1. Manuals
  2. Brands
  3. Paradyne Manuals
  4. Other
  5. 3350
  6. User manual

Paradyne 3350 User Manual

Zhone acculink 3350 ntu: user guide
Hide thumbs Also See for 3350:
Table of Contents

Advertisement

Quick Links

Download this manual
You have accessed an older version of a
Paradyne product document.
Paradyne is no longer a subsidiary of
AT&T. Any reference to AT&T Paradyne
is amended to read Paradyne
Corporation.
AREA CODE 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.

Advertisement

Table of Contents
loading

Related Manuals for Paradyne 3350

Summary of Contents for Paradyne 3350

  • Page 1 You have accessed an older version of a Paradyne product document. Paradyne is no longer a subsidiary of AT&T. Any reference to AT&T Paradyne is amended to read Paradyne Corporation. AREA CODE CHANGE Please note that the area code for Paradyne Corporation in Largo, Florida has changed from 813 to 727.
  • Page 2 ACCULINK 3350 E1 Network Termination Unit Operator’s Guide Document No. 3350-A2-GB20-10 P a r a dyn e Printed on recycled paper June 1996...
  • Page 3 ACCULINK 3350 E1 NTU ACCULINK 3350 E1 Network Termination Unit Operator’s Guide 3350-A2-GB20-10 2nd Edition (June 1996) Changes and enhancements to the product and to the information herein will be documented and issued as a new release. Trademarks All products and services mentioned herein are the trademarks, service marks, registered trademarks or registered service marks of their respective owners.
  • Page 4 Dispose of used batteries according to the battery manufacturer’s instructions. Attention: Il y a danger d’explosion s’il y a remplacement incorrect de la batterie. Remplacer uniquement avec une batterie du même type. Mettre au rebut les batteries usagées conformément aux instructions du fabricant. 3350-A2-GB20-10 June 1996 Important Instructions...
  • Page 5 ACCULINK 3350 E1 NTU In addition, if the equipment is to be used with telecommunications circuits, take the following precautions: – Never install telephone wiring during a lightning storm. – Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations.
  • Page 6 When packaging the equipment, include a purchase order indicating the repair cost quoted by the Repair Center. Send the equipment to the Repair Center as previously described. Make sure the RMA number is in a visible location on the outside of the package. 3350-A2-GB20-10 International AT&T Paradyne Corporation C/O Sack &...

  • Page 7: Table Of Contents

    Preface Introduction Installation Operation 3350-A2-GB20-10 Objectives and Reader Assumptions ......Related Document .........
  • Page 8 ACCULINK 3350 E1 NTU Maintenance Appendices Glossary Index Overview ..........

  • Page 9: Preface

    Objectives and Reader Assumptions This operator’s guide contains installation, operation, and maintenance information for the ACCULINK 3350 E1 Network Termination Unit (NTU). It is assumed that you are familiar with the operation of digital data communication equipment and NTUs in particular.

  • Page 10: Introduction

    2.048 Mbps (E1) data that is compatible with the signal format of ITU Recommendation G.703 and the frame structure of ITU Recommendation G.704. The Model 3350 NTU is available in a compact standalone case that can be mounted on a desktop or on a shelf.
  • Page 11 ACCULINK 3350 E1 NTU G.703 DTE Interface The G.703 DTE interface is compatible with the signal format of ITU Recommendation G.703 and the frame structure of ITU Recommendation G.704. This interface allows DTEs/PBXs to share the network with other high-speed equipment.

  • Page 12: Physical Description

    Physical Description The Model 3350 NTU is available in a compact standalone case. Front Panel The E1 NTU front panel (Figure 1-1) contains, One 2-line, 16-alphanumeric-character-per-line liquid crystal display (LCD) One 7-button keypad (three Function and four directional keys) Twelve light-emitting diodes (LEDs)
  • Page 13 PORT 1 OPEN EARTH PORT G.703 Figure 1-2. Model 3350 Rear Panel Table 1-1 Function Supplies power to the E1 NTU by providing an attachment for the ac power module or the optional dc power cable (+24 or – 48 Vdc).

  • Page 14: Installation

    Figure 2-1. Access Application Example 3350-A2-GB20-10 Installation ..........

  • Page 15: Snmp Connection Examples

    ACCULINK 3350 E1 NTU SNMP Connection Examples The E1 NTU can be connected to an SNMP management system in a number of ways. Some examples include: Directly connecting the COM port to the SNMP manager (Figure 2-2). Connecting the COM port to a network device (e.g., a router) for SNMP management (Figure 2-3).
  • Page 16 Figure 2-5. LAN Adapter and Daisy Chaining for SNMP Support NETWORK HDSL P a r a dyn e SNMP Figure 2-6. Remote SNMP Management through FDL 3350-A2-GB20-10 HDSL P a r a dyn e P a r a dyn e SNMP ADAPTER...

