Paradyne ACCULINK 336x E1 Operator's Manual

E1 network termination unit
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ACCULINK
336x E1 NETWORK
TERMINATION UNIT
OPERATOR'S GUIDE
Document No. 3360-A2-GB20-20
December 1996

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Summary of Contents for Paradyne ACCULINK 336x E1

  • Page 1 ACCULINK 336x E1 NETWORK TERMINATION UNIT OPERATOR’S GUIDE Document No. 3360-A2-GB20-20 December 1996...
  • Page 2 Paradyne Corporation makes no representation or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for a particular purpose. Further, Paradyne Corporation reserves 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.
  • Page 3: Important Safety Instructions

    Important Safety Instructions Read and follow all warning notices and instructions marked on the product or included in the manual. When an AC power source is used, this product is intended to be used with a three-wire grounding type plug – a plug which has a grounding pin. This is a safety feature. Equipment grounding is vital to ensure safe operation.
  • Page 4 ACCULINK 336x 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 5: Table Of Contents

    Table of Contents Preface Introduction Installation Operation 3360-A2-GB20-20 Objectives and Reader Assumptions ......Related Documents ........Reference Documents .
  • Page 6 ACCULINK 336x E1 NTU Maintenance Appendices Glossary Index Overview ..........
  • Page 7: Preface

    Objectives and Reader Assumptions This operator’s guide contains installation, operation, and maintenance information for the ACCULINK 336x 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 8: Introduction

    Overview ................Features .
  • Page 9 “Set” commands to an object in the SNMP database maintained by the E1 NTU. The E1 NTU can be managed by any industry-standard SNMP manager. Paradyne provides an SNMP application that runs on a Hewlett-Packard HP OpenView network management platform. For more information, refer to the ACCULINK 3100 Series Open Management Application for HP OpenView User’s Guide.
  • Page 10: Physical Description

    Physical Description The 336x Series consists of a Model 3360 NTU (2-port), a Model 3364 NTU (4-port), and a Model 3365 NTU (1-port). 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 11 ACCULINK 336x E1 NTU POWER PORT CAUTION: AUX PORT OR COM PORT MUST NOT BE CONNECTED TO HDSL NETWORK CLOCK IN POWER PORT CAUTION: AUX PORT OR COM PORT MUST NOT BE CONNECTED TO HDSL NETWORK CLOCK IN G.703 PORT...
  • Page 12 POWER PORT Name POWER AUX PORT COM PORT HDSL NETWORK G.703—120 G.703—120 /75 (switch) G.703—75 TX/RX G.703—RX SHIELD (switch) CLOCK IN (Models 3360/3364) PORTs 1– 4 3360-A2-GB20-20 RX SHIELD PORT 1 PORT G.703 Figure 1-4. Model 3365 Rear Panel Table 1-1 Rear Panel Connectors and Switches Function Supplies power to the E1 NTU by providing an attachment for the ac power...
  • Page 13: Installation

    Overview ................Application Examples .
  • Page 14 ACCULINK 336x E1 NTU ROUTER Figure 2-2. Point-to-Point Application Example ROUTER DSU/CSU ROUTER Figure 2-3. Fractional E1 Application Example NETWORK HDSL HDSL HDSL FRACTIONAL NETWORK December 1996 ROUTER 496-14735-01 ROUTER DSU/CSU ROUTER 496-14737-01 3360-A2-GB20-20...
  • Page 15: Snmp Connection Examples

    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 2-4). Connecting the COM port to a network device (e.g., a router) for SNMP management Connecting the COM port or the AUX port to an external LAN Adapter for Ethernet SNMP...
  • Page 16 ACCULINK 336x E1 NTU SNMP ETHERNET Figure 2-6. Connection through a LAN Adapter to SNMP SNMP ETHERNET Figure 2-7. LAN Adapter and Daisy Chaining for SNMP Support NETWORK HDSL SNMP FDL/EDL Figure 2-8. Remote SNMP Management through FDL /EDL ROUTER...
  • Page 17: Important Instructions

    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. HANDLING PRECAUTIONS STATIC-SENSITIVE DEVICES This product is designed to protect...
  • Page 18 ACCULINK 336x E1 NTU Installing the Single –48 Vdc Power Supply To install the E1 NTU using a single source – 48 Vdc power supply, refer to Figure 2-10 and use the following procedure. To install the – 48 Vdc single source power supply, 1.
  • Page 19 Installing the Redundant –48 Vdc Power Supply To install the E1 NTU using a redundant – 48 Vdc power supply, refer to Figure 2-11 and use the following procedure. To install the redundant – 48 Vdc power supply, 1. Connect the black wire to the – 48 Vdc return source B.
  • Page 20: Cabling Examples

    ACCULINK 336x E1 NTU Cabling Examples The E1 NTU is supplied with an ac power module. Optional cables that you can order from the company are described in Appendix D, Assignments. Figure 2-12 illustrates some cabling examples. HDSL COM PORT NETWORK G.703...
  • Page 21: Power-Up Self-Test

    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...
  • Page 22: Operation

    Overview ................Using the Front Panel .
  • Page 23: Overview

    ACCULINK 336x 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. HDSL LINE LINE TEST JACKS Using the Front Panel The E1 NTU front panel LCD, a keypad, test jacks, and 12 LEDs.
  • Page 24: Lcd

    The LCD (Figure 3-2) displays two types of data: Messages such as alarms, command/test completion, and action in progress Front panel menu tree information (see Appendix A, Front Panel Menu) Figure 3-2. LCD The LCD displays status messages as requested via the Device Health and Status branch of the front panel menu (see the Device Health and Status...
  • Page 25: Test Jacks

