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Tainet DT-128 Series User Manual

High-speed network termination unit
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High-Speed Network Termination Unit
The Professional Partner
TAINET COMMUNICATION SYSTEM CORP.
Headquarters:
No. 25, Alley 15, Lane 120, Sec. 1.
Nei-Hu Rd,Taipei 114, Taiwan
TEL: 886-2-26583000
FAX: 886-2-26583232
http://www.tainet.net
V1.8
TAINET
DT-128
USER'S MANUAL
07008-00013
Beijing Branch:
3F, A Building, 113 Zhi Chun Lu, HaiDian
District, Beijing, China
Zip Code: 100086
TEL: 86-10-62522081~87
FAX: 86- 10-62522077
2004/03/24

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Summary of Contents for Tainet DT-128 Series

  • Page 1 TAINET DT-128 High-Speed Network Termination Unit USER'S MANUAL The Professional Partner TAINET COMMUNICATION SYSTEM CORP. Headquarters: Beijing Branch: No. 25, Alley 15, Lane 120, Sec. 1. 3F, A Building, 113 Zhi Chun Lu, HaiDian Nei-Hu Rd,Taipei 114, Taiwan District, Beijing, China...

  • Page 3: Table Of Contents

    CONTENTS CHAPTER 1 : THE TAINET DT-128 SERIES NTU............2 Description ....................2 Technical Specifications ................2 Ordering Information .................. 3 CHAPTER 2 : INSTALLATION ..................6 Description ....................6 Unpacking ....................6 Site Requirements ..................6 Site Selection....................7 AC Electrical Outlet Connection..............
  • Page 4 INFORMATION TO THE USER NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device. Pursuant to the Part 15 of FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and if not installed and used in accordance with the instructions may cause harmful interference will not occur in a particular installation.
  • Page 5 CHAPTER 1 THE TAINET DT-128 SERIES NTU CONTENT Description Technical Specifications Ordering Information...

  • Page 6: Chapter 1 : The Tainet Dt-128 Series Ntu

    DT-128 and DT-128N front panel LED indicators provide indication for PWR, DTR, DSR, RTS, CTS, TXD, DCD, RXD, ACT and TST. • DT-128N is also associated with TAINET MANAGER for Windows NMS, a standard feature, which commands pass forward to control unit. Technical Specifications •...

  • Page 7: Ordering Information

    CHAPTER 4 : GENERAL INFORMATION AND FEATURES • Line Impedance : Balanced 135Ω • Line Interface : RJ11 Connector • Equalization : Adaptive Equalizer • Diagnostic Capability (1) Analog Loopback (2) Digital Loopback (Local or Remote) (3) Remote Configuration (4) BERT - Bit Error Rate Test with Test Pattern and Error Count •...
  • Page 8 • PW-132A 90 ~ 265 VAC 130W power unit for rack • PW-132D -36 ~ -72 VDC 130W power unit for rack • TAINET MANAGER Network Management System for DT-128N for Windows • Interface option V.35, V.24/RS-232, RS-530, X.21/V.11, G.703 64Kbps co-directional •...

  • Page 9: Chapter 2 : Installation

    CHAPTER 4 : GENERAL INFORMATION AND FEATURES CHAPTER 2 INSTALLATION CONTENT Description Unpacking Site Requirements Site Selection AC Electrical Outlet Connection Connecting With 2-Wire/4-Wire Line...
  • Page 10 Site Requirements The FCC requires telecommunications equipment to withstand electrical surges which may result from lightning strikes; TAINET NTUs meet the requirements set forth by the FCC. The following procedure outlines some common practices which can minimize the risk of damage to computer equipment from electrical surges.
  • Page 11 CHAPTER 4 : GENERAL INFORMATION AND FEATURES 3) If you are unsure whether the electrical service in your building is properly grounded, have it examined by your municipal electrical inspector. 4) Install a surge protector between the NTU and AC power outlet. Any additional computer equipment you have connected to the NTU (directly or through another device), such as a terminal or printer, should also be plugged into the same surge protector.
  • Page 12 CHAPTER 4 : GENERAL INFORMATION AND FEATURES The pin layout of the connector for RJ11 operation is as follows: Pin No. Color 2-Wire 4-Wire Black TX/RX Green TX/RX Yellow Line (RJ11) Fig 2-1 : 2-wire/4-wire Line Connection...
  • Page 13 CHAPTER 4 : GENERAL INFORMATION AND FEATURES CHAPTER 3 FRONT PANEL LCD AND MENU-DRIVEN CONTENT The Front And Rear Panels Operating The DT-128 The Menu Tree Detailed Description of The Menu Tree Operating The DT-128N...