  • Page 17: Important Instructions

    ACCULINK 3350 E1 NTU Important Instructions Read and follow all warning notices and instructions marked on the E1 NTU or included in this guide. For a complete listing of the safety instructions, see the Important Safety Instructions section at the beginning of this guide.
  • Page 18 NTU POWER PLUG Figure 2-8. – 48 Vdc Single Source Power Supply Pinouts 3350-A2-GB20-10 2. Connect the green wire to a suitable earth ground. 3. Connect the orange and blue wires to the – 48 Vdc input source.
  • Page 19 ACCULINK 3350 E1 NTU Installing the Redundant – 48 Vdc Power Supply To install the E1 NTU using a redundant – 48 Vdc power supply, refer to Figure 2-9 and use the following procedure. To install the redundant – 48 Vdc power supply, 1.

  • Page 20: Cabling Examples

    NOTE: 3100 SERIES FRONT PANEL EMULATION SOFTWARE, 3100-C1-010 3350-A2-GB20-10 The 120 / 75 switch selects either the 120 ohm balanced G.703 interface or the 75 ohm unbalanced G.703 interface. The RX SHIELD switch selects either an “open” or “earth” shield connection for the 75 ohm RX interface.

  • Page 21: Power-Up Self-Test

    ACCULINK 3350 E1 NTU Power-Up Self-Test After you connect the E1 NTU to a power source, the unit performs the power-up self-test to ensure that it is in good working order. The E1 NTU performs this test on itself upon power-up or after a device reset, unless it has been disabled by the Self-Test configuration option (see Appendix C, Configuration Options).

  • Page 22: Operation

    ..............3350-A2-GB20-10 Operation .

  • Page 23: Overview

    ACCULINK 3350 E1 NTU Overview This chapter contains information for operating your E1 NTU. It includes a description of the front panel and sample procedures for configuring the E1 NTU. P a r a dyn e HDSL LINE LINE TEST JACKS...

  • Page 24: Lcd

    Function keys (F1, F2, F3); make your choice by pressing the corresponding Function key. 3350-A2-GB20-10 Keypad The 7-button keypad (Figure 3-3) enables you to navigate through the menu tree and select choices presented on the second line of the LCD.

  • Page 25: Test Jacks

    ACCULINK 3350 E1 NTU The scroll keys ( ) serve one of two functions, depending on whether a menu screen or a data entry screen appears on the front panel. For data entry screens, the key scrolls one character to the left while the key scrolls one character to the right.
  • Page 26 ALRM Yellow Indicates whether an alarm condition exists on the received network signal. ON : OFF : 3350-A2-GB20-10 Table 3-1 System LEDs Meaning The E1 NTU is operational and has power. The E1 NTU is performing a power-up self-test or a system failure has occurred.
  • Page 27 ACCULINK 3350 E1 NTU Name Color Green Monitors the signal being received from the G.703 DTE port. ON : OFF : Yellow Monitors Out Of Frame (OOF) conditions on the received G.703 DTE signal. ON : OFF : ALRM Yellow Indicates whether an alarm condition exists on the received G.703 DTE signal.

  • Page 28: Displaying Unit Identity

    2. From the Status screen, press the ID selection appears on the screen. Status: HDSL DevHS STest 3. Select ID. Status: TStat 3350-A2-GB20-10 4. The following screens appear in the order listed each time you press the key until the June 1996 Operation key.
  • Page 29 ACCULINK 3350 E1 NTU To change the customer identification (CID), 1. From the top-level menu, press the the Ctrl selection appears on the screen. E1 HDSL NTU Stat Test Cnfig 2. Select Ctrl. E1 HDSL NTU Test Cnfig Ctrl 3. From the Control screen, press the the CID selection appears on the screen.

  • Page 30: Displaying Led Conditions

    A vertical bar at the left of the LED name indicates the condition is ON, while an underscore indicates the condition is Off. 3350-A2-GB20-10 4. Use the onto the screen. Changing Configuration...

  • Page 31: Displaying/Editing Configuration Options

    ACCULINK 3350 E1 NTU The configuration options are divided into functional groups. Appendix C contains a list of the configuration options and defaults. These groups are: DTE (G.703) Interface Network Interface User Interface Alarm General SNMP SNMP Trap Use the Configuration (Cnfig) branch of the front panel menu tree to display or change E1 NTU configuration options (see Appendix A, Front Panel Menu).

  • Page 32: Configuring The E1 Ntu For Snmp Management

    Customer 1, or Customer 2 area. Use the scroll keys, if necessary. Save Edit to: Activ Cust1 3350-A2-GB20-10 Configuring the E1 NTU for SNMP Management To configure the E1 NTU for management by an SNMP management system you must, Select and configure the port that provides the link to the SNMP management system.

