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Verilink TAC 2010 User Manual

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Verilink TAC 2010
User Manual
October 1999
P/N 880-503298-001-A1
TA C
20 10
EQ PT
NE T
M ON
IN
OU T
IN
OU T
NE T
EQ PT

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  • Page 1 Verilink TAC 2010 User Manual October 1999 P/N 880-503298-001-A1 TA C 20 10 EQ PT NE T M ON OU T OU T NE T EQ PT...
  • Page 2 Copyright 1999 Verilink Corporation. All rights reserved. This document does not create any express or implied warranty about Verilink or about its products or services. Verilink’s sole warranty is contained in its product warranty. The end-user documentation is shipped with Verilink’s products and constitutes the sole specifications referred to in the product warranty.
  • Page 3 • No customer is authorized to repair this equipment, regardless of warranty status. All repairs must be performed by Verilink or an authorized agent. It is the responsibility of users requiring service to report the need for service to Verilink or to one of our authorized agents.
  • Page 4 • Do not allow anything to rest on the power cord. Do not locate this product where the cord will interfere with the free movement of people. Verilink TAC 2010 User Manual...
  • Page 5 If the product has been dropped or if the cabinet has been damaged. Product Warranty Verilink’s product warranty covers repair or replacement of all equipment under normal use for a five-year period from date of shipment. Replacement products may be new or reconditioned.
  • Page 6 Verilink TAC 2010 User Manual...

  • Page 7: Table Of Contents

    Management Options ................1-1 Types of Node Controllers ............... 1-2 Compatible Modules ................. 1-3 Components ...................... 1-3 TAC 2010 Front Panel ................1-3 TAC 2010 CIMs ..................1-4 Port Usage ....................1-5 Quick Set-Up ......................2-1 Connect to Craft Port ................2-2 Login ......................
  • Page 8 Diagnostic Commands ................5-4 Front Panel LEDs ....................5-6 EQPT LED ....................5-6 STAT LED ....................5-7 NET LED ....................5-7 Test Procedures ....................5-8 Verifying a T1 ................... 5-8 Troubleshooting ..................5-10 Tips ......................5-10 Verilink TAC 2010 User Manual...

  • Page 9: Overview

    Windows™ 3.1 (only). Management The TAC 2010 CSU module must be managed by one of five Verilink Options node controller modules; the NCC 2020, NCC 2130, SCC 2020, SCC 2130 or NCM 2000. You can configure the TAC 2010 through an ASCII terminal port (Craft interface) on the associated node controller.

  • Page 10: Types Of Node Controllers

    T1 CSU. See the NCM 2000 User Manual for full details. The NCC 2020 is a TAC 2010 T1 CSU with the addition of a • node controller function. See the NCC 2020 User Manual full details.

  • Page 11: Compatible Modules

    Overview Compatible The TAC 2010 defaults to CSU-only mode. It can be configured to Modules use a shelf midplane to pass channelized data timeslots to an optional DSU module. Table 1-2 Compatible DSU Modules Module Type Usage DIU 2130 DSU with two synchronous serial interface ports for connection of Data Terminal Equipment (DTE).

  • Page 12: Tac 2010 Cims

    TAC 2010 CIMs The TAC 2010 front module must be installed with a rear connector module which provides interface ports. The following table lists the connector modules that can be paired with the TAC 2010 T1 CSU front module.

  • Page 13: Port Usage

    Connect an external alarm system which will trigger on either a relay closure (using NO and COM leads) or an open (using NC and COM leads). The relay in the TAC 2010 module supports Form C relay specifications. Verilink TAC 2010 User Manual...
  • Page 14 Overview Verilink TAC 2010 User Manual...

  • Page 15: Quick Set-Up

    This section details a quick, step-by-step procedure for configuring the TAC 2010. For this quick configuration guide, the following assumptions are made: That you are adding the TAC 2010 and a single DIU 2130 DSU • module to an existing installation in a Multi-line shelf.

  • Page 16: Connect To Craft Port

    Figure 2-2. NOTE: The example screens in this chapter are from an NCC 2020 controller module. If you are using an NCM or SCC type of node controller the screens presented will be slightly different. Verilink TAC 2010 User Manual...

  • Page 17: Select The Csu

    [1,5] and the module identified as a TAC 2010 at the bottom of [1,5] [1,5] the screen. When installing a TAC 2010 module to be used with any type of DIU Configuration 21xx module, always configure the CSU module before configuring anything on the DIU 21xx module. When the DIU 21xx is configured, it is connected logically to a CSU.
  • Page 18 [1,5] NEAR TAC 2010 > [1,5] NEAR TAC 2010 > [1,5] NEAR TAC 2010 > The factory default values for the TAC 2010 are shown. The unit is in CSU mode (DIU bus = NONE NONE NONE) and the network interface (shown at NONE top right) is set for ESF framing and AMI line coding format.

