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Paradyne 3360 User Manual

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  • 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 336x E1 Network Termination Unit Operator’s Guide Document No. 3360-A2-GB20-10 P a r a dyn e Printed on recycled paper June 1996...
  • Page 3 ACCULINK 336x E1 NTU ACCULINK 336x E1 Network Termination Unit Operator’s Guide 3360-A2-GB20-10 1st 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. 3360-A2-GB20-10 June 1996 Important Instructions...
  • Page 5 TO USERS OF DIGITAL APPARATUS IN CANADA: THIS CLASS A DIGITAL APPARATUS MEETS ALL REQUIREMENTS OF THE CANADIAN INTERFERENCE-CAUSING EQUIPMENT REGULATIONS. CET APPAREIL NUMÉRIQUE DE LA CLASSE A RESPECTE TOUTES LES EXIGENCES DU RÉGLEMENT SUR LE MATÉRIEL BROUILLEUR DU CANADA. WARNING WARNING June 1996 3360-A2-GB20-10...
  • 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. 3360-A2-GB20-10 International AT&T Paradyne Corporation C/O Sack &...

  • Page 7: Table Of Contents

    Preface Introduction Installation Operation 3360-A2-GB20-10 Objectives and Reader Assumptions ......Related Documents ........
  • Page 8 ........June 1996 4-10 4-11 4-12 4-14 4-15 4-15 4-16 4-21 4-24 4-25 ......3360-A2-GB20-10...

  • Page 9: Preface

    Network Management Protocol (SNMP) if you want your E1 NTU to be managed by an SNMP manager. Related Document 7800-A2-GB20 ACCULINK 3100 Series Open Management Application for HP OpenView User’s Guide 3360-A2-GB20-10 Preface Reference Documents CSA-22.2 No. 950-M89 CSA 108-M1983 FCC Part 15 UL 1950 Management Information Base for Network Management of TCP/IP-Based Internets: MIBII.

  • Page 10: Introduction

    NTUs have one to four EIA 530A synchronous data ports that may be configured for rates of 64 kbps to 1984 kbps. The 336x Series consists of a Model 3360 NTU (2-port), a Model 3364 NTU (4-port), and a Model 3365 NTU (1-port).
  • Page 11 It uses the spare bit S in time-slot zero as defined in ITU Recommendation G.704. EDL provides the ability to detect and synchronize on a framing pattern, provides cyclic redundancy checking (CRC), and maintains near-end and far-end performance statistics. June 1996 3360-A2-GB20-10...

  • Page 12: 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)
  • Page 13 NOT BE CONNECTED TO HDSL NETWORK CLOCK IN G.703 PORT RX SHIELD OPEN EARTH PORT 3 PORT 1 Figure 1-2. Model 3360 Rear Panel G.703 PORT RX SHIELD OPEN EARTH PORT 3 PORT 1 Figure 1-3. Model 3364 Rear Panel...
  • Page 14 Rear Panel Connectors and Switches 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-GB20-10 RX SHIELD PORT 1 OPEN EARTH PORT G.703 Figure 1-4. Model 3365 Rear Panel...

  • Page 15: Installation

    ROUTER Figure 2-1. Shared Access Application Example 3360-A2-GB20-10 Installation ..........
  • Page 16 P a r a dyn e DSU/CSU ROUTER Figure 2-3. Fractional E1 Application Example NETWORK HDSL HDSL HDSL FRACTIONAL NETWORK DSU/CSU June 1996 P a r a dyn e ROUTER 495-14735 ROUTER P a r a dyn e ROUTER 495-14737 3360-A2-GB20-10...

  • Page 17: Snmp Connection Examples

    Figure 2-4. Direct Connection to an SNMP Manager SNMP ETHERNET Figure 2-5. Connection through a Router to SNMP 3360-A2-GB20-10 Daisy chaining the COM port of one device to the AUX port of the other to provide SNMP connectivity (Figure 2-7).
  • Page 18 P a r a dyn e SNMP HDSL P a r a dyn e SNMP ROUTER HDSL P a r a dyn e SNMP ADAPTER ROUTER HDSL P a r a dyn e SNMP ADAPTER June 1996 NETWORK 495-14740 NETWORK 495-14741 ETHERNET 495-14742 3360-A2-GB20-10...

  • Page 19: Important Instructions

    Support office. NTU POWER PLUG Figure 2-9. +24 Vdc Power Supply Pinouts 3360-A2-GB20-10 Optional Power Sources The E1 NTU is typically powered by the ac power module. Use the following procedures only if you want to use an optional dc power source.
  • Page 20 4. Cut the white wire off at the outer insulation. 5. Plug the power connector into the E1 NTU. TO CUSTOMER-SUPPLIED BATTERY BLACK –48 VDC RETURN GREEN EARTH GROUND WHITE ORANGE –48 VDC INPUT BLUE CABLE NUMBER 3100-F1-520 June 1996 495-14744 3360-A2-GB20-10...
  • Page 21 A. NTU POWER PLUG Figure 2-11. – 48 Vdc Redundant Source Power Supply Pinouts 3360-A2-GB20-10 3. Connect the green wire to a suitable earth ground. 4. Connect the orange wire to the – 48 Vdc input source B. 5. Connect the blue wire to the – 48 Vdc input source A.

  • Page 22: Cabling Examples

    NOT BE CONNECTED TO HDSL NETWORK CLOCK IN TO DC POWER 3100-F1-520 (OPTIONAL) SNMP MANAGER Figure 2-12. Cabling Examples June 1996 NOTE HDSL HDSL NETWORK G.703 HDSL PORT PORT NETWORK RX SHIELD OPEN EARTH PORT 3 PORT 4 PORT 1 PORT 2 3100-F1-540 495-14746 3360-A2-GB20-10...