  • Page 33: Setting The Ip Address

    ACCULINK 3350 E1 NTU To select the COM port as the management link, 1. From the top-level menu screen, select Cnfig. 2. Select the configuration option set to be copied into the Edit area by using the appropriate Function key. Use the scroll keys, if necessary.

  • Page 34: Selecting The Link Layer Protocol

    0 to a 1. Continue in this manner to change the other digits. 000.000.000.000 Down Save 3350-A2-GB20-10 10. When you are through changing the IP address, you must press F3 (Save) to save the value. Otherwise, the original value will be retained. Selecting the Link Layer Protocol...

  • Page 35: Specifying The Community Name(S) And Access Type(S)

    ACCULINK 3350 E1 NTU To select the link layer protocol, 1. From the top-level menu screen, select Cnfig. 2. Select the configuration option set to be copied into the Edit area by using the appropriate Function key. Use the scroll keys, if necessary.
  • Page 36 ASCII code), and the End of Line symbol ( ). The erases all characters to the right of the cursor. 3350-A2-GB20-10 10. When you are through changing the community name, you must press F3 (Save) to save the value. Otherwise, the original value will be retained.

  • Page 37: Configuring Snmp Traps

    ACCULINK 3350 E1 NTU Configuring SNMP Traps A trap is an unsolicited message that is sent from the E1 NTU to an SNMP manager when the device detects certain, pre-specified conditions. These traps enable the SNMP manager to monitor the state of the network.

  • Page 38: Configuring A Destination For Snmp Traps

    Function key. Use the scroll keys, if necessary. 3. Select Edit. 4. From the Edit screen, press the SNMP selection appears on the screen. 3350-A2-GB20-10 5. Select SNMP. 6. From the SNMP Config screen, select Trap. 7. Press F1 (Next) until the Trapn IP Address configuration option appears.

  • Page 39: Acquiring/Releasing The User Interface

    ACCULINK 3350 E1 NTU Acquiring/Releasing the User Interface You can access the user interface from either the front panel or the COM port. The E1 NTU allows only one user interface to be active at a time. The front panel is the default user interface at power-up or after a reset.

  • Page 40: Resetting The E1 Ntu

    3. From the Control screen, press the the Reset selection appears on the screen. Control: ClrReg 3350-A2-GB20-10 4. Select Reset. 5. From the Device Reset screen, press F1 to initiate a reset of the E1 NTU (the power-up sequence screen appears). Press F2 instead to return to the Control screen without initiating a reset.
  • Page 41 ACCULINK 3350 E1 NTU This E1 NTU User Interface Access Security section of this document is not available for viewing online due to its security-sensitive contents. To order this manual, please call 1-800-545-2354, extension 2222. International customers, call your local AT&T Paradyne Sales representative.

  • Page 42: Maintenance

    These features ensure that your E1 NTU is giving you optimum performance in your network. 3350-A2-GB20-10 Maintenance ............

  • Page 43: Self-Test Health

    ACCULINK 3350 E1 NTU Self-Test Health Use the Self-Test Health command to display the results of the power-up self-test. Possible messages are listed in Table 4-1. See Chapter 2, Installation, for more information about power-up self-test. To display power-up self-test results, 1.

  • Page 44: Device Health And Status

    10 or greater for 4 to 5 seconds). The condition is cleared when the error rate falls below the threshold value (10 3350-A2-GB20-10 Alarm/status messages appear on Line 2 of the LCD in priority order (highest to lowest). The E1 NTU is polled for current status every ten seconds.
  • Page 45 ACCULINK 3350 E1 NTU Message EER at DTE An Excessive Error Rate condition has been detected on the G.703 DTE interface. The condition is cleared when the error rate falls below the threshold value (10 RAI at Net A Remote Alarm Indication is being received by the network interface.

  • Page 46: Hdsl Loop Performance

    Lp2 Loss= xx The loop 2 loss value ( xx ) is 0 to 40. (See the Lp1 Loss description above.) 3350-A2-GB20-10 HDSL messages appear on Line 2 of the LCD. The E1 NTU is polled for current status every ten seconds.

  • Page 47: Performance Reports

    ACCULINK 3350 E1 NTU Performance Reports Network performance is continuously monitored and maintained in network registers (NET) and G.703 DTE registers (DTE). Registers shown on the front panel LCD are listed in Table 4-4. NET and DTE registers are status registers that collect performance data for the previous 24-hour period.
  • Page 48 Use the scroll keys to view additional register information. E1 Intvl: xx ES= xxx 3350-A2-GB20-10 You can reset the performance registers via the ClrReg command in the Control branch of the front panel menu. To clear the performance registers, 1.
  • Page 49 ACCULINK 3350 E1 NTU Register Interval Description Event Error events counter. An error event is a frame (Not valid for with either a Cyclic Redundancy Check (CRC) Lp n registers.) error or an Out Of Frame (OOF) event. The maximum count is 65,535. This register is only reset as a result of a Clear Performance Register command.
  • Page 50 The number of far-end block errors (reported by (Only valid for remote equipment) for the current interval. The Lp n registers.) maximum count is 900. 3350-A2-GB20-10 Table 4-4 (2 of 2) Performance Registers Totals Description The total loss of frame count for the previous 24 hours.