    ACCULINK 336x 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 Name Color Green Indicates the current operational state of the E1 NTU. FAIL Yellow Indicates a system failure or a self-test. TEST Yellow A system test is in progress. Name Color SIG1 Green Monitors the signal being received from the network. SIG2 Green Monitors the signal being received from the network.
  • Page 27 ACCULINK 336x E1 NTU Name Color Green Monitors the signal being received from the G.703 DTE port. Yellow Monitors Out Of Frame (OOF) conditions on the received G.703 DTE signal. ALRM Yellow Indicates whether an alarm condition exists on the received G.703 DTE signal.
  • Page 28 Name Color Green Monitors the state of interchange circuit CD (CCITT 108/1, /2) – Data Terminal Ready received from the synchronous data DTE. Yellow Monitors activity on interchange circuit BA (CCITT 103) – Transmitted Data. This is the data sent from the synchronous data DTE to the data port on the E1 NTU. Yellow Monitors activity on interchange circuit BB (CCITT 104) –...
  • Page 29: Displaying Unit Identity

    ACCULINK 336x E1 NTU Displaying Unit Identity The identity of the E1 NTU (serial number, model number, software revision level, hardware revision level, and customer identification) is available through the Status branch of the front panel menu (see Appendix A, Front Panel Menu).
  • Page 30 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 2. Select Ctrl. E1 HDSL NTU Test Cnfig 3. From the Control screen, press the the CID selection appears on the screen.
  • Page 31: Displaying Led Conditions

    ACCULINK 336x E1 NTU Displaying LED Conditions The same conditions monitored by the front panel LEDs can also be monitored by the LED command. This command is most useful when the E1 NTU is being accessed remotely (see Appendix G, Front Panel Emulation).
  • Page 32: Selecting The G.703 Dte Or Data Port For Led Display

    Selecting the G.703 DTE or Data Port for LED Display Use the LED command on the Control branch to select which port’s (G.703 DTE or data port) status appears on the five shared LEDs on the front panel. NOTE The following procedure is an example only.
  • Page 33: Displaying/Editing Configuration Options

    ACCULINK 336x E1 NTU Customer 1 (Cust1). The first of two sets of customer-defined configuration options. This area can be written to. Customer 2 (Cust2). The second of two sets of customer-defined configuration options. This area can be written to.
  • Page 34: Saving Edit Changes

    Saving Edit Changes Save edit changes to the Active area when you want those changes to take effect immediately. Save edit changes to the Customer area when you want to overwrite the existing Customer configuration options and store these changes for future use. NOTE If you attempt to exit the Edit function after making changes...
  • Page 35: Configuring The E1 Ntu For Snmp Management

    ACCULINK 336x E1 NTU To copy the configuration options to one or all ports, 6. From the Port Select screen, select Copy. Port Select: Copy Prt1 7. Select the port from which you want to copy the configuration options using the corresponding Function key.
  • Page 36: Setting The Ip Address

    7. Select SNMP to configure the COM port as the management link to an external SNMP manager. Com Use: Next SNMP ASCII Setting the IP Address The IP address is the address used by the SNMP manager to access the device. For devices using PPP, the IP address can be negotiated if the network device (e.g., router or SNMP manager) supports such negotiation.
  • Page 37: Selecting The Link Layer Protocol

    ACCULINK 336x E1 NTU 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. 010.155.111.222 Down Selecting the Link Layer Protocol Two link layer protocols, Point-to-Point Protocol (PPP)
  • Page 38: Specifying The Community Name(S) And Access Type(S)

    Specifying the Community Name(s) and Access Type(s) You have the capability of specifying up to two community names (community name 1 and community name 2) to be used by external SNMP managers when trying to access objects in the E1 NTU’s MIB. Once you specify the community name(s), you must then specify the type of access to the MIB that SNMP managers in the community are permitted to have.
  • Page 39: Configuring Snmp Traps

    ACCULINK 336x E1 NTU 11. Press F1 (Next) until the Access 1 configuration option appears. 12. Press F2 (Read) or F3 (R/W). Access 1: Next Read The Read selection allows read-only access (SNMP “Get”) to the accessible objects in the MIB when community name 1 is used.
  • Page 40: Selecting The Number Of Trap Managers

    Selecting the Number of Trap Managers If you intend to issue traps to an SNMP manager(s) from this device, you must specify the number of SNMP managers that are to receive the traps. To specify the number of SNMP managers to receive traps from this device, 1.
  • Page 41: Configuring Ds0 Channels

    ACCULINK 336x E1 NTU 9. Press F1 (Next) until the Trapn Destination configuration appears, and select the destination for the SNMP trap by using the appropriate Function key. Use the scroll keys, if necessary. Trap n Dst: Next None Configuring DS0 Channels...
  • Page 42 NETWORK INTERFACE Figure 3-6. Example of Channel Allocation with TS16 Reserved for Common-Channel Signaling 3360-A2-GB20-20 G.703 DTE INTERFACE (N1-D1, N2-D2, ETC.) AUTOMATIC ALLOCATION PORTS December 1996 Operation PRT 1 PRT 2 PRT 3 PRT 4 496-14880 3-21...
  • Page 43 ACCULINK 336x E1 NTU Network Interface Network Channel Prt1 Prt1 Prt3 Prt2 Prt2 Prt2 Prt2 Prt2 Prt2 Prt3 Allocations D1 – D31 indicates allocation to DTE (G.703) channels. Prt1 – Prt4 indicates allocation to synchronous data ports. Figure 3-7. Example of Interface Worksheet with TS16 Reserved for Common Channel Signaling...
  • Page 44 NETWORK INTERFACE Figure 3-8. Example of Channel Allocation with TS16 Available for Data 3360-A2-GB20-20 G.703 DTE INTERFACE PORTS PRT 1 PRT 2 PRT 3 PRT 4 496-14879 December 1996 Operation 3-23...
  • Page 45 ACCULINK 336x E1 NTU Network Interface Network Channel Prt1 Prt1 Prt1 Prt3 Prt2 Prt2 Prt2 Prt2 Prt2 Prt2 Prt3 Allocations D1 – D31 indicates allocation to DTE (G.703) channels. Prt1 – Prt4 indicates allocation to synchronous data ports. Figure 3-9. Example of Interface Worksheet with TS16 Available for Data...
  • Page 46 Port Chan Options Conf Assign To Assign By If Assign By Block Port 1 If Assign By Chan Assign To Assign By If Assign By Block Port 2 If Assign By Chan Figure 3-10. Port Channel Configuration Worksheet (Ports 1 and 2) 3360-A2-GB20-20 NET, DTE, Prt2, Prt3, Prt4 Block, Chan...
  • Page 47 ACCULINK 336x E1 NTU Port Chan Options Conf Assign To Assign By If Assign By Block Port 3 If Assign By Chan Assign To Assign By If Assign By Block Port 4 If Assign By Chan Figure 3-11. Port Channel Configuration Worksheet (Ports 3 and 4)
  • Page 48: Displaying Ds0 Channel Assignments