  • Page 23: Power-Up Self-Test

    FAIL TEST SIG1 SIG2 OOF ALRM SIG NETWORK 3360-A2-GB20-10 If the self-test fails, the Failed screen appears for five seconds. The Fail LED lights, and an eight-digit failure code (xxxxxxxx) is displayed for use by AT&T Paradyne personnel to determine the cause of the self-test failure.

  • Page 24: Operation

    ..............3360-A2-GB20-10 Operation .

  • Page 25: Overview

    E1 NTU front panel on an attached PC (see Appendix G, Front Panel Emulation ). FAIL TEST SIG1 SIG2 OOF ALRM NETWORK LEDs Figure 3-1. E1 NTU Front Panel June 1996 NOTE KEYPAD ALRM PDV 495-14728 3360-A2-GB20-10...

  • Page 26: Lcd

    Function keys (F1, F2, F3); make your choice by pressing the corresponding Function key. 3360-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 27: Test Jacks

    The twelve front panel LEDs are grouped into four sections to indicate the status of the: System (Table 3-1) Network interface (Table 3-2) G.703 DTE Port (Table 3-3) Data Ports (Table 3-4) June 1996 ALRM SIG ALRM PDV NETWORK 495-14749 3360-A2-GB20-10...
  • Page 28 ALRM Yellow Indicates whether an alarm condition exists on the received network signal. ON : OFF : 3360-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 29 No PDVs were detected on the received G.703 DTE signal during the sampling period. At least one BPV was detected (and corrected) on the received G.703 DTE signal during the sampling period. No BPVs were detected on the received G.703 DTE signal during the sampling period. June 1996 3360-A2-GB20-10...
  • Page 30 Yellow Monitors the state of interchange circuit CA (CCITT 105) – Request-to-Send received from the synchronous data DTE. ON : OFF : 3360-A2-GB20-10 Table 3-4 Data Port LEDs Meaning DTR is being asserted by the synchronous data DTE. DTR is not being asserted.

  • Page 31: Displaying Unit Identity

    June 1996 key. Identity: Ser= xxxxxxx Identity: Mod= xxxx - xx - xxx Identity: Cust ID= xxxxxxxx Identity: SRev= xx . xx . xx Identity: CCA1= xxxx - xxx Identity: CCA2= xxxx - xxx Identity: CCA3= xxxx - xxx 3360-A2-GB20-10...
  • Page 32 Cnfig Ctrl 3. From the Control screen, press the the CID selection appears on the screen. Control: ClrReg 3360-A2-GB20-10 4. Select CID. key until 5. Use the under the desired character. You must enter a character before the next space to the right.

  • Page 33: Displaying Led Conditions

    ON, while an underscore indicates the condition is Off. key until the 5. Use the onto the screen. June 1996 Select LEDs: Prt1 Prt2 LED Display: _Test _NetSig1 Port n LEDs: _DTR _TXD keys to scroll LED names 3360-A2-GB20-10...

  • Page 34: Selecting The G.703 Dte Or Data Port For Led Display

    E1 NTU; invalid combinations of configuration options do not appear. For example, menus displayed for the Model 3360 (2 ports) and the Model 3364 (4 ports) differ due to the number of ports available. Also, if the G.703 DTE interface selection is disabled, many of the menu choices do not appear.

  • Page 35: Displaying/Editing Configuration Options

    5. Press the appropriate Function key to choose another value. Use the scroll keys, if necessary. 6. Use the Save procedure to save your changes to the Active or Customer area. June 1996 Load from: Activ Cust1 Choose Funct: Edit Save Edit: Port HDSL Mode:NTU Next 3360-A2-GB20-10...

  • Page 36: Saving Edit Changes

    Save Edit to: Activ Cust1 3360-A2-GB20-10 Selecting/Copying to a Specific Port For the E1 NTU, you have the capability of selecting a specific port to configure, and then (for 2-port and 4-port E1 NTUs) copying the configuration options from that port to another port (or to all ports).

  • Page 37: Configuring The E1 Ntu For Snmp Management

    Function key. Use the scroll keys, if necessary. 3. Select Edit. 4. From the Edit screen, press the User selection appears on the screen. 5. Select User. 6. Press F1 (Next) until the Com Use configuration option appears. June 1996 key until the Edit: Chan User 3360-A2-GB20-10...

  • Page 38: Setting The Ip Address

    SNMP selection appears on the screen. 5. Select SNMP. Edit: User Alarm SNMP 3360-A2-GB20-10 6. From the SNMP Config screen, select Gen. 7. Press F1 (Next) until the Com IP Adr configuration option appears. Steps 8 and 9 describe the process for entering the Com IP address.

  • Page 39: Selecting The Link Layer Protocol

    6. From the SNMP Config screen, select Gen. 7. Press F1 (Next) until the Com Link configuration option appears. 8. Press F2 (PPP) or F3 (SLIP). June 1996 key until the Edit: User Alarm SNMP SNMP Config: Trap Com Link: Next SLIP 3360-A2-GB20-10...

  • Page 40: Specifying The Community Name(S) And Access Type(S)

    SNMP Config: Trap 7. Press F1 (Next) until the CommunityName1 configuration option appears. 3360-A2-GB20-10 8. Press F2 (Edit) to edit the community name. The factory default community name is public. Steps 9 and 10 describe the process for entering text strings for SNMP configuration options.

  • Page 41: Configuring Snmp Traps

    5. Select Alarm. 6. Press F1 (Next) until the SNMP Trap configuration option appears. 7. Press F2 (Enab) to enable trap messages over the SNMP management link. June 1996 key until the Edit: User Alarm SNMP SNMP Trap: Next Enab Disab 3360-A2-GB20-10...

  • Page 42: Selecting The Number Of Trap Managers

    (from 1 through 6) by using the appropriate Function key. Use the scroll keys, if necessary. Num Trap Mgrs:1 Next 3360-A2-GB20-10 Configuring a Destination for SNMP Traps A destination must be configured for each SNMP trap manager specified. This configuration option is displayed for the number of trap managers specified by the Number of Trap Managers configuration option.