  • Page 51: Alarms

    ACCULINK 3350 E1 NTU Alarms The E1 NTU can be attached, either locally or remotely, to an ASCII terminal or printer to display or print alarm messages. The Communications (COM) port can be used as the destination for Alarm Set and Alarm Clear messages.

  • Page 52: Snmp Traps

    These traps are set by the Link Trap configuration option. The communications interfaces for which these traps can be generated are specified by the Trap I/F configuration option. Table 4-6 defines traps for each interface. 3350-A2-GB20-10 Table 4-5 Enterprise-Specific Trap Definitions Trap Value enterpriseClockFail(1)

  • Page 53: Troubleshooting

    ACCULINK 3350 E1 NTU Troubleshooting AT&T Paradyne’s E1 NTU is designed to provide you with many years of trouble-free service. However, Table 4-7 gives you some direction if a problem occurs. Symptom Possible Cause No power 1. The power module is not securely attached.
  • Page 54 2. The SNMP manager’s link layer protocol is not running. No SNMP 1. Cable problem. communication via the AUX port 2. The link layer protocol is not running. 3350-A2-GB20-10 Table 4-7 (2 of 2) Troubleshooting Solutions Check the DTE. Contact your facility provider.

  • Page 55: Test Jacks

    ACCULINK 3350 E1 NTU Test Jacks Six test jacks are located on the front panel (Figure 4-1). These test jacks allow for four break-in tests and two monitor access points to the E1 NTU. Test jack functions are shown in Figure 4-2 and described in Table 4-8.

  • Page 56: Test Commands

    F2 to select Test from the top-level menu screen. E1 HDSL NTU Stat Test Cnfig 3350-A2-GB20-10 Local Loopback Tests The Local Loopback tests enable you to conduct circuit testing and fault isolation for the digital line. The supported local loopback tests are:...

  • Page 57: Starting A Line Loopback

    ACCULINK 3350 E1 NTU Starting a Line Loopback The Line Loopback command (LLB) loops the received signal on the network interface back to the network without change. (G.703) LINE LOOPBACK (LLB) To perform a Line loopback, 1. From the top-level menu screen, select Test.

  • Page 58: Starting A Dte Loopback

    3. From the Loopback screen, press the the DLB selection appears on the screen. Loopback: Abort 3350-A2-GB20-10 4. Select DLB. Test Started appears on Line 2. If a DTE loopback is already in progress, the Already Active message appears. If an invalid combination...

  • Page 59: Aborting Loopbacks

    ACCULINK 3350 E1 NTU 3. From the Loopback screen, press the the RLB selection appears on the screen. Loopback: Abort 4. Select RLB. Loopback: Test Started appears on Line 2. If a Repeater loopback is already in progress, the Already Active message appears.

  • Page 60: Test Patterns

    Lamp 3. From the Patterns screen, select Send. Patterns: Abort Send 3350-A2-GB20-10 4. From the Patterns Send screen, press F1 to send a 32767 pattern or F2 to send a 1-in-8 pattern. –1 test. The Test Started screen appears. Monitoring 32767 Test Patterns The Monitor command provides the number of errors detected in the 32767 test pattern.

  • Page 61: Aborting Test Patterns

    ACCULINK 3350 E1 NTU Aborting Test Patterns Use the Abort command to stop all test patterns or any selected test pattern active on the E1 NTU. To abort test patterns, 1. From the top-level menu screen, select Test. 2. From the Test screen, select Ptrns.

  • Page 62: Lamp Test

    Lamp Test screen. In addition, all LEDs blink. 0123456789 : ; < = > ? @ABCDEFGHIJKLMNO 3350-A2-GB20-10 5. When you are satisfied that all LEDs are lighting and the LCD is functioning properly, abort the Lamp test from the Lamp Test screen. If there is...

  • Page 63: Displaying E1 Ntu Test Status

    ACCULINK 3350 E1 NTU Displaying E1 NTU Test Status Use the Test Status command to display the active tests for the E1 NTU. Status messages that can display on the front panel LCD are listed in Table 4-10. To display test status, 1.

  • Page 64: Front Panel Menu

    Stat HDSL DevHs STest Perf TStat LED Cur 24Tot Intvl Cur 24Tot Intvl Cur 24Tot Intvl 3350-A2-GB20-10 Front Panel Menu E1 HDSL NTU Test Cnfig Lpbk Ptrns Lamp Abort Send 32767 1in8 Load Edit Area From: PLB DLB RLB Abort...