    NOTE The following procedures are examples only. Screen displays may vary depending on the model and configuration of the E1 NTU. Displaying DS0 Channel Assignments Use the Display command (in the Channel Configuration branch) to view how the DS0 channels are currently allocated.
  • Page 49: Allocating Data Ports

    ACCULINK 336x E1 NTU 8. If you selected NET the channels allocated to the network interface are displayed. Line 1 displays the 31 channels for the network interface, while Line 2 displays what is allocated to the DS0 channel shown in Line 1. Pressing the key scrolls the channels onto the screen in groups of three.
  • Page 50: Block Channel Assignment Method

    7. Select the desired port by pressing its corresponding Function key. Channel Config: Prt1 Prt2 8. The configuration option for the data port channel allocation destination appears on the screen. Select NET to assign this port to the network interface, select DTE to assign this port to the G.703 DTE interface, or press the key and the appropriate...
  • Page 51: Individual Channel Assignment Method

    ACCULINK 336x E1 NTU Individual Channel Assignment Method The Assign By configuration option screen appears after you select a port. To assign by the individual channel method, 1. Press F3 (Chan). Assign By: Next Block 2. Press F1 (Next) to display the next configuration option (channel allocation).
  • Page 52 7. From the DTE Channels screen, select TS16. DTE Channels: TS16 Assign 8. Pressing F2 (Rsvd) reserves time-slot 16 for Common-Channel Signaling (CSS). Pressing F3 (CAS) selects Channel-Associated Signaling. Data is the default for TS16. TS16:Data Data Rsvd NOTE If TS16 is reserved for CSS by selecting Rsvd, D16 will be assigned to N16, and the G.703 DTE DS0 channels allocated to...
  • Page 53: Clearing Ds0 Channel Allocation

    ACCULINK 336x E1 NTU Clearing DS0 Channel Allocation You can clear (deallocate) all the DS0 channels currently allocated to either the network interface, the G.703 DTE interface, or the synchronous data ports. To clear DS0 channel allocation, 1. From the top-level menu screen, select Cnfig.
  • Page 54: Selecting The Timing Source

    Selecting the Timing Source The E1 NTU provides the ability to select a primary clock (timing) source that is used to synchronize all of the E1 and data port interfaces on the E1 NTU. The clock for each interface is at the appropriate rate for that interface (e.g., 2.048 Mbps for the E1 interfaces, the configured port rate for the data ports), and it is independent of the primary clock rate.
  • Page 55: Configuring For Network Timing

    ACCULINK 336x E1 NTU Configuring for Network Timing To configure for network timing, 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 56: Acquiring/Releasing The User Interface

    8. Select the appropriate external clock rate by pressing the corresponding Function key. This step is mandatory if you have chosen external clocking. Clock Rate:2048 Next 2048 Acquiring/Releasing the User Interface You can access the user interface from either the front panel or the COM port.
  • Page 57: Resetting The E1 Ntu

    ACCULINK 336x E1 NTU 3. From the Control screen, select Rel (Release). Control: ClrReg The active user interface is released. A screen with this message appears. No user interface is active until input is received from a user interface. Ft. Panel:...
  • Page 58 E1 NTU User Interface Access Security The 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 contact your sales or service representative. 3360-A2-GB20-20 December 1996 Operation 3-37...
  • Page 59: Maintenance

    Overview ................Self-Test Health .
  • Page 60: Self-Test Health

    ACCULINK 336x 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 61: Device Health And Status

    Device Health and Status Use the Device Health and Status branch to view the current health and status messages for the E1 NTU. Table 4-2 lists these messages in priority order. To display device health and status, 1. From the top-level menu screen, select Stat. E1 HDSL NTU Stat Test...
  • Page 62 ACCULINK 336x 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 63: Hdsl Loop Performance

    HDSL Loop Performance Use the HDSL Loop Performance branch to view the signal quality and loop loss messages for each loop on the local E1 NTU. Table 4-3 lists these messages. To display HDSL loop performance, 1. From the top-level menu screen, select Stat. E1 HDSL NTU Stat Test...
  • Page 64: Performance Reports

    ACCULINK 336x E1 NTU Performance Reports Network performance is continuously monitored and maintained in network registers (NET), in G.703 DTE registers (DTE) and, if configured to do so, in far-end and near-end port registers (Prtn, where n is 1, 2, 3, or 4).
  • Page 65 7. When you press F1 from the E1 Registers screen, the E1 registers for the current 15-minute interval appear. E1 Current: Event = xx , xxx 8. When you press F2 from the E1 Registers screen, the E1 registers for the 24-hour total interval appear.
  • Page 66 ACCULINK 336x 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 67 Register Interval Description LOFC The loss of frame count for the current interval. (Not valid for This is a count of the number of times that an Lp n registers.) LOF is declared. The maximum count is 255. StEvnt The status events register records whether one (Not valid for or more of the following events have occurred Lp n or port...
  • Page 68: Alarms

    ACCULINK 336x 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 69: Snmp Traps

    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. The SNMP Trap configuration option must be enabled for trap messages to be sent over the communications link.
  • Page 70: Troubleshooting