  • Page 14: Chapter 3 : Front Panel Lcd And Menu-Driven

    Figure 3-1 TAINET DT-128 front panel The rear panel of TAINET DT-128 NTU contains an IEC 320 AC Power Inlet Connector, a Power On/Off switch, a RS-232 connector (connected to DTE Equipment), and one RJ11 telephone jack (connected to 2-wire or 4-wire twisted line), as illustrated below.

  • Page 15: Operating The Dt-128

    Power Module MC145572 V4.4 Front Panel Figure 3-3 TAINET DT-128 Jumpers Location Operating The DT-128 1. Keypads : It consists of 5 touch switches. HOME It is used as the, Restart function for U-interface linking up, or "HOME" key for set-up menu to go back to the home menu.
  • Page 16 CHAPTER 4 : GENERAL INFORMATION AND FEATURES TXD -- On for "0", off for "1" TXD signal present. DCD -- On for DCD signal present. RXD -- On for "0", off for "1", RXD signal present. ACT -- On for NTU activated. On for test mode active.

  • Page 17: The Menu Tree

    CHAPTER 4 : GENERAL INFORMATION AND FEATURES C. Menu Screen Example 1 : Example 2 : L STATUS R CONFIG NTU retries = xxx LT/NT Mode Example 3 : Example 4 : L TEST L CONFIG DTE Data Rate / Format Description : 1) L-Local, R-Remote.

  • Page 18: Test Menu

    CHAPTER 4 : GENERAL INFORMATION AND FEATURES A. STATUS MENU STATUS : Retries = 0..16383 B. TEST MENU Clear All Has Been Done Off\On Off\On Off\On Test Pattern Off\On TEST : RDL Grant Off\On Error Count 0..16383 C. CONFIG NTU MENU CONFIG : LT/NT Mode LT-internal /LT-external...
  • Page 19 CHAPTER 4 : GENERAL INFORMATION AND FEATURES Detailed Description Of The Menu Tree 3.4.1 Test Menu ITEM NAME DESCRIPTION Clear all the tests in one time, and a prompt "Has been CLEAR ALL done" shall be shown. Local analog loop test (ON/OFF). This test is normally used to certify if the NTU is in normal operation condition.
  • Page 20 CHAPTER 4 : GENERAL INFORMATION AND FEATURES 3.4.2 Config NTU Menu ITEM NAME DESCRIPTION Select LT(Line Termination) NT(Network LT/NT MODE Termination) Mode. LT-internal /Select LT mode for activating request by sending 10k Hz tone & internal clock source. LT-external /Select LT mode for activating request by sending 10k Hz tone &...
  • Page 21 CHAPTER 4 : GENERAL INFORMATION AND FEATURES 3.4.3 Config DTE Menu ITEM NAME DESCRIPTION Select data speed & format. Data Rate/Format Sync-128K Sync from 2400bps to 128kbps. Sync-64K Async from 300bps to 38.4kbps. Sync-38.4K Sync-19.2K Sync-9600 Sync-4800 Sync-2400 Async-38.4K Async-19.2K Async-9600 Async-4800 Asynchronous data format is 1 start bit,8 data bits, and 1 stop bit.

  • Page 22: Profile Menu

    CHAPTER 4 : GENERAL INFORMATION AND FEATURES 3.4.4 Profile Menu ITEM NAME DESCRIPTION This NTU provides 6 groups of default LOAD configuration profile. Among them cover most required applications for normal use. Load factory profile #0..#5 FACTORY PROFILES LT-SYNC-128K /LT mode, SYNC, 128K NT-SYNC-128K /NT mode, SYNC, 128K LT-SYNC-64K...