  • Page 65: Technical Specifications

    ................Overview The Model 3350 NTU technical specifications are listed in Table B-1.
  • Page 66 ACCULINK 3350 E1 NTU Model 3350 NTU Technical Specifications Specifications APPROVALS PHYSICAL DIMENSIONS Height Width Depth WEIGHT ENVIRONMENT Operating Temperature Storage Temperature Relative Humidity Shock and Vibration Table B-1 (2 of 2) Criteria CISPR 22 Class A compliant 2.13 inches (5.4 cm) 7.63 inches (19.4 cm)

  • Page 67: Configuration Options

    E1 NTU (Table C-3). 3350-A2-GB20-10 ...........
  • Page 68 ACCULINK 3350 E1 NTU DTE Interface Configuration Options DTE Interface Configuration Options DTE Port: Enab Next Enab Disab Prev G.703 DTE Port. Enables the use of the G.703 DTE port. Enab – Allows the use of the G.703 DTE interface.
  • Page 69 Edit – Allows you to edit and/or display the network circuit identifier using the generic text string entry screen. Clear – Allows you to clear the network circuit identifier. The network circuit identifier will be set to a null string. 3350-A2-GB20-10 Table C-2...
  • Page 70 ACCULINK 3350 E1 NTU General Configuration Options Pri Clk Src: NET Primary Clock Source. Specifies the primary clock source for the E1 NTU. NET – Configures the HDSL Network interface as the primary clock source. DTE – Configures the G.703 DTE interface as the primary clock source. This selection is not available if the G.703 DTE interface is disabled.
  • Page 71 Int – Configures the communication port for internal clocking. Ext – Configures the communication port for external clocking. NOTE: This configuration option is not available if the Com Type configuration option is set to Async. 3350-A2-GB20-10 Table C-4 (1 of 3)
  • Page 72 ACCULINK 3350 E1 NTU User Interface Configuration Options Com Rate: 9.6 Next 14.4 Communication Port Rate. Configures the bit rate for the communication port. 1.2 – Sets the bit rate to 1200 bps. 2.4 – Sets the bit rate to 2400 bps.
  • Page 73 9.6 – Configures the auxiliary port rate as 9600 bps. 14.4 – Configures the auxiliary port rate as 14,400 bps. 19.2 – Configures the auxiliary port rate as 19,200 bps. 38.4 – Configures the auxiliary port rate as 38,400 bps. 3350-A2-GB20-10 Table C-4 (3 of 3) June 1996...
  • Page 74 ACCULINK 3350 E1 NTU Alarm Configuration Options Alrm Msg: Disab Next Enab Disab Prev Alarm Messages. Controls the generation of alarm messages, which are routed to an ASCII terminal or printer attached to the communication port. For more information, refer to the Alarms section in Chapter 4, Maintenance .
  • Page 75 R/W – Allows read and write access (SNMP Get and Set) to the objects in the MIB for this device when community name 1 is used. Write access is allowed for all objects specified as read/write in the MIB RFCs. Read access is allowed for all objects specified as either read-only or read/write. 3350-A2-GB20-10 Table C-6 (1 of 4)
  • Page 76 ACCULINK 3350 E1 NTU General SNMP Configuration Options CommunityName2: Next Edit Clear Prev Community Name 2. Specifies the second of two community names that are allowed to access this unit’s Management Information Base (MIB). External SNMP managers must supply this name to access an object in the MIB.
  • Page 77 SLIP – Specifies SLIP as the link layer protocol for the SNMP management link on the communication port. The communication port must be configured for asynchronous operation to support SLIP. This selection does not appear if the Com Use configuration option is set to Daisy. 3350-A2-GB20-10 Table C-6 (3 of 4)
  • Page 78 ACCULINK 3350 E1 NTU General SNMP Configuration Options Aux IP Adr: Next Edit Clear Prev IP Address for the Auxiliary Port. Specifies the IP address needed to access the unit when the auxiliary port is configured as the SNMP management link. The IP address is only in effect when the Aux Use configuration option is set to SNMP or Daisy.
  • Page 79 Both – Sends trap messages for warmStart and authenticationFailure events to the currently configured trap manager(s). NOTE: This configuration option is not available if the SNMP Trap configuration option (in the Alarm Configuration Options section) is disabled. 3350-A2-GB20-10 Table C-7 (1 of 2)
  • Page 80 ACCULINK 3350 E1 NTU Entp Trap: Enab Next Enab Disab Prev Enterprise Specific Traps. Specifies whether enterpriseSpecific traps are enabled. For more information, refer to the SNMP Traps section in Chapter 4, Maintenance . Enab – Sends trap messages for enterpriseSpecific events to the currently configured trap manager(s).
  • Page 81 Mgmt Link Disab, SNMP HDSL Disab, Maint Circuit Ident Edit, Clear General Value Options Pri Clk Src NET, DTE, Int 3350-A2-GB20-10 User Options Self-Test Enab, Disab Com Use SNMP, ASCII, Daisy Com Type Async, Sync Com Clk Int, Ext Com Rate 1.2, 2.4, 4.8, 9.6, 14.4, 19.2, 38.4...
  • Page 82 ACCULINK 3350 E1 NTU General SNMP Value Options System Name Edit, Clear System Location Edit, Clear System Contact Edit, Clear CommunityName1 Edit, Clear Access 1 Read, R/W CommunityName2 Edit, Clear Access 2 Read, R/W IP Adr Edit, Clear NetMask Edit, Clear...
  • Page 83 Paradyne. For cable feature numbers, refer to Appendix H, Equipment List. This appendix describes the connector pin assignments for the E1 NTU, AT&T Paradyne cables, and customer-supplied cables. 3350-A2-GB20-10 Pin Assignments HDSL Network Interface The HDSL Network interface is an 8-position, unkeyed modular connector (Table D-1).
  • Page 84 ACCULINK 3350 E1 NTU G.703 DTE Interface The G.703 DTE interface is either two BNC connectors (Transmit and Receive) for a 75 ohm unbalanced interface, or a DB15-type socket connector (Table D-2) for a 120 ohm balanced interface. For information about using Relay Contact Sense for external...