    ACCULINK 336x E1 NTU Troubleshooting The E1 NTU is designed to provide you with many years of trouble-free service. However, you some direction if a problem occurs. Symptom Possible Cause No power 1. The power module is not securely attached.
  • Page 71 Symptom Possible Cause Message DTE is sending an AIS. AIS at DTE appears Message EER at Facility problem. Net appears BPV LED is ON 1. Incompatible line coding format between the DTE and the E1 NTU. 2. G.703 DTE cable problem. A failure message Internal E1 NTU problem.
  • Page 72: Test Jacks

    ACCULINK 336x 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...
  • Page 73: Test Commands

    Test Commands The test commands enable you to run loopbacks and test patterns on the E1 NTU, and to test the front panel LEDs. These tests can help you isolate areas of trouble if you are having problems with your E1 NTU. To access all Test commands from the Test branch, press F2 to select Test from the top-level menu screen.
  • Page 74: Local Loopback Tests

    ACCULINK 336x E1 NTU 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: Line Loopback (LLB) Payload Loopback (PLB) DTE Loopback (DLB) Repeater Loopback (RLB)
  • Page 75: Starting A Line Loopback

    Starting a Line Loopback The Line Loopback command (LLB) loops the received signal on the network interface back to the network without change. All ones are transmitted on the G.703 DTE port for the DS0 channels allocated to the network interface. All ones are also transmitted to each synchronous data port allocated to the network interface.
  • Page 76: Starting A Dte Loopback

    ACCULINK 336x E1 NTU Starting a DTE Loopback The DTE Loopback command (DLB) loops the received signal on the G.703 DTE port back to the DTE without change. All ones are inserted into the DS0 channels allocated to the G.703 DTE port.
  • Page 77: Starting A Data Channel Loopback

    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. If an invalid combination of loopbacks is in progress, the error message Invld Test Combo appears (see loopback test combinations).
  • Page 78: Starting A Data Terminal Loopback

    ACCULINK 336x E1 NTU Starting a Data Terminal Loopback The Data Terminal Loopback command (DTLB) loops the data received from the selected port, for all DS0 channels allocated to the port, back out of the port. This loopback occurs after the data passes through the port circuitry but before it reaches the E1 framer.
  • Page 79: Test Patterns

    4. From the Loopback Abort screen, press the desired Function key to abort All or one specific loopback test. Use the scroll keys, if necessary. Loopback: Abort If you select ALL, LLB, PLB, DLB, or RLB, skip Step 5. 5. From the Abort screen, press the Function key that corresponds to the port for which you want to abort the test.
  • Page 80 ACCULINK 336x E1 NTU 4. From the Patterns Send screen, press F1 to send a 32767 pattern, F2 to send a 511 pattern, F3 to send a 1-in-8 pattern, or press the appropriate Function key to send a QRSS pattern.
  • Page 81: 511 Test Patterns

    Monitoring Test Patterns Use the Monitor command to monitor 32767, QRSS, or 511 test patterns. This command provides the number of errors detected in the test pattern (5 digits, maximum 99999). To monitor a 32767, QRSS, or 511 test pattern, 1.
  • Page 82: Lamp Test

    ACCULINK 336x E1 NTU 4. From the Patterns Abort screen, press the desired Function key to abort either All active test patterns, active Send test patterns, or the active Monitor (Mon) test pattern. Patterns: Abort Send If you select All, the E1 NTU terminates all active test patterns and displays the message Command Complete.
  • Page 83: Displaying E1 Ntu Test Status

    5. The following screens alternately appear on the LCD until you press a Function key to return to the Lamp Test screen. In addition, all LEDs blink. 0123456789 : ; < = > ? @ABCDEFGHIJKLMNO 6. When you are satisfied that all LEDs are lighting and the LCD is functioning properly, abort the Lamp test from the Lamp Test screen.
  • Page 84 ACCULINK 336x E1 NTU Message No Test Active No tests are currently active. LLB Test Active The network interface is in Line loopback. PLB Test Active The network interface is in Payload loopback. DLB Test Active The G.703 DTE port is in DTE loopback.
  • Page 85 NOTE Some selections are not available on 1-port and 2-port E1 NTUs. Stat HDSL DevHs STest Perf TStat LED E1 Prtn Prtn Cur 24Tot Intvl Near Cur 24Tot Intvl Cur 8Tot Intvl Cur 24Tot Intvl Port Dsply Clear Copy Prt1 Prt2 Port Select : Prt1 Prt2 Prt3 Prt4...
  • Page 86 Technical Specifications Overview ................Overview The technical specifications for the Models 3360, 3364, and 3365 NTUs are listed in...
  • Page 87 ACCULINK 336x E1 NTU Models 3360/3364/3365 NTUs Technical Specifications Specifications APPROVALS CLOCKING SOURCES 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 HDSL Network interface, synchronous data port, internal clock, G.703 DTE...
  • Page 88: Configuration Options

    Overview ................DTE Interface Configuration Options Port Configuration Options .
  • Page 89: Dte Interface Configuration Options

    ACCULINK 336x E1 NTU 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. Disab – Prohibits the use of the G.703 DTE interface.
  • Page 90 Port Configuration Options Port Type: E530 Next E530 V.35 RS449 X.21 Data Port Type. Allows selection of the data port interface type. E530 – Configures the port as an EIA 530A compatible interface. EIA 530A DTEs can be directly connected to a port connector on the back of the E1 NTU.
  • Page 91 ACCULINK 336x E1 NTU All Ones: Both Next Disab Both Send All Ones on Data Port Not Ready. Specifies the conditions on the data port that determine when valid data is not being sent from the DTE. When this condition is detected, all ones are sent to the network on the DS0 channels allocated to the port.
  • Page 92 EDL: Disab Next Enab Disab Prev Embedded Data Link. Specifies whether Embedded Data Link (EDL) is enabled for a particular port. If EDL is enabled, then 8 kbps of the total bandwidth allocated for this port is not available to the synchronous data port. For example, if the port rate is 256 kbps (4 DS0 channels allocated) and EDL is enabled, then only 248 kbps is available to the port.
  • Page 93 ACCULINK 336x E1 NTU Far-end: Disab Next Disab Maint Prev Far-End Performance Statistics. Specifies whether to monitor for far-end performance report messages (PRMs) and maintain far-end performance registers for a particular port. Disab – Disables far-end performance statistics. Maint – Monitors the port’s EDL for PRMs and maintains far-end performance statistics.
  • Page 94: Network Interface Configuration Options

