applies to the unit is provided below Table C 8 General Port Table Objects 1 of 2 Object Description Setting...

Страница 101: ... 9600 14 400 19 200 28 800 38 400 1 The User Data port speed is a read only value that can only differ from the DDS network speed if the In band Management Channel is enabled The following are not supported rs232PortInFlowType rs232PortEntry 7 rs232PortOutFlowType rs232PortEntry 8 Asynchronous Port Table Objects The Asynchronous Port Table contains an entry for the Management port when the port is...

Страница 102: ...atistics only and are not supported Clarification for objects contained in this table as it applies to the unit is provided in Table C 10 Table C 10 Synchronous Port Table Objects 1 of 2 Object Description Setting Contents rs232SyncPort Role rs232Sync PortEntry 8 Specifies whether this device interface is a DTE or DCE Supports only the following value dce 2 The port acts as a DCE rs232SyncPort Enc...

Страница 103: ...yncPortMinFlags rs232SyncPortEntry 14 Input Signal Table Objects The Input Signal Table contains entries for the input signals that can be detected by the unit for the synchronous user data port Clarification for objects contained in this table as it applies to the unit is provided in Table C 11 Table C 11 Input Signal Table Objects Object Description Setting Contents rs232InSigName rs232InSigEntr...

Страница 104: ... state Supports only the following values on 2 The signal is asserted off 3 The signal is deasserted rs232OutSigChanges rs232OutSigEntry 4 Indicates the number of times that a signal has changed from on to off or off to on Increments the object each time that the signal is sampled every 100 ms and the signal state is different from the previous state Ethernet Like MIB RFC 1643 The unit supports th...

Страница 105: ...2 to active 6 Copy from customer 2 area to customer 1 area customer2 to customer1 7 Copy from factory area to active area There is only one factory area for the unit factory1 to active 8 Copy from factory area to customer 1 area factory1 to customer1 9 Copy from factory area to customer 2 area factory1 to customer2 10 DDS Interface Specific Definitions pdn dds pdn interfaces 2 The DDS Interface Sp...

Страница 106: ... reinitialized itself The trap is sent after the unit resets itself and stabilizes There are no variable bindings Reset command Power disruption Trap authentificationFailure SNMP Trap Description Possible Cause authenticationFailure Failed attempts to access the unit There are no variable bindings SNMP message not properly authenticated Three unsuccessful attempts were made to enter a correct logi...

Страница 107: ...C 1573 ifType RFC 1573 ddsStatus DDS Enterprise MIB linkDown One or more alarm conditions are active on the interface Alarm conditions include No Signal Out of Service Out of Frame Crossed Pair Detected In band Framing Error Excessive Bipolar Violations BPVs linkUp No alarms on the interface Synchronous User Data Port Supported by the media specific RS232 Like MIB ifIndex RFC 1573 ifAdminStatus RF...

Страница 108: ... of the unit s hardware components enterpriseDeviceFail 3 An internal device failure There are no variable bindings Operating software has detected an internal device failure enterpriseTestStart 5 A test is running At least one test has been started on an interface enterpriseConfigChange 6 The configuration changed via the user interface or an SNMP manager The trap is sent after 60 seconds have el...

Страница 109: ...sical Sublayer DDS network ifIndex RFC 1573 ifAdminStatus RFC 1573 ifOperStatus RFC 1573 ifType RFC 1573 ddsTestType DDS Enterprise MIB enterpriseTestStart Any one of the following tests is active on the interface DSU Loopback CSU Loopback Send 511 pattern Monitor 511 pattern enterpriseTestStop No longer has any tests running on the interface Synchronous User Data Ports ifIndex RFC 1573 ifAdminSta...

Страница 110: ...s E Cabling Overview The following sections provide pin assignments for the Terminal Port EIA 232 Connector DTE Port V 35 Connector Standard EIA 232 D Crossover Cable Standard Null Modem Cable 10BaseT Connector Modular RJ48S DDS Network Interface Connector ...

Страница 111: ...ects to a PC or VT100 compatible terminal Signal Direction Pin Transmit Data TXD To DSU In 2 Received Data RXD From DSU Out 3 Request to Send RTS To DSU In 4 Clear to Send CTS From DSU Out 5 Data Set Ready DSR From DSU Out 6 Signal Ground SG 7 Carrier Detect CD From DSU Out 8 Data Terminal Ready DTR To DSU In 20 ...

Страница 112: ...t Ready DSR 107 From DSU Out E Received Line Signal Detector RLSD or LSD 109 From DSU Out F Data Terminal Ready DTR 108 1 2 To DSU In H Remote Loopback RL 140 To DSU In N Local Loopback LL 141 To DSU In L Transmitted Data TXD 103 To DSU In P A S B Received Data RXD 104 From DSU Out R A T B Transmitter Signal Element Timing DTE Source XTXC or TT 113 To DSU In U A W B Receiver Signal Element Timing ...

Страница 113: ...used for synchronous or asynchronous connections Pin 1 Pin 14 Pin 13 Pin 25 Pin 1 Pin 14 Pin 13 Pin 25 P2 Plug Chassis Ground TXD RXD RTS DSR Signal Ground CD RLSD RXC DTR XTXC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Pin 97 15180 01 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 P1 Chassis Ground TXD RXD RTS DSR Signal Ground CD RLSD RXC DTR XTXC Pin P2...

Страница 114: ...able is used for asynchronous connections Pin 1 Pin 14 Pin 13 Pin 25 Pin 1 Pin 14 Pin 13 Pin 25 P2 Plug Chassis Ground TXD RXD RTS CTS DTR Signal Ground CD RLSD DSR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Pin 97 15482 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 P1 Chassis Ground TXD RXD RTS CTS DTR Signal Ground CD RLSD DSR Pin P2 P1 Plug ...