  • Page 43: Configuring Ds0 Channels

    3-11, circle the configuration options needed to implement the logical channel configuration. Once you have completed the worksheets, enter this information using the procedures in the Allocating Data Ports section on page 3-28. Configuration options are listed in Appendix C. June 1996 NOTE NOTE 3360-A2-GB20-10...
  • Page 44 NETWORK INTERFACE Figure 3-6. Example of Channel Allocation with TS16 Reserved for Common-Channel Signaling 3360-A2-GB20-10 G.703 DTE INTERFACE (N1-D1, N2-D2, ETC.) AUTOMATIC ALLOCATION PORTS PRT 1 PRT 2 PRT 3 PRT 4 496-14880 June 1996 Operation 3-21...
  • Page 45 Prt1 – Prt4 indicates allocation to synchronous data ports. Figure 3-7. Example of Interface Worksheet with TS16 Reserved for Common Channel Signaling 3-22 G.703 DTE Interface G.703 Channel Allocations N1 – N31 indicates allocation to network channels. June 1996 Allocation 3360-A2-GB20-10...
  • Page 46 NETWORK INTERFACE Figure 3-8. Example of Channel Allocation with TS16 Available for Data 3360-A2-GB20-10 G.703 DTE INTERFACE PORTS PRT 1 PRT 2 PRT 3 PRT 4 496-14879 June 1996 Operation 3-23...
  • Page 47 (G.703) channels. Prt1 – Prt4 indicates allocation to synchronous data ports. Figure 3-9. Example of Interface Worksheet with TS16 Available for Data 3-24 G.703 DTE Interface G.703 Channel Allocations N1 – N31 indicates allocation to network channels. June 1996 Allocation 3360-A2-GB20-10...
  • Page 48 If Assign By Block Port 2 If Assign By Chan Figure 3-10. Port Channel Configuration Worksheet (Ports 1 and 2) 3360-A2-GB20-10 NET, DTE, Prt2, Prt3, Prt4 Block, Chan Port Rate Nx64: 64, 128, 192, 256, 320, 384, 448, 512, 576,...
  • Page 49 Time Slot (N n or D n ): 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, 26, 27, 28, 29, 30, 31 (Select Multiple) June 1996 Value 3360-A2-GB20-10...

  • Page 50: Displaying Ds0 Channel Assignments

    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. 3360-A2-GB20-10 3. Select Edit. 4. From the Edit screen, press the Chan selection appears on the screen.

  • Page 51: Allocating Data Ports

    4. From the Edit screen, press the Chan selection appears on the screen. 5. Select Chan. 6. From the Channel Config screen, press the key to scroll the ports onto the screen. June 1996 key until the Edit:DTE Port Chan Channel Config: Dsply Clear 3360-A2-GB20-10...

  • Page 52: Block Channel Assignment Method

    1. Press F2 (Block). Assign By: Next Block Chan 3360-A2-GB20-10 2. Press F1 (Next) to display the next configuration option (Port Rate). 3. Use the rate onto the screen. Rates scroll in groups of three. Available selections depend on the current base rate selected for the port.

  • Page 53: Individual Channel Assignment Method

    3. Select Edit. 4. From the Edit screen, press the Chan selection appears on the screen. 5. Select Chan. 6. From the Channel Config screen, select DTE. June 1996 key until the Edit: Port Chan Channel Config: Dsply Clear 3360-A2-GB20-10...
  • Page 54 DTE Channels screen. TS16:Data Data Rsvd 3360-A2-GB20-10 10. From the DTE Channels screen, select Assign. 11. Press the Function key below the network channel desired. Each time that you press the Function key, the DTE channel number will scroll up one number.

  • Page 55: Clearing Ds0 Channel Allocation

    Or, select DTE to clear all DS0 channels assigned to the G.703 DTE interface. Or, select a port to clear all assignments for that data port. key until the June 1996 Channel Config: Dsply Clear Clear Channel: Port1 3360-A2-GB20-10...

  • Page 56: Selecting The Timing Source

    EQUIPMENT CLOCK: PORT 1, 2, 3, OR 4 Figure 3-12. Common Clocking Configurations 3360-A2-GB20-10 The clock source configuration options enable you to select either the network interface, a synchronous data port, the internal clock, the G.703 DTE interface, or an external clock.

  • Page 57: Configuring For Network Timing

    6. Select the primary clock source. For external, press the on the screen. 7. Select Ext (external timing). June 1996 key until the Edit: Chan key until the Ext selection appears Pri Clk Src:NET Next Pri Clk Src:NET Prt n 3360-A2-GB20-10...

  • Page 58: Acquiring/Releasing The User Interface

    E1 HDSL NTU Stat Test Cnfig 3360-A2-GB20-10 The inactive interface displays the following message when a Function key is pressed or a connection is made on the inactive user interface and control cannot be switched because the currently active interface is in use.

  • Page 59: Resetting The E1 Ntu

    Control screen without initiating a reset. Download Operations The Download command is for use by AT&T Paradyne personnel only. Loss of primary data could result from improper use. June 1996 key until Control: ClrReg Control: ClrReg Reset Device Reset: NOTE 3360-A2-GB20-10...
  • Page 60 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. 3360-A2-GB20-10 June 1996 Operation 3-37...

  • Page 61: Maintenance

    These features ensure that your E1 NTU is giving you optimum performance in your network. 3360-A2-GB20-10 Maintenance ............

  • Page 62: Self-Test Health

    2. From the Status screen, select STest. 3. View the results of the last power-up self-test. If no problems were found during power-up, the following message appears. Table 4-1 Self-Test Health Messages Description June 1996 Status: HDSL DevHS STest SelfTst Health: Passed 3360-A2-GB20-10...