    Network Interface Configuration Options Network Interface Configuration Options HDSL Mode: NTU Next Prev HDSL Mode. Specifies whether the operating mode is Network Termination Unit (NTU) or Line Termination Unit (LTU). In a poll/response environment, the LTU serves as the control unit that polls the NTU and controls such items as the distribution of payload data, start-up procedures, and timing references.
  • Page 95 ACCULINK 336x E1 NTU Channel Configuration Options The Channel configuration options are divided into two tables as follows: DTE Channel Configuration Options Data Port Channel Configuration Options (Table C-5) DTE Channels: TS16 Assign G.703 DTE Channel. Allows the selection of time-slot 16 (TS16) for signaling information or assigns DS0 channels from the G.703 DTE interface to DS0 channels on the network interface.
  • Page 96 Data Port Channel Configuration Options Channel Config: Dsply Clear Prt1 Prt2 _______________________ NOTE: The configuration options described in this table are made available by selecting Prt1, Prt2, Prt3, or Prt4 from this Channel Config screen. about the operation of Display and Clear, refer to the Operation .
  • Page 97 ACCULINK 336x E1 NTU Data Port Channel Configuration Options Port Rate: 384 Next 1152 1216 1280 1344 1408 Data Port Rate (appears when using the block channel allocation method, or when a synchronous data port is assigned to another synchronous data port). Designates the data rate for the port. The base rate is Nx64.
  • Page 98 Data Port Channel Configuration Options Next – – – – – Next – – – – – Data Port Channel Allocation (appears for the individual channel method only). Designates the DS0 channel to allocate to this port (N1–N31 for the network interface and D1–D31 for the G.703 DTE interface). Line 1 displays the 31 channels for the network interface or the G.703 DTE interface.
  • Page 99: General Configuration Options

    ACCULINK 336x E1 NTU General Configuration Options Pri Clk Src: NET Next Prt1 Prt2 Primary Clock Source. Specifies the primary clock source for the E1 NTU. This selection synchronizes all internal timing and external interface clocks. Failure of the clock specified by this selection results in automatic fallback to the secondary clock source.
  • Page 100 User Interface Configuration Options Self-Test: Enab Next Enab Disab Prev Initial Self-Test. Specifies whether the E1 NTU performs a device self-test at power-up and after a device reset. Enab – Enables a self-test. Disab – Disables the self-test. Com Use: ASCII Next SNMP ASCII...
  • Page 101 ACCULINK 336x E1 NTU 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. 4.8 – Sets the bit rate to 4800 bps.
  • Page 102 Ignore DTR: No Next Prev Communication Port Ignore DTR State. Specifies whether the E1 NTU ignores the state of the Data Terminal Ready (DTR) input to the communication port. Yes – DTR is ignored. No – DTR is not ignored. NOTE: This configuration option is not available if the communication port is configured for synchronous operation.
  • Page 103 ACCULINK 336x 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 Enab –...
  • Page 104 SNMP Configuration Options The SNMP configuration options are divided into two tables as follows: General SNMP Configuration Options SNMP Trap Configuration Options System Name: Next Edit Clear Prev System Name. Specifies the SNMP system name for this unit. This is the name of this SNMP-managed node. Edit –...
  • Page 105 ACCULINK 336x E1 NTU 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 106 Com IP Adr: Next Edit Clear Prev Com Port IP Address. Specifies the IP address for the communication port when it is configured as the SNMP management link. The IP address is only in effect when the Com Use configuration option is set to SNMP or Daisy. Edit –...
  • Page 107 ACCULINK 336x E1 NTU 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 108 Num Trap Mgrs: 1 Next Prev Number of Trap Managers. Specifies the number of SNMP trap managers that are to receive traps for this unit. NOTE: You must configure an IP address for each trap manager that is to receive trap messages. Trap n IP Adr: Next Edit...
  • Page 109 ACCULINK 336x 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 110: Configuration Worksheets

    Configuration Worksheets This section contains one set of blank worksheets to be used when configuring your E1 NTU in the network. It is recommended that you copy these blank worksheets before using them. DTE Options Value DTE Port Enab, Disab DTE Frame CRC4, noCRC DTE Coding...
  • Page 111 ACCULINK 336x E1 NTU Prt1 Options Value Port Type E530, V.35, RS449, X.21 NetDCLB Enab, Disab Port LB Disab, DTLB, DCLB, Both All Ones Disab, DTR, RTS, Both Rcv RAI None, Halt Tx Clock Int, Ext InvertTxC Enab, Disab InvrtData...
  • Page 112 Network Interface Network Channel Allocations D1 – D31 indicates allocation to DTE (G.703) channels. Prt1 – Prt4 indicates allocation to synchronous data ports. 3360-A2-GB20-20 Allocation G.703 Channel Allocations N1 – N31 indicates allocation to network channels. Prt1 – Prt4 indicates allocation to synchronous data ports.
  • Page 113 ACCULINK 336x E1 NTU Port Chan Options Conf Assign To Assign By If Assign By Block Port 1 If Assign By Chan Assign To Assign By If Assign By Block Port 2 If Assign By Chan C-26 NET, DTE, Prt2, Prt3, Prt4...
  • Page 114 Port Chan Options Conf Assign To Assign By If Assign By Block Port 3 If Assign By Chan Assign To Assign By If Assign By Block Port 4 If Assign By Chan 3360-A2-GB20-20 NET, DTE, Prt1, Prt2, Prt4 Block, Chan Port Rate Nx64: 64, 128, 192, 256, 320, 384, 448, 512, 576, 640, 704, 768, 832, 896, 960, 1024, 1088, 1152,...
  • Page 115 ACCULINK 336x 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 116 For cable feature numbers, refer to Appendix H, Equipment List. This appendix describes the connector pin assignments for the E1 NTU, Paradyne cables, and customer-supplied cables. 3360-A2-GB20-20 Pin Assignments ........... . .
  • Page 117 ACCULINK 336x 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 118: Aux Port Interface