  • Page 19: Configuring The Diu 2130

    Use the “X” command to return to the controller Main Menu. Configuring the For this example, the TAC 2010 is used with a DIU 2130 module in DIU 2130 slot 6 of a Multi-line shelf. The TAC 2010 connects directly to the T1 circuit and provides CSU functionality.
  • Page 20 > enter slot >, type “5”. This enter slot > selects the TAC 2010 in slot five of shelf one as the CSU for this DIU 2130 module. The Timing Source defaults to CSU, meaning that the DIU 2130 will derive its transmit clock from the source selected in the CSU configuration (recovered network clock in this example).
  • Page 21 DTE should now be connected. Once the CSU has been connected to the T1 circuit for at least fifteen minutes, meaningful performance statistics will be available under the Performance Menu. See Chapter 4 for more details. Verilink TAC 2010 User Manual...
  • Page 22 Quick Set-Up Within 15 seconds of connecting the T1 circuit, the NET LED on the front of the TAC 2010 should change from red to green. If it does not, the Diagnostics Menu may be used for troubleshooting. See Chapter 5 for more information on diagnostics.

  • Page 23: Configuration

    Flow Control: None The Verilink Craft interface does not assert any control leads. Verilink provides one of two types of "Craft cable". Both versions of the Craft cable have an RJ-11 modular connector at one end. The original cable has a female DB-25 connector at the other end and a more recent version has a DB-9 female connector.

  • Page 24: Log In

    The top or Main Menu is displayed. Figure 3-1 Typical Controller Main Menu -- VERILINK NCC NODE CONTROLLER at[1,1]: FW Rev 4.75 -- -- VERILINK NCC NODE CONTROLLER at[1,1]: FW Rev 4.75 -- -- VERILINK NCC NODE CONTROLLER at[1,1]: FW Rev 4.75 -- -- VERILINK NCC NODE CONTROLLER at[1,1]: FW Rev 4.75 --...

  • Page 25: Configuration Menu

    1 of shelf 1, this is an NCC 2020 or SCC 2020. The T1 CSU portion of an NCC 2020 or SCC 2020 is a TAC 2010 card. Once an NCC or SCC is installed in a node, additional T1 CSU requirements are met by adding TAC 2010 modules.

  • Page 26: Configuration Menu Commands

    For example, if connecting a D4 (SF) channel bank to an ESF T1 circuit the SF,ESF framing selection is used. Table 3-4 below describes the TAC 2010 CSU Configuration Menu options: Verilink TAC 2010 User Manual...
  • Page 27 CSU drop yellow alarms with dissimilar framing. translated from the 2(NET TO EQ)—ESF equipment and non-ESF T1. D4 bit 2 method to the ESF FDL method. 3(EQ TO NET)—D4 equipment on an ESF T1. 4(BOTH)—not used. Verilink TAC 2010 User Manual...
  • Page 28 (4)80 0's—The CSU begins stuffing ones into the user datastream after 80 consecutive zeroes (recommended). Density should never be set to NONE on an (5)15 0's—The CSU begins stuffing ones into the user AMI T1. datastream after 15 consecutive zeroes. Verilink TAC 2010 User Manual...
  • Page 29 TIU 2850 module installed in the same shelf. (8)DIU—The CSU uses a clock provided by DTE connected to a data port on a DIU 213x module. Tail-circuit timing requires this option. Verilink TAC 2010 User Manual...

  • Page 30: Mode

    Configuration Menu. CSU Mode In CSU mode, the TAC 2010 does not use any data bus in the shelf to pass data to any other module. All 24 timeslots in the T1 signal are passed, unmodified, to the DSX-1 equipment port. In the...
  • Page 31 Configuration A TAC 2010 module is in Mux mode when the DIU bus option is set to A A A A , B B B B , or C C C C . A typical use of Mux mode would be for data-only applications.

  • Page 32: Clearing Configuration

    Use this procedure to determine which of the three versions of TAC Card 2010 module you have. 1. Does the front panel of the TAC 2010 have an RJ-11 modular connector? a. Yes—You have an original or intermediate version of the card.
  • Page 33 See Figure 3-5: Figure 3-5 Intermediate Version Position a paper clip against both battery segments to short battery. Battery Segments TA C 20 10 EQ PT NE T MO N EQP T Verilink TAC 2010 User Manual 3-11...

  • Page 34: Firmware Upgrade Procedures

    Configuration Procedure 3 The current version of the TAC 2010 is easily recognized by the Current absence of an RJ-11 modular connector on the front panel. The current TAC 2010 has a berg jumper which completes the battery circuit. By momentarily removing this jumper, then re- inserting it, the module is reset to the default configuration.