Страница 115: ...se Pin Transmitted Data 1 Transmitted Data 2 Received Data 3 NC 4 NC 5 Received Data 6 NC 7 NC 8 NC Not connected unused Modular RJ48S DDS Network Interface Connector Network access is via a modular cable with an RJ48S keyed plug connector on each end Use Circuit Pin Transmitted data to the local loop R 1 Transmitted data to the local loop T 2 NC 3 NC 4 NC 5 NC 6 Received data from the local loop ...

Страница 116: ...als FCC Part 15 FCC Part 68 Safety Certifications Industry Canada CS 03 Class A digital device Refer to the equipment s label for Registration Number Refer to the equipment s label for approvals on product Refer to the equipment s label for Certification Number Interface and Connector 25 pin DB25 connector 34 pin MS34 connector 8 pin modular jack EIA 232 ITU V 24 ISO 2110 for Terminal port ITU V 3...

Страница 117: ...bps Defaults 9 6 kbps with 8 bits per character 1 stop bit and no parity Network Compatibility ANSI T1 410 1992 and AT T Technical Reference 62310 1993 56 kbps and 64 kbps meeting desired loop loss IP Connectivity Up to 20 routes NMS Compatibility SNMP Network Manager MIB II Object Groups Supported ICMP group Interfaces group DDS network DTE Data port Terminal port Ethernet port IP group SNMP grou...

Страница 118: ...s 64 000 bps 1 600 bps 54 400 bps 62 400 bps 4 000 bps 52 000 bps 60 000 bps 8 000 bps 48 000 bps 56 000 bps Table F 3 Model 7612 DSU LADS Connection Distances Wire Diameter AWG Data Rate kbps 19 Gauge 0359 or 9122 mm 22 Gauge 0253 or 643 mm 24 Gauge 0201 or 511 mm 26 Gauge 0159 or 404 mm 56 10 84 mi 17 45 km 6 4 mi 10 3 km 4 50 mi 7 24 km 3 34 mi 5 37 km 64 10 69 mi 17 2 km 6 06 mi 9 76 km 4 47 m...

Страница 119: ...rcuit Associated with Pin 8 on an EIA 232 interface An independent data path Control Mode Idle A control signal sent over the DDS line to indicate that no data is being sent Communications port A computer s serial communications port used to transmit to and receive data Device software that sets specific operating parameters for the DSU Customer Premises Equipment Terminating equipment supplied by...

Страница 120: ...otocol Internet protocol that allows for the generation of error messages tests packets and information messages related to IP In band Management Channel A proprietary TDM channel used for IP connectivity A shared boundary between functional units Internet Protocol The TCP IP standard protocol that defines the unit of information passed across an Internet and provides the basis for packet delivery...

Страница 121: ...hing loopback can only be initiated or terminated by the 56 kbps network service provider No Signal A network reported condition A specific item within the Management Information Base MIB Out Of Frame An error condition in which frame synchronization bits are in error A network reported condition Out of Service A digital network trouble signal Packet Assembler Disassembler A data network circuit w...

Страница 122: ...networks An integer used with the IP address of the host to determine which bits in the host address are used in the subnet address Data transmission that is synchronized by timing signals Characters are sent at a fixed rate Transmission Control Protocol Internet Protocol Refer to IP Time Division Multiplexer A device that enables the simultaneous transmission of multiple independent data streams ...

Страница 123: ...ock rates F 3 clocking inversion A 7 ClrStats command 6 6 community names for SNMP 4 6 configuration menu 2 2 option areas 3 4 option tables A 1 option worksheets B 1 configuration examples 1 3 connectors 10BaseT port E 6 DTE port V 35 E 3 Network port E 6 rear panel E 1 Terminal port E 2 control menu 2 2 create login ID 4 2 crossover EIA 232 cable E 4 CTS clear to send LED 6 5 control A 8 custome...

Страница 124: ... 1 1 G glossary GL 1 GL 4 H health and status messages 6 6 I identity 3 1 IMC access 4 1 IP address A 6 rate A 5 remote management 1 1 Routing Information Protocol A 6 subnet connection 5 2 subnet mask A 6 Inactivity Timeout A 12 installing rear connectors See Startup Instructions interface connections 1 4 network status 6 10 invert transmit clock A 7 IP address Ethernet port A 9 IMC A 6 NMS A 16 ...

Страница 125: ...Table C 9 ICMP Group C 12 Interface Stack Group C 7 Interface Test Table C 8 Interfaces Group C 3 IP Group C 10 SNMP Group C 12 SNMP traps D 2 System Group C 2 TCP Group C 12 Transmission Group C 12 UDP Group C 12 Monitor DTR A 11 N navigating the screens 2 5 network interface cable E 6 interface LEDs 6 4 interface options A 5 interface status 6 10 loopbacks 7 3 performance statistics 6 11 tests 7...

Страница 126: ...8 session Telnet access 4 1 SNMP Community Name A 14 number of managers A 15 number of trap managers A 17 security A 15 system entries 3 1 trap types generated A 18 traps 8 1 A 17 D 1 SNMP management general 1 4 limiting access 4 6 options A 14 startup ATI 2 1 startup instructions See Startup Instructions statistics Management Protocol 6 13 Network Performance 6 11 status DSU 6 6 menu 2 2 network ...

Страница 127: ...n A 17 IP address A 17 number A 17 traps SNMP 8 1 D 1 troubleshooting 8 3 TXD transmitted data LED 6 5 U user interface access 2 1 async terminal 2 1 V V 35 connector E 3 V 54 sequences 7 4 VT100 compatible terminal See ATI W worksheets option configuration B 1 ...

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