    AUX Port Interface The Auxiliary (AUX) port connects to the SNMP LAN Adapter for SNMP applications, or to another E1 NTU’s COM port for daisy chain connectivity. (The SNMP LAN Adapter includes the cable that is needed to attach it to the E1 NTU.) The AUX port connector is an 8-pin modular connector (Table...
  • Page 119 ACCULINK 336x 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 120 Pin Assignments Figure D-2. COM Port-to-PC Cable Figure D-3. COM Port-to-Terminal/Printer Cable 3360-A2-GB20-20 December 1996...
  • Page 121: Eia 530A Port Interface Connector

    ACCULINK 336x E1 NTU EIA 530A Port Interface Connector The EIA 530A Port interface connector information is shown in Table D-5. Signal Shield Signal Common Signal Common Transmitted Data Received Data Request-to-Send Clear-to-Send Received Line Signal Detector DCE Ready DTE Ready...
  • Page 122 EIA 530A-to-RS449 Cable Interface The EIA 530A-to-RS449 adapter cable provides the RS449 interface shown in DB25 SIGNAL PLUG SHIELD TD-A TD-B RD-A RD-B TXC-A TXC-B RXC-A RXC-B RTS-A RTS-B CTS-A CTS-B RLSD-A RLSD-B SIG. COMMON RCV. COMMON TT-A TT-B SIG. COMMON 3360-A2-GB20-20 (Figure D-4)
  • Page 123 ACCULINK 336x E1 NTU Signal Shield Signal Ground Receive Ground Send Common Send Data Receive Data Request-to-Send Clear-to-Send Receiver Ready Data Mode Terminal Ready Terminal Timing Send Timing Receive Timing Local Loopback Remote Loopback Test Mode Table D-6 RS449 Cable Interface...
  • Page 124 EIA 530A-to-V.35 Cable Interface The EIA 530A-to-V.35 adapter cable provides the V.35 interface shown in Table DB25 SIGNAL PLUG SHIELD TD-A TD-B RD-A RD-B TXC-A TXC-B RXC-A RXC-B RLSD SIG. COMMON TT-A TT-B 3360-A2-GB20-20 (Figure D-5) D-7. Figure D-5. EIA 530A-to-V.35 Cable December 1996 Pin Assignments V.35...
  • Page 125 ACCULINK 336x E1 NTU Signal Shield Signal Common Transmitted Data Received Data Request-to-Send Clear-to-Send Data Channel Received Line Signal Detector Data Set Ready Data Terminal Ready Transmit Signal Element Timing (DTE Source) Transmit Signal Element Timing (DCE Source) Receiver Signal Element Timing (DCE Source)
  • Page 126 EIA 530A-to-X.21 Cable Interface The EIA 530A-to-X.21 adapter cable provides the X.21 interface shown in Table DB25 SIGNAL PLUG TD-A TD-B RD-A RD-B RXC-A RXC-B RTS-A RTS-B RLSD-A RLSD-B SIG. COMMON TT-A TT-B 3360-A2-GB20-20 (Figure D-6) D-8. Figure D-6. EIA 530A-to-X.21 Cable December 1996 Pin Assignments X.21...
  • Page 127 ACCULINK 336x E1 NTU Signal Signal Common Transmitted Data Received Data Request-to-Send Data Channel Received Line Signal Detector Transmit Signal Element Timing (DTE Source) Receiver Signal Element Timing (DCE Source) D-12 Table D-8 X.21 Cable Interface CCITT Number December 1996 Direction —...
  • Page 128: Power Input Connector

    Power Input Connector The input power connector leads are shown in Table D-9. Table D-9 DC Power Connector Signal – 48 Vdc Return – 48 Vdc A – 48 Vdc B +24 Vdc +24 Vdc Return Chassis Ground 3360-A2-GB20-20 Optional DC Power Cable The power cable is a 14.5-foot, 18 AWG stranded cable.
  • Page 129: External Clock Interface