  • Page 35: Network Management Programs

    Both Access Manager 2000 and Node Manager offer download Management procedures which may be used to upgrade the TAC 2010 CSU. Programs For details on using Access Manager 2000 to upgrade a TAC 2010, refer to the Access Manager 2000 User Manual.

  • Page 36: Thumbwheel Commands

    The configuration of the module selected in steps 1 and 2 of this NCC 2130 thumbwheel command sequence is stored in the NCC. If the module is replaced or loses its configuration later, command 45 may be used to restore it. Not supported by SCC modules. 3-14 Verilink TAC 2010 User Manual...
  • Page 37 TAC 2010 DIU 2140 NCC 2020 Sets data bus to A (Mux mode). SCC 2020 TAC 2010 DIU 2140 NCC 2020 Sets data bus to B (Mux mode). SCC 2020 TAC 2010 DIU 2140 Verilink TAC 2010 User Manual 3-15...
  • Page 38 2130-S modules do not support tail circuit timing, external timing or SCC 2130 TIU 2850 timing. TAC 2130 DIU 2130 Canned configuration #1—assigns all 24 timeslots to data port #1. NCC 2130 SCC 2130 TAC 2130 3-16 Verilink TAC 2010 User Manual...
  • Page 39 Sets DTE ports to n × 56 kbit/s (as required for an AMI T1). DIU 2130 NCC 2130 SCC 2130 TAC 2130 DIU 2131 DIU 2130 Unassigns port 1 timeslot(s). NCC 2130 SCC 2130 TAC 2130 DIU 2131 DIU 2130 Unassigns port 2 timeslot(s). DIU2131 Verilink TAC 2010 User Manual 3-17...
  • Page 40 Clears the address command. Releases currently selected module. Use this command if you change your mind after selecting a module in step two, or if you select the wrong module accidentally, or to practice double-clicking. 3-18 Verilink TAC 2010 User Manual...

  • Page 41: Performance Monitoring

    Once the TAC 2010 is installed, the performance monitoring routines allow you to monitor the performance of the T1 circuit. The TAC 2010 maintains a history of the T1 circuit performance for the previous 24 hours and offers the ability to examine various tables.

  • Page 42: Definitions

    6-3-98 6-3-98 6-3-98 6-3-98 12:10:44 12:10:44 12:10:44 12:10:44 Site Name: Tech Pubs TAC 2010 Site Name: Tech Pubs TAC 2010 Site Name: Tech Pubs TAC 2010 Site Name: Tech Pubs TAC 2010 ELEMENT ID ELEMENT ID 1, 1 1, 1...

  • Page 43: 24-Hour Errored Seconds

    6-3-98 6-3-98 6-3-98 6-3-98 12:25:26 12:25:26 12:25:26 12:25:26 Site Name: Tech Pubs TAC 2010 Site Name: Tech Pubs TAC 2010 Site Name: Tech Pubs TAC 2010 Site Name: Tech Pubs TAC 2010 1, 1 1, 1 1, 1 1, 1...

  • Page 44: 24-Hour Bursty Errored Seconds

    24 HOUR BES PERFORMANCE DATA 24 HOUR BES PERFORMANCE DATA 6-3-98 6-3-98 12:43:46 12:43:46 Site Name: Tech Pubs TAC 2010 Site Name: Tech Pubs TAC 2010 Site Name: Tech Pubs TAC 2010 Site Name: Tech Pubs TAC 2010 1, 1 1, 1...

  • Page 45: 24-Hour Severely Errored Seconds

    6-3-98 6-3-98 6-3-98 6-3-98 12:48:46 12:48:46 12:48:46 12:48:46 Site Name: Tech Pubs TAC 2010 Site Name: Tech Pubs TAC 2010 Site Name: Tech Pubs TAC 2010 Site Name: Tech Pubs TAC 2010 1, 1 1, 1 1, 1 1, 1...

  • Page 46: 24-Hour Unavailable Seconds

    6-3-98 6-3-98 6-3-98 6-3-98 13:13:03 13:13:03 13:13:03 13:13:03 Site Name: Tech Pubs TAC 2010 Site Name: Tech Pubs TAC 2010 Site Name: Tech Pubs TAC 2010 Site Name: Tech Pubs TAC 2010 1, 1 1, 1 1, 1 1, 1...

  • Page 47: 24-Hour Loss Of Frame Count

    6-3-98 6-3-98 6-3-98 6-3-98 13:28:48 13:28:48 13:28:48 13:28:48 Site Name: Tech Pubs TAC 2010 Site Name: Tech Pubs TAC 2010 Site Name: Tech Pubs TAC 2010 Site Name: Tech Pubs TAC 2010 1, 1 1, 1 1, 1 1, 1...
  • Page 48 Performance Monitoring Verilink TAC 2010 User Manual...