  • Page 23: Operating The Dt-128N

    The DT-128N shown in Figure 4 is a card type of DT-128.The card associated with TRS-32 has the same layout as the DT-128.The operation of DT-128N is similar to DT-128,and user can refer to TRS-32 manual to get more information. SCAN RESET DT-128N Figure 3-4 TAINET DT-128N Card -19-...

  • Page 24: Chapter 4 : General Information And Features

    CHAPTER 4 : GENERAL INFORMATION AND FEATURES CHAPTER 4 GENERAL INFORMATION AND FEATURES CONTENT Preview 2W / 4W Uncondition Twisted Line LT Mode VS. NT Mode Synchronous VS. Asynchronous Configuration Profile Set-up Remote Configuration -20-...
  • Page 25 CHAPTER 4 : GENERAL INFORMATION AND FEATURES Preview In order to help you to get familiar with TAINET DT-128 NTU, this chapter introduces you some common applications. For most applications, the materials of this chapter will be enough. 2W/4W Uncondition Twisted Line There is nothing but line application in DT-128 series NTU.

  • Page 26: Synchronous Vs. Asynchronous

    CHAPTER 4 : GENERAL INFORMATION AND FEATURES Synchronous VS. Asynchronous The data formats of both connecting NTUs must be exactly the same in order to exchange data with each other. Choosing various data formats in two NTUs still could connect each other, but they won‘t transmit or receive data exactly.

  • Page 27: Remote Configuration

    TAINET NTU. It offers you the conveniences of installation and maintenance. Note that both NTUs should be offering by TAINET, and these functions are not effective before NTU activated.
  • Page 28 CHAPTER 4 : GENERAL INFORMATION AND FEATURES CHAPTER 5 MAINTENANCE CONTENT Description Instruments Periodic Maintenance Troubleshooting Return Procedure -24-...

  • Page 29: Chapter 5 : Maintenance

    We suggest the individuals who hold a failed DT-128 would contact with your local representative or distributor of Tainet, or just directly access our customer service department as soon as possible in order not to cause catastrophe. You may locate the contact address and phone number in the cover sheet of this manual.

  • Page 30: Appendix I : Parameter Table

    CHAPTER 4 : GENERAL INFORMATION AND FEATURES Appendix I : Parameter Table ENTRY DEFAULT UNIT FUNCTION Reserved byte Counter of reactivation Speed byte DTE speed=DCE speed 128000 bps 64000 bps 38400 bps 19200 bps 9600 bps 4800 bps 2400 bps 1200 bps 600 bps 300 bps...
  • Page 31 CHAPTER 4 : GENERAL INFORMATION AND FEATURES ENTRY DEFAULT UNIT FUNCTION bit 3,2 00 Internal clock External clock Loopback clock bit 7,6,5,4 Reserved Lead bit 0 DSR normal DSR forced on bit 1 DTR normal DTR forced on bit 2 RTS normal RTS Force on bit 3...

  • Page 32: Appendix Ii: Dt-128 Dte Interface Db-25 Dip Assignment Table

    CHAPTER 4 : GENERAL INFORMATION AND FEATURES Appendix II: DT-128 DTE Interface DB-25 DIP Assignment Table ISO 2110 RS-232 EIA 530 V.35 X.21 Electrical Signal Circuit Description Spec. Direction PIN No. (V.24) 1 PG Frame Ground 2 TD 103a, BA (A) 103a V.11 DTE Transmitted Data A...

  • Page 33: Appendix Iii: G.703 64Kbps Co-Directional Interface Application

    CHAPTER 4 : GENERAL INFORMATION AND FEATURES Appendix III: G.703 64Kbps Co-directional Interface Application G.703 G.703 2WLL V.35 2WLL V.35 Loopback Clock External Clock External Clock Loopback Clock only only Fig.1 System Diagram G.703 interface support maximum length from LT to PCM site: 500m on 26 AWG 600m on 24 AWG Internal G.703 module configuration :...

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