    ACCULINK 336x E1 NTU External Clock Interface The External Clock connector pinouts are in Table D-10. A cable diagram is shown in Figure customer-supplied cable. D-14 D-8. This is a Shield Clock (+) (RS422 only) Clock (–) (RS422 only) Clock In (RS423 only) Signal Common Figure D-8.
  • Page 130 Generic Interface Test Table, Generic Interface MIB Paradyne Enterprise MIB .............
  • Page 131 ACCULINK 336x E1 NTU IP Group Supported. 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 132 Interface Group – “ifIndex” Object (ifEntry 1) This object provides the index into the ifTable and typically into tables in other MIBs also. The values of the ifIndex object do not vary between models even though not all indexes are supported for a particular model. When an unsupported index is accessed, “noSuchName”...
  • Page 133 ACCULINK 336x E1 NTU Interface Group – “ifMtu” Object (ifEntry 4) This object identifies the largest datagram that can be sent or received on the interface. It is applicable only to the interface configured as the SNMP management link. This object is zero for all other interfaces.
  • Page 134 Interface Group – “ifLastChange” Object (ifEntry 9) This object contains the value of “sysUpTime” at the time the interface entered its current operational state. For the E1 NTU, this object is only updated for the “up” and “down” states. This is done since the “testing” state is not mutually exclusive with the “up”...
  • Page 135 ACCULINK 336x E1 NTU IP Group – “ipRouteTable” Object (ip 21) The routing table used by the E1 NTU is supported as a read/write table. Entries in this table may be added, deleted, or changed. You should exercise great caution when adding or modifying routes in the ipRoutingTable.
  • Page 136 IP Group – “ipRouteProto” Object (ipRouteEntry 9) This object is a read-only object and may have the following values in the E1 NTU. other(1) – Temporary route added by IP. local(2) – Route added or modified as a result of user configuration via the front panel.
  • Page 137 ACCULINK 336x E1 NTU DS1/E1 MIB (RFC 1406) The “ds1” object defined by RFC 1406 is supported for both the network and G.703 DTE interfaces. The DS1 Near End Group and DS1 Fractional Group are supported for both interfaces. The DS1 Far End Group is not supported.
  • Page 138 Near End Group – “dsx1LoopbackConfig” Object (dsx1ConfigEntry 9) This object specifies the loopback state of the E1 interfaces. Only the following values are supported by the E1 NTU. dsx1NoLoop(1) – The E1 interface is not in a loopback state. dsx1PayloadLoop(2) – Specifies that a Payload Loopback (PLB) is active for the network interface or a Repeater Loopback (RLB) is active for the G.703 DTE interface.
  • Page 139 ACCULINK 336x E1 NTU Near End Group – The DS1 Current Table Objects (dsx1CurrentEntry) The following DS1 current table objects are provided for the network interface only. Objects in the table that are not listed are not supported and will return an error status if access is attempted.
  • Page 140 When time-slot 16 is reserved for signaling, allocated DTE channels must be mapped to the corresponding network channels (e.g., D1 to N1, etc.), otherwise an error is returned to the SNMP manager. When time-slot 16 is using Channel-Associated Signaling (CAS), allocated DTE channels can be mapped to any other corresponding network channels (e.g., D1 to N3, D5 to N7, etc.).
  • Page 141 ACCULINK 336x E1 NTU synchronous data ports and 0 for the AUX and COM ports. General Port Table – “rs232PortOutSigNumber” Object (rs232PortEntry 4) This object contains the number of output signals contained in the output signal table. This is the number of signals that can be asserted.
  • Page 142 Synchronous Port Table, RS-232-like MIB The synchronous port table contains an entry for each of the synchronous data ports and 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 143 ACCULINK 336x E1 NTU Generic Interface Test Table, Generic Interface MIB The test table provides access to additional tests (loopbacks and pattern tests) that are not in the interfaces group of MIB II. Generic Interface Test Table – “ifExtnsTestType” Object (ifExtnsTestEntry 4) This object is a control variable used to start and stop operator-initiated tests on the interface.
  • Page 144 Paradyne Enterprise MIB The variable devConfigAreaCopy under the devConfigAreaCopy group in the common area of the Paradyne Enterprise MIB will be supported. This variable allows the entire contents of one configuration area to be copied into another configuration area. Only the following values are supported by the E1 NTU.
  • Page 145 ACCULINK 336x 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 146 SNMP MIB to Front Panel Command Cross-Reference Front Panel Command Stat–>Tstat: LLB Test Active PLB Test Active RLB Test Active DLB Test Active DCLB on Port n DTLB on Port n 32767 Test Active 1–8 Test Active QRSS on Port n 511 on Port n Mon QRSS, Port n Mon511, Port n...
  • Page 147 ACCULINK 336x E1 NTU SNMP MIB to Front Panel Command Cross-Reference Front Panel Command Test–>Lpbk–>DCLB–>Prt n Test–>Lpbk–>Abort–>DCLB–>Prt n Test–>Lpbk–>DTLB–>Prt n Test–>Lpbk–>Abort–>DTLB–>Prt n Test–>Ptrns–>Send–>QRSS–>Prt n Test–>Ptrns–>Abort–>Send–>Prt n Test–>Ptrns–>Send–>32767 Test–>Ptrns–>Abort–>Send–>NET Test–>Ptrns–>Send–>1in8 Test–>Ptrns–>Abort–>Send–>NET Test–>Ptrns–>Send–>511–>Prt n Test–>Ptrns–>Abort–>Send–>Prt n Test–>Ptrns–>Mon–>QRSS–>Prt n Test–>Ptrns–>Abort–>Mon–>Prt n Test–>Ptrns–>Mon–>511–>Prt n Test–>Ptrns–>Abort–>Mon–>Prt n...
  • Page 148 SNMP MIB to Front Panel Command Cross-Reference Front Panel Command Cnfig–>Activ–>Edit–>Chan–>DTE–>Assign Cnfig–>Activ–>Edit–>Chan–>DTE–>TS16 Cnfig–>Activ–>Edit–>Chan–>Prt n –>Assign To Cnfig–>Activ–>Edit–>Chan–>Dsply Cnfig–>Activ–>Edit–>Chan–>Prt n –>Port Rate Cnfig–>Activ–>Edit–>Gen–>Pri Clk Src Cnfig–>Activ–>Edit–>Gen–>Sec Clk Src 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 3360-A2-GB20-20 Table E-1 (4 of 4) SNMP MIB Object Set/Display dsx1FracNumber and dsx1FracIfindex for DTE E1 Display dsx1SignalMode for DTE E1 to none or bitOriented or...
  • Page 149 IP Network Addressing Scenario Overview ................IP Network Addressing .
  • Page 150 ACCULINK 336x E1 NTU 135.18.1.2 135.18.1.3 135.18.1.4 135.18.1.5 Figure F-1. Daisy-Chained Standalone Devices at the Central Site ETHERNET 135.18.40.1 NETWORK ADAPTER SUBNET 135.18.1.0 135.18.1.7 135.18.1.6 December 1996 SUBNET 135.18.40.0 AUX/COM IP ADDRESS: 135.18.40.2 135.18.1.1 135.18.1.1 496-14645-03 3360-A2-GB20-20...
  • Page 151: Front Panel Emulation

    Overview ................Installing Front Panel Emulation Software Starting Front Panel Emulation Overview...
  • Page 152: Starting Front Panel Emulation