  • Page 49: Diagnostics

    Chapter Diagnostics While installing the TAC 2010, or after it has been placed into service, the diagnostic routines allow you to troubleshoot or verify the T1 circuit and Verilink equipment. The front panel of the TAC 2010 has three LEDs which give a visual indication of alarm conditions.

  • Page 50: Diagnostics Menu

    Figure 5-2 below shows the result of disconnecting the T1 circuit from a TAC 2010 module. The word PULSES no longer appears on the right side where network status is indicated. Instead, alarm conditions are reported including ALARM, FRAME LOSS, CRC ERRORS, and SIGNAL LOSS.

  • Page 51: Status Messages

    4) all 1s D) inband down D) inband down D) inband down D) inband down [1,5] NEAR TAC 2010 > [1,5] NEAR TAC 2010 > [1,5] NEAR TAC 2010 > [1,5] NEAR TAC 2010 > Status Messages The status messages which may appear on the Diagnostics Menu...

  • Page 52: Diagnostic Commands

    Diagnostics Diagnostic There are seventeen command options available on the TAC 2010 Commands diagnostics menu. Table 5-2 lists all of these commands. Drawings which illustrate the various loopbacks can be found in the manual AS2000, The Basics. Table 5-2 Diagnostic Commands...
  • Page 53 CSU. D) inband down Sends a standard CSU Under normal circumstances, sending the line loop-down loop-down code to the code will terminate a line loopback state in the far end CSU. far end CSU. Verilink TAC 2010 User Manual...

  • Page 54: Front Panel Leds

    OK or the TAC 2010 card is configured for Mux mode (in Mux mode the EQPT LED is always green). Solid Yellow The TAC 2010 is in a loop which faces the Equipment port (Repeater Loopback or Equipment Loopback). Solid Red...

  • Page 55: Stat Led

    The CSU is looped toward the network and errors are being Red to received (BPV or CRC-6). Yellow Not Lit The CSU has no power or, if other LEDS are lit, the CSU is defective. Verilink TAC 2010 User Manual...

  • Page 56: Test Procedures

    NOTE: Whenever the Inband Up command is used to send a loop-up code to a far-end CSU, the Inband Down command must be used later to send the loop-down code. Otherwise the far-end CSU will be left in a looped condition. Verilink TAC 2010 User Manual...
  • Page 57 The far-end CSU went into a loopback, but the pattern received • at the local TAC 2010 does not match the pattern transmitted. In this case, the Test Error Counter might increment in uneven amounts at virtually any rate.

  • Page 58: Troubleshooting

    If the NET LED is not green during a repeater loopback test, contact Verilink Technical Support for assistance. Tips If the repeater loopback test passes, the CSU is not defective. For troubleshooting tips related to non-CSU problems, see Table 5-6. 5-10 Verilink TAC 2010 User Manual...
  • Page 59 If CRC errors are reported, the errors are occurring at some point between the two CSUs. Verify in-house wiring as indicated above. Contact the carrier and request they monitor the circuit. Carriers can monitor a T1 circuit for CRC errors without disrupting user data. Verilink TAC 2010 User Manual 5-11...
  • Page 60 Suggestion Alarm When a Verilink AS2000 CSU reports “ALARM” in the Craft interface, it is receiving a yellow alarm (RAIS) on that port. T1 devices send a yellow alarm to alert the far end device when they are in a red alarm condition such as: Loss Of Signal (LOS), Loss Of Frame (LOF), or Alarm Indication Signal (AIS—received all ones keep-alive).
  • Page 61 Diagnostics With a loopback plug in the network port, any customer equipment connected to the TAC 2010 (or a data port of any DIU module assigned to the CSU) should see a loopback condition. If the customer equipment can report errors, it should indicate that no errors are being received.
  • Page 62 Diagnostics 5-14 Verilink TAC 2010 User Manual...
  • Page 63 CRC-6 error checking 5-11 INT clock 3-7 crosstalk 5-11 internal oscillator 3-7 CSU loops 5-4 CSU Mode 3-8 CSU mode 3-7 Jitter Buffer 3-5 D&I NET 3-7 keep alive 3-6 data bus A 3-7 Verilink TAC 2010 User Manual Index-1...
  • Page 64 5-4 Reset modem interface 3-14 Reset Registers 4-7 reset the test error counter 5-4 restore csu config 3-7 save csu config 3-7 select D&I DS0s 3-9 Sending A Pattern 5-9 Sending Loop-up Code 5-8 Index-2 Verilink TAC 2010 User Manual...
  • Page 65 October 1999 VERILINK CORPORATION 127 JETPLEX CIRCLE, P/N 880-503298-001-A1 MADISON, ALABAMA 35758 TEL: (800) 837-4546...

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