  • Page 85: Pin Assignments

    Signal DTE Transmit Clock DTE Receive Data Signal Ground DTE Transmit Data DTE Receive Clock 3350-A2-GB20-10 For daisy-chaining an AUX port to a COM port, a customer supplied, 8-pin-to-8-pin, straight- through cable is required and the appropriate configuration options (Com Use and Aux Use) must be set to Daisy.
  • Page 86 ACCULINK 3350 E1 NTU COM Port Interface The COM port connects to a PC for front panel emulation, to an ASCII terminal or printer for alarms, to a network device (e.g., a router) for SNMP applications, to the SNMP LAN Adapter for SNMP applications, or to another E1 NTU’s AUX port for daisy chain connectivity.
  • Page 87 Pin Assignments Figure D-2. COM Port-to-PC Cable Figure D-3. COM Port-to-Terminal/Printer Cable 3350-A2-GB20-10 June 1996...
  • Page 88 ACCULINK 3350 E1 NTU Power Input Connector The input power connector leads are shown in Table D-5. Table D-5 DC Power Connector Signal Pin Number – 48 Vdc Return 1, 2 – 48 Vdc A – 48 Vdc B +24 Vdc...

  • Page 89: Snmp Mib Objects

    10 different groups. The E1 NTU implements only those groups where the semantics of the group are applicable to 3350-A2-GB20-10 SNMP MIB Objects ........
  • Page 90 ACCULINK 3350 E1 NTU ICMP Group Supported. TCP Group Not supported since the TCP protocol is not supported by the E1 NTU. UDP Group Supported. EGP Group Not supported since the EGP protocol is not supported by the E1 NTU.
  • Page 91 5 – Auxiliary RS-232 port 6 – DCE port 1 7 – DCE port 2 8 – DCE port 3 9 – DCE port 4 The supported ifIndexes for the 3350 NTU are: Net E1 DTE E1 COM port Auxiliary RS-232 port Interface Group –...
  • Page 92 ACCULINK 3350 E1 NTU Interface Group – “ifAdminStatus” Object (ifEntry 7) This object specifies the desired state (configuration) of the interface. This object is supported only for the COM port. It provides the ability to switch between using the port for SNMP or ASCII operations. The value of this object will not affect the state of any of the interfaces on the E1 NTU other than the COM port.
  • Page 93 – The unit is acting as a gateway. IP Group – “ipAddrTable” Object (ip 20) The address table is supported by the E1 NTU. 3350-A2-GB20-10 IP Group – “ipAdEntAddr” Object (ipAddrEntry 1) The ipAdEntAddr object is an IP address supported by the device and serves as the index to the address table.
  • Page 94 ACCULINK 3350 E1 NTU The following objects are defaulted if not specified in the set PDU used to add a route. ipRouteMetric1 – Defaulted to 1 hop. ipRouteMetric2 – Defaulted to –1 for standalone devices. ipRouteType – Defaulted to indirect.
  • Page 95 The “ds1” transmission object is defined by the DS1/E1 MIB. The rs232 transmission object is defined by the RS-232-like MIB. 3350-A2-GB20-10 SNMP Group, MIB II The SNMP Group objects that apply to a management agent are fully supported by the E1 NTU. The following objects apply only to an NMS and return a zero value if accessed.
  • Page 96 ACCULINK 3350 E1 NTU Near End Group – “dsx1TimeElapsed” Object (dsx1ConfigEntry 3) Applies to the network interface only. An error status is returned if access is attempted for the G.703 DTE interface. Near End Group – “dsx1ValidIntervals” Object (dsx1ConfigEntry 4) Applies to the network interface only.
  • Page 97 (EER) has been detected on the network interface. Near End Group – “dsx1SignalMode” Object (dsx1ConfigEntry 11) This object is not supported by the 3350 NTU. Near End Group – “dsx1TransmitClockSource” Object (dsx1ConfigEntry 12) This object is not supported by the 3350 NTU.