  • Page 63: 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 3360-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 64 LTU Operational This message only appears if the unit is configured as an LTU and there are no valid alarm or status messages. Table 4-2 (2 of 2) Health and Status Messages Description June 1996 ) for 5 seconds. 3360-A2-GB20-10...

  • Page 65: Hdsl Loop Performance

    Lp2 Loss= xx The loop 2 loss value ( xx ) is 0 to 40. (See the Lp1 Loss description above.) 3360-A2-GB20-10 HDSL messages appear on Line 2 of the LCD. The E1 NTU is polled for current status every ten seconds.

  • Page 66: Performance Reports

    (go to Step 7), press F2 to view 24-Hour Totals (go to Step 8), or press F3 to view 15-Minute Interval Registers (go to Step 9). June 1996 key until the Status: DevHS STest Perf Performance: Prt1 NET Registers: E1 Registers: 24Tot Intvl 3360-A2-GB20-10...
  • Page 67 Use the scroll keys to view additional register information. E1 Intvl: xx ES= xxx 3360-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 68 24 hours for aggregate performance and 8 hours for port performance. The total number of bursty errored seconds for the previous x hours, where x is 24 hours for aggregate performance and 8 hours for port performance. June 1996 3360-A2-GB20-10...
  • Page 69 If one or more seconds of far-end statistics are missing, this field will display Complete=No, otherwise it will display Complete=Yes. This field is only displayed when Far is selected from the Prt n screen. 3360-A2-GB20-10 Table 4-4 (2 of 2) Performance Registers Totals Description...

  • Page 70: Alarms

    Also, an alarm clear message is only sent when there are no other alarms active. For information about alarm configuration options, refer to the Alarm Configuration Options section in Appendix C, Configuration Options. For troubleshooting information, refer to the Troubleshooting section on page 4-12. June 1996 3360-A2-GB20-10...

  • Page 71: 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. 3360-A2-GB20-10 Table 4-5 Enterprise-Specific Trap Definitions Trap Value enterpriseClockFail(1)

  • Page 72: Troubleshooting

    3. Contact your facility provider. 1. Check the status of the DTE. 2. Check that the G.703 DTE cable is securely attached at both ends. 1. Check the status of the upstream device(s). 2. Contact your facility provider. June 1996 3360-A2-GB20-10...
  • Page 73 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. 3360-A2-GB20-10 Table 4-7 (2 of 2) Troubleshooting Solutions Check the DTE. Contact your facility provider.

  • Page 74: Test Jacks

    G.703 DTE side of the E1 NTU. 4-14 Figure 4-1. E1 NTU Test Jacks LINE LINE INTERFACE CIRCUITRY INTERFACE Port 1 Port 3 Port 2 Port 4 Table 4-8 Test Jack Functions Function June 1996 HDSL LINE 495-14753 HDSL HDSL NETWORK HDSL 495-14754 3360-A2-GB20-10...

  • Page 75: Test Commands

    Combination) appears. To send a Data Channel Activation or Deactivation loopback sequence to the far-end device, 1. From the top-level menu screen, select Test. 3360-A2-GB20-10 2. From the Test screen, select Rlpbk. Test: Rlpbk Lpbk 3. From the Rem Loopback screen, press the Function key that corresponds to the specific loopback test you want to perform.

  • Page 76: Local Loopback Tests

    Valid loopback combinations listed in Table 4-9 are identified by YES. Table 4-9 Valid Loopback Combinations June 1996 DCLB DTLB (on separate (on separate ports) ports) (on separate (on separate ports) ports) 3360-A2-GB20-10...

  • Page 77: Starting A Line Loopback

    Invld Test Combo appears (see Table 4-9 for valid loopback test combinations). 3360-A2-GB20-10 Starting a Payload Loopback The Payload Loopback command (PLB) loops the received signal on the network interface back to the network.

  • Page 78: Starting A Dte Loopback

    CRCs and BPVs are corrected. All ones are transmitted to the network interface. (G.703) REPEATER LOOPBACK (RLB) To perform a Repeater loopback, 1. From the top-level menu screen, select Test. key until 2. From the Test screen, select Lpbk. June 1996 Loopback: HDSL 495-14761 Test: Rlpbk Lpbk Ptrns 3360-A2-GB20-10...

  • Page 79: Starting A Data Channel Loopback

    DATA PORTS DCLB (1 - 4) DATA CHANNEL LOOPBACK (DCLB) 3360-A2-GB20-10 key until To perform a Data Channel loopback, 1. From the top-level menu screen, select Test. 2. From the Test screen, select Lpbk. 3. From the Loopback screen, press the the DCLB selection appears on the screen.

  • Page 80: Starting A Data Terminal Loopback

    To abort one or more loopback tests, 1. From the top-level menu screen, select Test. 2. From the Test screen, select Lpbk. key until 3. From the Loopback screen, select Abort. June 1996 Loopback: DTLB Prt1 Prt2 Prt3 Test: Rlpbk Lpbk Ptrns Loopback: Abort 3360-A2-GB20-10...

  • Page 81: Test Patterns

    You can use the TStat branch of the menu to view the test status to determine if the abort was successful. 3360-A2-GB20-10 Test Patterns Use the Test Pattern commands to send, monitor, and abort test patterns. Available test patterns are: 32767 –...
  • Page 82 See Table 4-10 for valid combinations. Table 4-10 511 (Port) 1-in-8 (Network) YES (on separate ports) YES (on separate ports) June 1996 Send: Name and Dest Test Started QRSS (Port) YES (on separate ports) YES (on separate ports) 3360-A2-GB20-10...

  • Page 83: 511 Test Patterns

    Patterns: Mon 32767 QRSS 511 If you monitor a 32767 pattern, skip Step 5. 3360-A2-GB20-10 5. From the Monitor screen, press the Function key that corresponds to the port for which you want to monitor a QRSS or 511 test pattern. Use the scroll keys, if necessary.