    ACCULINK 336x 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 153 Equipment Model 3360 E1 NTU Model 3364 E1 NTU Model 3365 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 DB25 EIA 530A-to-RS449/422 Cable DB25 EIA 530A-to-V.35 Cable DB25 EIA 530A-to-X.21 Cable Wall-Mount/Rack-Mount Adapter 3360-A2-GB20-20...
  • Page 154 Activ adapter address agent (SNMP) aggregate application ASCII ASCII terminal/printer asynchronous data authenticationFailure trap AUX port bandwidth bipolar signal block allocation method 3360-A2-GB20-20 Glossary Active configuration area. The configuration option set that is currently active for the device. Before a configuration option set becomes active, you must save the set to the Active configuration area.
  • Page 155 ACCULINK 336x E1 NTU byte CCITT CEPT channel channel allocation CHAP character CID branch client CLOCK IN interface ClrReg branch Cnfig branch coaxial cable coding COMCODE COM port community name configuration configuration option control unit CPU fail Glossary-2 Bayonet-Neill-Concelman. A bayonet-type connector for coaxial cables.
  • Page 156 CRC4 CRC5 CRC6 Ctrl branch Cust1 Cust2 daisy chaining database data port DB15 connector DB25 connector DCLB default DevFail DevHS branch device digital signal diskette DL branch download downstream device drop/insert 3360-A2-GB20-20 Cyclic Redundancy Check. A mathematical method of confirming the integrity of received digital data.
  • Page 157 Electronic Industries Association. An organization providing standards for the data communication industry. An EIA standard for a high-speed, 25-position, DCE/DTE interface. MIB objects unique to Paradyne devices. A trap unique to Paradyne devices. A discrepancy between a measured or computed value or condition and the true or specified value or condition.
  • Page 158 framing Generic-Interface Extension Get command (SNMP) ground G.703 G.703 DTE interface G.704 HDB3 HDLC HDSL host ICMP ID branch interface Internet internetwork IP address kbps link link layer protocol 3360-A2-GB20-20 A technique that separates bits into identifiable groups. An extension to MIB II that defines additional objects for control of generic interfaces in MIB II.
  • Page 159 ACCULINK 336x E1 NTU link trap local loop LOFC loopback test Lpbk branch manager (SNMP) Mbps menu tree MIB II module multiframe multiplex network network interface node object (SNMP) option Glossary-6 A trap that identifies the condition of the communications interface (linkDown or linkUp traps).
  • Page 160 parity payload Perf branch port PORT (1– 4) interface POWER connector power-up self-test PRBS primary clock protocol Ptrns branch pulse density QRSS Test register Rel branch 3360-A2-GB20-20 A way of checking data accuracy by counting the number of bits that have a value of one.
  • Page 161 ACCULINK 336x E1 NTU reset RJ48C Rlpbk branch router RS-232 RS-232-like MIB RS-449 secondary clock self-test server Set command (SNMP) SLIP SNMP Stat branch STest branch StEvnt subnet subnet mask synchronous data TCP/IP Glossary-8 A reinitialization of the E1 NTU that occurs at power-up or in response to a reset command.
  • Page 162 time slot trap (SNMP) tributary unit TStat branch TS16 V.24 V.35 V.54 V.54 Loop 2 V.54 Loop 3 warmStart trap XTXC X.21 1in8 Test 2B1Q 511 Test 32767 Test 3360-A2-GB20-20 The allocated DS0 channel slot when DS0 channels are combined to form an aggregate bit stream.
  • Page 163 abort lamp test, 4-25 loopback, 4-20–4-21 test patterns, 4-23–4-24 ac power module, 1-5, B-1 Activ (Active) configuration area functional description, 3-11 in the menu tree, A-1 addressing. See IP (Internet Protocol) addressing agent, SNMP, 1-2 AIS (Alarm Indication Signal) condition ASCII terminal/printer message, 4-10 Device Health and Status message, 4-3 front panel LED indication, 3-5, 3-6...
  • Page 164 ACCULINK 336x E1 NTU DTE Interface, C-2 General, C-12 Network Interface, C-7 Port, C-3–C-6 SNMP, C-17–C-22 User Interface, C-13–C-15 worksheets, C-23–C-28 connectors, rear panel cabling examples, 2-8 functional description, 1-5 physical description, 1-4 pin assignments, D-1–D-14 CPU failure message, 4-2...
  • Page 165 Gen (General) Configuration branch example of use, 3-34–3-35 in the menu tree, A-1 option table, C-12 option worksheet, C-23 HDB3 (High Density Bipolar 3) coding configuration option, C-2 Self-Test Health message, 4-2 HDSL (High bit-rate Digital Subscriber Line) branch example of use, 4-5 in the menu tree, A-1 HDSL network.
  • Page 166 ACCULINK 336x E1 NTU NET (Network) Configuration branch example of use, 3-12 in the menu tree, A-1 option table, C-7 option worksheet, C-23 network interface cabling example, 2-8 channel allocation procedure, 3-20–3-27 configuration options, C-7 failure message, 4-2 front panel LED indications, 3-5...
  • Page 167 Reset branch example of use, 3-36 in the menu tree, A-1 Rlpbk (Remote Loopback) branch example of use, 4-15 in the menu tree, A-1 RMA (Remote Multiframe Alarm) condition ASCII terminal/printer message, 4-10 Device Health and Status message, 4-4 router applications, 2-2 RS-449 interface, D-8 RX network connector, 1-5 RX shield, 1-5...
  • Page 168 ACCULINK 336x E1 NTU UAS (Unavailable Seconds) report, 4-8 User Configuration branch example of use, 3-14–3-15 in the menu tree, A-1 option table, C-13–C-15 option worksheet, C-23 user interface, acquiring/releasing, 3-35–3-36 V.35 interface, D-10 V.54 Loop 2. See data channel loopback (DCLB) V.54 Loop 3.

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