  • Page 98 (rs232PortTable). The values of the rs232PortIndex object vary between models and are listed below. The values of rs232PortIndex for the 3350 NTU are: 1 – COM port 2 – Auxiliary RS-232 port General Port Table –...
  • Page 99 Only the following values are supported by the E1 NTU. 7 – 7-bit characters. Supported on the COM port only. 8 – 8-bit characters. 3350-A2-GB20-10 Asynchronous Port Table, “rs232AsyncPortStopBits” (rs232AsyncPortEntry 3) This object specifies the number of stop bits supported.
  • Page 100 ACCULINK 3350 E1 NTU Synchronous Port Table, RS-232-like MIB The synchronous port table contains an entry for the COM port when the port is configured for synchronous operation. For the E1 NTU, the entries in the table that are counters (rs232SyncPortEntry 3–7) are used to collect statistics and are not supported.
  • Page 101 This object contains a code that contains more specific information on the test result. This object is defined as an object identifier. Only the following value is supported by the 3350 NTU. none – No further information is available. Used for the send pattern/code and loopback tests.
  • Page 102 ACCULINK 3350 E1 NTU Correlation between Menu Commands and SNMP Objects Table E-1 provides a correlation between how a function is performed or status is displayed on the front SNMP MIB to Front Panel Command Cross-Reference Front Panel Command Stat–>DevHS:...
  • Page 103 Test–>Lpbk–>RLB Test–>Lpbk–>Abort–>RLB Test–>Ptrns–>Send–>32767 Test–>Ptrns–>Abort–>Send–>NET Test–>Ptrns–>Send–>1in8 Test–>Ptrns–>Abort–>Send–>NET Test–>Ptrns–>Mon–>32767–>NET Test–>Ptrns–>Abort–>Send–>NET 3350-A2-GB20-10 Table E-1 (2 of 3) SNMP MIB Object Read: dsx1LineLoop from dsx1LoopbackConfig for Net E1 dsx1PayloadLoop from dsx1LoopbackConfig for Net E1 dsx1PayloadLoop from dsx1LoopbackConfig for DTE E1 dsx1LineLoop from dsx1LoopbackConfig for DTE E1...
  • Page 104 ACCULINK 3350 E1 NTU SNMP MIB to Front Panel Command Cross-Reference Front Panel Command Cnfig–>Load Cnfig–>Save Cnfig–>Activ–>Edit–>DTE–>DTE–>Frame Cnfig–>Activ–>Edit–>DTE–>DTE–>Coding Cnfig–>Activ–>Edit–>NET–>NET Frame Cnfig–>Activ–>Edit–>NET–>Mgmt Link Cnfig–>Activ–>Edit–>User–>Com Rate Cnfig–>Activ–>Edit–>User–>Aux Rate Cnfig–>Activ–>Edit–>User–>Char Length Cnfig–>Activ–>Edit–>User–>CParty Cnfig–>Activ–>Edit–>User–>CStop Bits E-16 Table E-1 (3 of 3) SNMP MIB Object Set devConfigAreaCopy to desired choice (Active to Customer1, etc.)

  • Page 105: Ip Network Addressing Scenario

    FDL is end-to-end (i.e., not terminated at an intermediate point within the network). 3350-A2-GB20-10 Interconnected 33xx Series devices automatically pass routing information between them; however, a static route to the subnet(s) must be set in the routing table of the NMS host.
  • Page 106 ACCULINK 3350 E1 NTU 135.18.1.2 135.18.1.3 135.18.1.4 135.18.1.5 135.18.1.7 Figure F-1. Daisy-Chained Standalone Devices at the Central Site ETHERNET 135.18.40.1 NETWORK SUBNET 135.18.40.0 ADAPTER AUX/COM IP ADDRESS: 135.18.40.2 SUBNET 135.18.1.0 135.18.1.6 June 1996 SNMP NMS 135.18.1.1 135.18.1.1 495-14645-01 3350-A2-GB20-10...

  • Page 107: Front Panel Emulation

    3. Choose Run. 3350-A2-GB20-10 ..........
  • Page 108 ACCULINK 3350 E1 NTU Starting Front Panel Emulation If the E1 NTU selected is not locally attached to the PC, you must first dial to the remote E1 NTU before starting front panel emulation. The modem attached to the PC must support AT commands for the Front Panel Emulation software to successfully place the call.