  • Page 84: Lamp Test

    2. From the Test screen, press the Lamp selection appears on the screen. 3. From the Test screen, select Lamp. 4. From the Lamp Test screen, select Start. June 1996 key until the Test: Rlpbk Lpbk Ptrns Test: Lpbk Ptrns Lamp Lamp Test: Abort Start 3360-A2-GB20-10...

  • Page 85: Displaying E1 Ntu Test Status

    2. From the Lamp Test screen, select Abort. Lamp Test: Abort Start 3360-A2-GB20-10 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 4-11.
  • Page 86 A 511 test pattern is being monitored on the channels allocated to port n . DLB Test, Extrn The G.703 DTE port is being held in DTE loopback by the external contact. Lamp Test Active The Lamp test is currently active. 4-26 Table 4-11 Test Status Messages Description June 1996 3360-A2-GB20-10...

  • Page 87: Front Panel Menu

    Cur 8Tot Intvl Cur 24Tot Intvl Port Dsply Clear DTE Prt1 Prt2 Prt3 Prt4 Copy Prt1 Prt2 Prt3 Port Select : Prt1 Prt2 Prt3 Prt4 3360-A2-GB20-10 Front Panel Menu E1 HDSL NTU Test Cnfig Rlpbk Lpbk Ptrns Lamp Send Abort 32767...

  • Page 88: Technical Specifications

    ................Overview The technical specifications for the Models 3360, 3364, and 3365 NTUs are listed in Table B-1.
  • Page 89 HDSL Network interface, synchronous data port, internal clock, G.703 DTE interface, or (for 2-port and 4-port E1 NTUs) external clock Models 3360 and 3364 NTUs = 3.90 inches (10.0 cm) Model 3365 NTU = 2.13 inches (5.4 cm) 7.63 inches (19.4 cm) 12.13 inches (30.8 cm)

  • Page 90: Configuration Options

    E1 NTU (Tables C-4 and C-5). 3360-A2-GB20-10 ...........
  • Page 91 Enab – Sends all ones on the DS0 channels allocated to the network interface when an LOS, AIS, or OOF condition occurs on the G.703 DTE interface. Disab – Passes the data unchanged to the network interface channels. Table C-1 June 1996 3360-A2-GB20-10...
  • Page 92 This loopback is controlled by the Remote Loopback interchange circuit RL (CCITT 140). The far-end equipment must support in-band V.54 loopbacks. Both – Gives control of local DTLBs and remote DCLBs to the DTE connected to this port. 3360-A2-GB20-10 Table C-2 (1 of 4)
  • Page 93 Enab – Indicates the transmitted data and received data for this port are inverted. Disab – Indicates the transmitted data and received data for this port are not inverted. Table C-2 (2 of 4) Port Configuration Options Prev June 1996 3360-A2-GB20-10...
  • Page 94 NOTE: This configuration option is not available if EDL is disabled. NOTE: If the local E1 NTU is configured to send near-end performance statistics, then the remote device must be configured to maintain far-end performance statistics. 3360-A2-GB20-10 Table C-2 (3 of 4)
  • Page 95 NOTE: This configuration option is not available if EDL is disabled or FDL is enabled for SNMP. NOTE: If the local E1 NTU’s EDL is enabled, then the remote device’s EDL must also be enabled. Table C-2 (4 of 4) Port Configuration Options June 1996 3360-A2-GB20-10...
  • Page 96 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. 3360-A2-GB20-10 Table C-3...
  • Page 97 DTE and data port configuration options. For information about the operation of Display and Clear, refer to the Configuring DS0 Channels section in Chapter 3, Operation . Table C-4 – – – – – – June 1996 NOTE – – – 3360-A2-GB20-10...
  • Page 98 (Block or Chan). NOTE: Changing this configuration option from one method to the other (Block or Chan) deallocates all DS0 channels assigned to either the network interface or the G.703 DTE interface. 3360-A2-GB20-10 Table C-5 (1 of 3)
  • Page 99 NOTE: This configuration option does not appear if the individual channel allocation method (Chan) is selected using the Assign By configuration option, or if Prt n is selected using the Assign To configuration option. C-10 Table C-5 (2 of 3) 1536 1600 1664 1728 1792 June 1996 960 1024 1088 1856 1920 1984 Prev Prev Prev 3360-A2-GB20-10...
  • Page 100 2048 kbps and the combined bandwidth used by Port 2 and Port 4 to 2048 kbps. If a selection of Prt n causes this limit to be exceeded, the selection is ignored and the “–” will continue to be displayed for the channel. 3360-A2-GB20-10 Table C-5 (3 of 3) –...
  • Page 101 8 – Sets the input rate of the external clock to 8 kHz. NOTE: This configuration option is only available on 2-port and 4-port E1 NTUs. C-12 Table C-6 General Configuration Options Prt4 Prev Prt4 Disab Prev June 1996 3360-A2-GB20-10...
  • Page 102 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. 3360-A2-GB20-10 Table C-7 (1 of 3)
  • Page 103 Communication Port Stop Bits. Configures the number of stop bits (1, 1.5, or 2) for the communication port. NOTE: This configuration option is not available if the communication port is configured for synchronous operation. C-14 Table C-7 (2 of 3) 19.2 38.4 Prev June 1996 3360-A2-GB20-10...
  • Page 104 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. 3360-A2-GB20-10 Table C-7 (3 of 3) June 1996...
  • Page 105 SNMP Traps section in Chapter 4, Maintenance . Enab – Enables sending SNMP trap messages from this unit over any SNMP management link. Disab – Disables sending SNMP trap messages from this unit over any SNMP management link. C-16 Table C-8 Alarm Configuration Options June 1996 3360-A2-GB20-10...
  • Page 106 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. 3360-A2-GB20-10 Table C-9 (1 of 4)
  • Page 107 Clear – Allows you to clear the subnet mask for the E1 NTU. The subnet mask is set to 000.000.000.000. If the subnet mask is 000.000.000.000, the IP protocol creates a default subnet mask based on the class of the IP address (Class A: 255.000.000.000, Class B: 255.255.000.000, or Class C: 255.255.255.000). C-18 Table C-9 (2 of 4) June 1996 3360-A2-GB20-10...
  • Page 108 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. 3360-A2-GB20-10 Table C-9 (3 of 4)
  • Page 109 2-port and 4-port E1 NTUs if the synchronous data port’s EDL management link is enabled for SNMP. NOTE: If the chosen default network link is disabled or down, data is discarded. Return to this menu and choose another default network. C-20 Table C-9 (4 of 4) EDL1 EDL2 EDL3 EDL4 Prev June 1996 3360-A2-GB20-10...
  • Page 110 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. 3360-A2-GB20-10 Table C-10 (1 of 2)
  • Page 111 NOTE: This configuration option is not available if the Link Trap configuration option is not configured to generate trap messages for linkUp or linkDown events. C-22 Table C-10 (2 of 2) SNMP Trap Configuration Options Prev Prev June 1996 3360-A2-GB20-10...
  • Page 112 Pri Clk Src NET, DTE, Prt1, Prt2, Prt3, Prt4, Int, Sec Clk Src NET, DTE, Prt1, Prt2, Prt3, Prt4, Ext, Disab Clock Rate 2048, 8 3360-A2-GB20-10 User Options Self-Test Enab, Disab Com Use SNMP, ASCII, Daisy Com Type Async, Sync...
  • Page 113 Rcv Yellow None, Halt Tx Clock Int, Ext InvertTxC Enab, Disab InvrtData Enab, Disab Enab, Disab Err Rate 10E–4, 10E–5, 10E–6, 10E–7, 10E–8, 10E–9 Near-end Disab, Maint, Send, Both Far-end Disab, Maint Mgmt Link Disab, SNMP June 1996 Value Value 3360-A2-GB20-10...
  • Page 114 Allocation Allocations D1 – D31 indicates allocation to DTE (G.703) channels. Prt1 – Prt4 indicates allocation to synchronous data ports. 3360-A2-GB20-10 G.703 DTE Interface G.703 Channel Allocations N1 – N31 indicates allocation to network channels. Prt1 – Prt4 indicates allocation to synchronous data ports.
  • Page 115 Time Slot (N n or D n ): 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, 26, 27, 28, 29, 30, 31 (Select Multiple) June 1996 Value 3360-A2-GB20-10...
  • Page 116 Assign To Assign By If Assign By Block Port 4 If Assign By Chan 3360-A2-GB20-10 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 117 Edit, Clear Trap n Dst None, Com, Aux, FDL, EDL1, EDL2, EDL3, EDL4 Gen Trap Disab, Warm, Auth, Both Entp Trap Enab, Disab Link Trap Disab, Up, Down, Both Trap I/F NET, DTE, E1s, Ports, All June 1996 Value 3360-A2-GB20-10...
  • Page 118 E1 NTU, AT&T Paradyne cables, and customer-supplied cables. 3360-A2-GB20-10 Pin Assignments ........... . .
  • Page 119 Signal Receiver Tip from DTE Receiver Ring from DTE Transmitter Tip to DTE Transmitter Ring to DTE Relay Contact Sense Return Relay Contact Sense Shield Ground Figure D-1. G.703 DTE Cable June 1996 Table D-2 Pin Number 2, 4 3360-A2-GB20-10...