  • Page 109: Equipment List

    Equipment Model 3350 E1 NTU Modular COM Port-to-PC Cable, 8-pin modular to DB9S COM Port-to-Terminal/Printer Cable, 8-pin modular to DB25P DC Power Cable Front Panel Emulation Software Wall-Mount/Rack-Mount Adapter 3350-A2-GB20-10 Equipment List Feature Number 3350-A1-310 3100-F1-550 3100-F1-540 3100-F1-520 3100-C1-010 3100-F1-400...

  • Page 110: Glossary

    “zero” (space, no pulse) is of zero amplitude. Binary digit. The smallest unit of information, representing a choice between a one or a zero (sometimes called mark or space). 3350-A2-GB20-10 Glossary June 1996 Glossary-1...
  • Page 111 ACCULINK 3350 E1 NTU Bayonet-Neill-Concelman. A bayonet-type connector for coaxial cables. Bits per second. Indicates the speed at which bits are transmitted across a data connection. Bipolar Violation. In a bipolar signal, a “one” (mark, pulse) which has the same polarity as its predecessor.
  • Page 112 A trap unique to AT&T Paradyne devices. error A discrepancy between a measured or computed value or condition and the true or specified value or condition. Errored seconds. Seconds with one or more error events. 3350-A2-GB20-10 June 1996 Glossary Glossary-3...
  • Page 113 ACCULINK 3350 E1 NTU Electrostatic discharge. An undesirable discharge of static electricity that can damage equipment and degrade electrical circuitry. ETSI European Telecommunications Standardization Institute. An organization that produces technical standards in the area of telecommunications. A wideband digital interface operating at 2.048 Mbps defined by CCITT standards G.703 and G.704.
  • Page 114 Megabits per second (million bits per second). menu tree A display of E1 NTU functions that are accessed by selecting various branches (Status, Test, etc.). Multiframe Alarm. A condition in which two consecutive multiframe alignment signals are received in error. 3350-A2-GB20-10 June 1996 Glossary Glossary-5...
  • Page 115 ACCULINK 3350 E1 NTU Management Information Base. A database of managed objects used by SNMP to provide network management information. MIB II MIB Release 2. The current Internet-standard MIB. Maximum Request Unit. module A compact assembly functioning as a component in a larger system or unit.
  • Page 116 Data transmission that is synchronized by timing signals. Characters are sent at a fixed rate. TCP/IP Transmission Control Protocol/Internet Protocol. The dominant protocol in the worldwide Internet. 3350-A2-GB20-10 June 1996 Glossary Glossary-7...
  • Page 117 ACCULINK 3350 E1 NTU time slot The allocated DS0 channel slot when DS0 channels are combined to form an aggregate bit stream. trap (SNMP) A notification message to the SNMP manager when an unusual event occurs on a network device, such as a reinitialization.
  • Page 118 SNMP system, 1-2, 2-2, 3-11, F-1 BES (Bursty Errored Seconds) report, 4-8 BPV (Bipolar Violation) condition front panel LED indication, 3-6 Performance Report message, 4-9 troubleshooting, 4-13 3350-A2-GB20-10 Index cabling equipment list, H-1 examples, 2-7 pin assignments, D-1–D-6...
  • Page 119 ACCULINK 3350 E1 NTU Cust1 (Customer 1) configuration area functional description, 3-9 in the menu tree, A-1 Cust2 (Customer 2) configuration area functional description, 3-9 in the menu tree, A-1 cyclic redundancy check (CRC) configuration option, C-2, C-3 error indication, 4-8...
  • Page 120 Performance Report message, 4-8, 4-9 Self-Test Health message, 4-2 troubleshooting, 4-12 Lpbk (Local Loopback) branch example of use, 4-15–4-18 in the menu tree, A-1 3350-A2-GB20-10 maintenance device health and status, 4-3–4-4 HDSL loop performance, 4-5 performance reporting, 4-6–4-9 power-up self-test, 2-8, 4-2...
  • Page 121 ACCULINK 3350 E1 NTU part numbers, H-1 pattern tests, 4-19–4-20 payload loopback (PLB), 4-16 PBX applications, 2-1 PDV (Pulse Density Violation) condition, 3-6 Perf (Performance Report) branch example of use, 4-6–4-7 in the menu tree, A-1 performance reporting, 4-6–4-9 physical description of E1 NTU, 1-3–1-5, B-2 pin assignments, D-1–D-6...
  • Page 122 2-8, 4-2 TStat (Test Status) branch example of use, 4-22 in the menu tree, A-1 TX network connector, 1-4 3350-A2-GB20-10 UAS (Unavailable Seconds) report, 4-8 User Configuration branch example of use, 3-12 in the menu tree, A-1 option table, C-5–C-7 option worksheet, C-15 user interface, acquiring/releasing, 3-18–3-19...

Table of Contents