  • Page 120: Pin Assignments

    Signal DTE Transmit Clock DTE Receive Data Signal Ground DTE Transmit Data DTE Receive Clock 3360-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 121 Daisy selection to ensure that the correct parameters have been negotiated for the link layer. Table D-4 COM Port Connector Direction Pin Number From NTU From NTU — To NTU To NTU From NTU To NTU From NTU June 1996 NOTE 3360-A2-GB20-10...
  • Page 122 Pin Assignments Figure D-2. COM Port-to-PC Cable Figure D-3. COM Port-to-Terminal/Printer Cable 3360-A2-GB20-10 June 1996...
  • Page 123 From NTU 5 (A) 13 (B) From NTU 8 (A) 10 (B) From NTU To NTU To NTU 11 (B) 24 (A) From NTU 12 (B) 15 (A) From NTU 17 (A) 9 (B) To NTU To NTU From NTU 3360-A2-GB20-10...
  • Page 124 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 Figure D-4. EIA 530A-to-RS449 Cable 3360-A2-GB20-10 DB37 SOCKET SIGNAL 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...
  • Page 125 13 (A) 31 (B) From NTU 11 (A) 29 (B) To NTU 12 (A) 30 (B) To NTU 17 (A) 35 (B) From NTU 5 (A) 23 (B) From NTU 8 (A) 26 (B) To NTU To NTU From NTU 3360-A2-GB20-10...
  • Page 126 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-GB20-10 Figure D-5. EIA 530A-to-V.35 Cable June 1996 Pin Assignments MS34 V.35 SIGNAL SOCKET SHIELD TD-A TD-B RD-A RD-B TXC-A TXC-B RXC-A RXC-B RLSD SIG.
  • Page 127 From NTU R (A) T (B) To NTU From NTU From NTU From NTU To NTU To NTU U (A) W (B) From NTU Y (A) AA (B) From NTU V (A) X (B) To NTU To NTU From NTU 3360-A2-GB20-10...
  • Page 128 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-GB20-10 Figure D-6. EIA 530A-to-X.21 Cable June 1996 Pin Assignments DB15 X.21 SIGNAL SOCKET TD-A TD-B RD-A RD-B RXC-A RXC-B RTS-A RTS-B RLSD-A RLSD-B SIG.
  • Page 129 June 1996 Direction — To NTU 2 (A) 9 (B) From NTU 4 (A) 11 (B) To NTU 3 (A) 10 (B) From NTU 5 (A) 12 (B) To NTU 7 (A) 14 (B) From NTU 6 (A) 13 (B) 3360-A2-GB20-10...
  • Page 130 – 48 Vdc B +24 Vdc +24 Vdc Return Chassis Ground 3360-A2-GB20-10 Optional DC Power Cable The power cable is a 14.5-foot, 18 AWG stranded cable. The connector is terminated at one end with a 6-position connector. The other end of the cable is terminated with a bare wire that should be connected to a dc power source.
  • Page 131 A cable diagram is shown in Figure D-8. This is a customer-supplied cable. Figure D-8. External Clock Connector D-14 Table D-10 External Clock Connector Signal Shield Clock (+) (RS422 only) Clock (–) (RS422 only) Clock In (RS423 only) Signal Common June 1996 Pin Number 3360-A2-GB20-10...

  • Page 132: Snmp Mib Objects

    10 different groups. The E1 NTU implements only those groups where the semantics of the group are applicable to 3360-A2-GB20-10 SNMP MIB Objects ........
  • Page 133 System Group – “sysObjectID” Object (system 2) This object provides the authoritative identification of the network management subsystem contained in the unit. This object displays the following object identifier: 3360 1.3.6.1.4.1.74.1.14.2.3.2 3364 1.3.6.1.4.1.74.1.14.2.3.3 3365 1.3.6.1.4.1.74.1.14.2.3.4 System Group – “sysServices” Object...
  • Page 134 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 3360 NTU are: Net E1 DTE E1 COM port Auxiliary RS-232 port...
  • Page 135 CTS and DSR are ON. The interface is down(2) when the port is unassigned, or either CTS or DSR is OFF. The interface is testing(3) when a test is active on the interface. June 1996 3360-A2-GB20-10...
  • Page 136 (ifEntry 18) ifOutDiscards (ifEntry 19) ifOutErrors (ifEntry 20) ifOutQLen (ifEntry 21) 3360-A2-GB20-10 IP Group, MIB II The IP Group objects are supported by the E1 NTU for all data paths which currently are configured to carry IP data to or from the E1 NTU, including the COM, AUX, EDL, and FDL.
  • Page 137 IP Group – “ipRouteMetric2” Object (ipRouteEntry 4) For standalone devices, ipRouteMetric2 is not used and contains –1. When adding a route to the routing table using SNMP, do not specify a value for ipRouteMetric2. June 1996 3360-A2-GB20-10...
  • Page 138 UDP Group, MIB II The User Datagram Protocol (UDP) Group objects are fully supported by the E1 NTU. 3360-A2-GB20-10 Transmission Group, MIB II Objects in the transmission group are supported on the network and G.703 DTE interfaces, the COM port, the AUX port, and the synchronous data ports.
  • Page 139 1-in-8 or a 32767 test pattern. This value is read-only. An attempt to write this value returns a badValue response. Near End Group – “dsx1CircuitIdentifier” Object (dsx1ConfigEntry 8) This object is only supported on the network interface. June 1996 3360-A2-GB20-10...
  • Page 140 – The near end is sending a Loss of MultiFrame Failure (MFA). dsx1Other Failure(4096) – An Excessive Error Rate (EER) has been detected on the network interface. 3360-A2-GB20-10 Near End Group – “dsx1SignalMode” Object (dsx1ConfigEntry 11) This object specifies whether time-slot 16 (TS16) is reserved for signaling.
  • Page 141 10, 11 and 15 to the network, the following time slots are connected: N1 to D10, N3 to D11, and N5 to D15. When time-slot 16 is reserved for signaling, allocated DTE channels must be mapped to the corresponding June 1996 3360-A2-GB20-10...
  • Page 142 This object contains the number of ports in the RS-232-like general port table. This number is 3 for the 3365 NTU, 4 for the 3360 NTU, and 6 for the 3364 NTU. General Port Table, RS-232-like MIB The general port table contains general configuration objects for the RS-232-like interfaces.
  • Page 143 Asynchronous Port Table, “rs232AsyncPortAutoBaud” (rs232AsyncPortEntry 5) This object specifies the ability to automatically sense the input speed of the port. Only the following value is supported by the E1 NTU. disabled(2) – Autobaud is not supported. June 1996 3360-A2-GB20-10...
  • Page 144 Input Signal Table – “rs232InSigChanges” (rs232InSigEntry 4) This object is not supported by the E1 NTU. 3360-A2-GB20-10 Output Signal Table, RS-232-like MIB This object contains entries for the output signals that can be asserted by the unit for each of the synchronous data ports.
  • Page 145 [wellKnownTests 6] testSendV54Up – OBJECT IDENTIFIER ::= [wellKnownTests 7] testSendV54Down – OBJECT IDENTIFIER ::= [wellKnownTests 8] testSend32767 – OBJECT IDENTIFIER ::= [wellKnownTests 11] testSend1in8 – OBJECT IDENTIFIER ::= [wellKnownTests 12] testMon32767 – OBJECT IDENTIFIER ::= [wellKnownTests 13] June 1996 3360-A2-GB20-10...
  • Page 146 [wellKnownCodes 2] inSyncWithBitErrors – OBJECT IDENTIFIER ::= [wellKnownCodes 3] notInSync – OBJECT IDENTIFIER ::= [wellKnownCodes 4] 3360-A2-GB20-10 AT&T Paradyne Enterprise MIB The variable devConfigAreaCopy under the devConfigAreaCopy group in the common area of the AT&T Paradyne Enterprise MIB will be supported. This variable allows the entire contents of one configuration area to be copied into another configuration area.
  • Page 147 Select the interval number with dsx1IntervalNumber. Read the value in the following objects for NET E1 dsx1IntervalES dsx1IntervalUAS dsx1IntervalSES dsx1IntervalBES dsx1ValidIntervals Read the value in the following objects for NET E1 dsx1ValidIntervals dsx1TotalES dsx1TotalUAS dsx1TotalSES dsx1TotalBES June 1996 3360-A2-GB20-10...
  • Page 148 Test–>Lpbk–>LLB Test–>Lpbk–>Abort–>LLB Test–>Lpbk–>PLB Test–>Lpbk–>Abort–>PLB Test–>Lpbk–>DLB Test–>Lpbk–>Abort–>DLB Test–>Lpbk–>RLB Test–>Lpbk–>Abort–>RLB 3360-A2-GB20-10 Table E-1 (2 of 4) 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 149 Display rs232PortType for port n to rs422 , v35 , or X.21 Set/Display rs232SyncPortClockSource for port n to internal or external Set/Display dsx1LineType for NET E1 to dsx1E1 or dsxE1-CRC Set/Display dsx1Fdl for NET E1 to dsx1other or dsx1FDL-none June 1996 3360-A2-GB20-10...
  • Page 150 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-GB20-10 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 messageOriented...

  • Page 151: Ip Network Addressing Scenario

    FDL is end-to-end (i.e., not terminated at an intermediate point within the network). 3360-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 152 ACCULINK 336x 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 3360-A2-GB20-10...

  • Page 153: Front Panel Emulation

    3. Choose Run. 3360-A2-GB20-10 ..........
  • Page 154 PC. NOTE When using Front Panel Emulation, no LEDs are shown on the PC’s screen; you must use the Stat command procedure to get LED information (see the Displaying LED Conditions section in Chapter 3, Operation ). June 1996 3360-A2-GB20-10...

  • Page 155: Equipment List

    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...

  • Page 156: 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). 3360-A2-GB20-10 Glossary June 1996 Glossary-1...
  • Page 157 Device firmware that establishes specific operating parameters for the device. Sometimes referred to as straps. control unit A unit that exerts control over another unit. CPU fail Central Processing Unit failure. A Self-Test Health message indicating a failure in the device’s central processing unit. Glossary-2 June 1996 3360-A2-GB20-10...
  • Page 158 A process that transfers device firmware from a locally-attached PC to a device, or allows the duplication of firmware from a local device to a remote device. downstream device A device that is connected farther from the host computer. 3360-A2-GB20-10 June 1996 Glossary Glossary-3...
  • Page 159 FEBE Far-End Block Error. Block errors reported by remote equipment. Fractional E1 Individual DS0 channels that may be sold separately or in groups to provide bandwidth that is some fraction of the total E1 capability. Glossary-4 June 1996 3360-A2-GB20-10...
  • Page 160 Link Control Protocol. Light-Emitting Diode. A status indicator that glows in response to the application of a voltage. 3360-A2-GB20-10 June 1996 Glossary Glossary-5...
  • Page 161 Network Termination Unit. The tributary unit on the customer end of an HDSL link. (The LTU is on the network end.) object (SNMP) A specific item within a Management Information Base (MIB). Out Of Frame. An error condition in which frame synchronization bits are in error. Glossary-6 June 1996 3360-A2-GB20-10...
  • Page 162 Random-access memory. Read/write memory that is volatile and loses its contents when power is removed. register A part of the device’s memory that holds stored values. Rel branch Release branch of the E1 NTU menu tree. 3360-A2-GB20-10 June 1996 Glossary Glossary-7...
  • Page 163 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. Glossary-8 June 1996 3360-A2-GB20-10...
  • Page 164 A pseudo-random bit sequence (PRBS) that is 511 bits long (on the data ports only). This is a PRBS 2 32767 Test A pseudo-random bit sequence (PRBS) that is 32,767 bits long (on the network only). This is a PRBS 2 3360-A2-GB20-10 –1 test. –1 test. June 1996 Glossary...
  • Page 165 BES (Bursty Errored Seconds) report, 4-8 block method of channel allocation, 3-29 BPV (Bipolar Violation) condition front panel LED indication, 3-6 Performance Report message, 4-9 troubleshooting, 4-13 3360-A2-GB20-10 Index cabling equipment list, H-1 examples, 2-8 pin assignments, D-1–D-14 Chan (Channel) Configuration branch example of use, 3-20–3-32...
  • Page 166 G.703 DTE interface channel allocation procedure, 3-20–3-27 configuration options, C-2 failure message, 4-2 front panel LED indications, 3-6 functional description, 1-2, 1-5, 2-1 managed by SNMP, 1-2 physical description, 1-4 pin assignments, D-2 technical specifications, B-1 troubleshooting, 4-12 June 1996 3360-A2-GB20-10...
  • Page 167 4-24–4-25 physical description, 1-3, 3-2 line coding, C-2 line loopback (LLB), 4-17 link layer protocol, 3-14, 3-16 link trap, 4-11 3360-A2-GB20-10 liquid crystal display (LCD) failure message, 4-2 functional description, 3-3 physical description, 1-3, 3-2 LOF (Loss Of Frame) condition...
  • Page 168 See connectors, rear panel physical description, 1-3–1-5 switch, 1-4, 1-5 Rel (Release) branch example of use, 3-35–3-36 in the menu tree, A-1 remote loopback, 4-15 repeater loopback (RLB), 4-18–4-19 reset front panel indications, 2-9 procedure, 3-36 June 1996 3360-A2-GB20-10...
  • Page 169 B-1, B-2 Stat (Status) branch examples of use, 3-8, 3-10, 4-2, 4-3, 4-5, 4-6, 4-25 in the menu tree, A-1 3360-A2-GB20-10 status messages. See messages, status STest (Self-Test Health) branch example of use, 4-2 in the menu tree, A-1 StEvnt (Status Event) report, 4-9 straps.
  • Page 170 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. See data terminal loopback (DTLB) Index-6 warmStart trap, 4-11 weight, B-2 worksheets, configuration option, C-23–C-28 X.21 interface, D-12 June 1996 3360-A2-GB20-10...

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