CTC Union MSDTU01-A/E1 User Manual
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CTC Union MSDTU01-A/E1 User Manual

CTC Union MSDTU01-A/E1 User Manual

2megabit sdsl modem, xdsl series, sdsl csu fractional nx64 g.703 e1 interface
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Version 1.1

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Summary of Contents for CTC Union MSDTU01-A/E1

  • Page 1 User's Manual Version 1.1...

  • Page 3: Table Of Contents

    Contents Overview ....................3 Features....................4 Applications..................4 Specifications..................5 Packing....................6 Appearance..................7 Front Panel..................7 Rear Panel..................8 Important Safety Instructions ..............9 Installation ..................11 Hardware Setup................. 12 Point-to-point Operation ..............14 Console Operation................15 Console Operation / Configuration ........... 16 Cables ....................20 Version History V1.0 released May 7, 2001 V1.1 released September 24, 2001 firmware 1.14, supports connection to datacom unit...
  • Page 4 Version 1.1...

  • Page 5: Overview

    MSDTU01-A/E1 SDSL G.703 E1 CSU Overview The MSDTU01-A/E1 SDSL with G.703 Fractional E1 interface is a data access Channel Service Unit modem with the latest multi-rate HDSL (High-speed Digital Subscriber Line) technology offering both long range and high speed data transmission with Nx64 rates from 128Kbps up to 2048Kbps.

  • Page 6: Features

    MSDTU01-A/E1 SDSL G.703 E1 CSU Features High speed SDSL transport over single twisted Copper pair telephone lines 2B1Q line code Symmetrical Multi-rate Nx64 data transmission from 128Kbps to 2048Kbps G.703 E1 operates from recovery (E1 at CO), or loop recovery...

  • Page 7: Specifications

    MSDTU01-A/E1 SDSL G.703 E1 CSU Specifications Item MSDTU01-A/E1 Channel Port Interface ITU-T G.703 E1 Connector BNC(x2) unbalanced, RJ-45 Balanced Impedance 75 or 120 Ohms, selectable 75 Ohm: Pulse 2.37V nominal Tx Level 120 Ohm: Pulse 3.00V nominal Relative Rx Level 0 to –43dB...

  • Page 8: Packing

    MSDTU01-A/E1 SDSL G.703 E1 CSU Packing This package shall contain the following items: MSDTU01-A/E1 unit AC Adapter (120VAC for North America, and 220-240VAC for Europe) RS-232 Serial Cable, DB-9 to DB-9(optional) This User's Guide Version 1.1...

  • Page 9: Appearance

    MSDTU01-A/E1 SDSL G.703 E1 CSU Appearance Front Panel After connecting all cables and powering on the MSDTU01- A/E1, LED’ s on the front panel shall indicate the following status. LOOP – Test/Loopback ALARM – E1 Alarm SyncLoss – E1 Sync Loss SigLoss –...

  • Page 10: Rear Panel

    MSDTU01-A/E1 SDSL G.703 E1 CSU Rear Panel RJ11, SDSL for connection to local loop DB9, console port for connection to ASCII data termina RJ-45, Balanced G.703 E1 Port, BNC, Unbalanced G.703 E1 Port 10P DIP switch, for setting speed, CO/CPE, Timing, E1 Framing, Nx64, etc.

  • Page 11: Important Safety Instructions

    The connections and equipment that supply power to the MSDTU01- A/E1 should be capable of operating safely with the maximum power requirements of the MSDTU01-A/E1. In the event of a power overload, the supply circuits and supply wiring should not become hazardous.
  • Page 12 MSDTU01-A/E1 SDSL G.703 E1 CSU 11. A rare condition can create a voltage potential between the earth grounds of two or more buildings. If products installed in separate building are interconnected, the voltage potential can cause a hazardous condition. Consult a qualified electrical consultant to determine whether or not this phenomenon exists and, if necessary, implement corrective action before interconnecting the products.

  • Page 13: Installation

    (twisted copper pair telephone wire) to the WAN port at the RJ-11 jack. Be sure that this local loop has been properly connected to another MSDTU01-A/E1 remote unit. Connect the E1 transmission line to the modem at the BNC connectors marked "TX"...

  • Page 14: Hardware Setup

    MSDTU01-A/E1 SDSL G.703 E1 CSU Hardware Setup DSL rate and terminal type can be set up by adjusting the 10-pole DIP switch on the rear panel. Sw. 1 is for SDSL termination type, Sw.2 thru Sw. 6 are for adjusting the E1 and DSL rate, Sw. 7 will disable TS0, Sw. 8 and Sw.
  • Page 15 MSDTU01-A/E1 SDSL G.703 E1 CSU The E1 data rate is equal to the number of timeslots used for data times 64 Kbps, plus 64 Kbps for timeslot zero (framing timeslot). The DSL data rate is equal to the E1 data rate plus 16 Kbps overhead.

  • Page 16: Point-To-Point Operation

    RT unit. The E1 device connected to the RT unit will be able to recover E1 timing from the RT unit. Check the WAN LED on the MSDTU01-A/E1 -- it will remain lit when the Link is successfully established. The DSL training process may take...

  • Page 17: Console Operation

    On Windows 95 or Windows NT : start Tool Bar à Program à Accessory à Hyper Terminal Group à Double Click Hypertrm.exe à Enter Connection Name à Select Icon à Click Select COM port to communicate with the MSDTU01-A/E1-- − Choose direct to COM1 or COM2 à click OK...

  • Page 18: Console Operation / Configuration

    SDSL G.703 E1 CSU Console Operation / Configuration 1.1 Turn on the power of MSDTU01-A/E1 and press any key, the initial terminal screen will be displayed. From any other menu, pressing ESC and Enter will return to the top menu screen. Pressing "zero" will exit any menu to the next higher level.
  • Page 19 MSDTU01-A/E1 SDSL G.703 E1 CSU 3.2. Symbol Rate : Indicates the DSL rate in kilobits per second. This is normally the data rate plus 16Kbps overhead. 3.3. In Sig Level : Indicates the input signal level of the DSL signal.
  • Page 20 MSDTU01-A/E1 SDSL G.703 E1 CSU 4.6. Item "6" Remote Line, turns on remote digital loopback. This mode is used to test the DSL link.The local unit sends a command to the remote unit which then initiates its own HDSL-PCM loopback. This mode requires that an active DSL link already be established.
  • Page 21 MSDTU01-A/E1 SDSL G.703 E1 CSU 5.1 Select "2" BERT << BERT >> 1. Function 2. Pattern 3. Scale 4. BERT Status Select Number : 5.1. BERT – Function : Selects the mode of Loop Back testing. << BERT Function >>...

  • Page 22: Cables

    MSDTU01-A/E1 SDSL G.703 E1 CSU 5.4. BERT – Status : << BERT Status >> Pattern SYNC : SYNC Measurement : Complete Bit Errors : 000 Press '1' to review. This display is used to review the results of testing. If there is no pattern sync the display will read "No SYNC".
  • Page 23 MSDTU01-A/E1 SDSL G.703 E1 CSU E1 BNC Connectors Designation Direction Function From MSDTU01-A Center TTIP Transmit data ↔ Sleeve TRING Signal return To MSDTU01-A Center RTIP Receive data ↔ Sleeve RRING Signal return E1 RJ-45 Connector RJ-45 Designation Direction Function ↔...
  • Page 24 MSDTU01-A/E1 SDSL G.703 E1 CSU Version 1.1...
  • Page 26 CTC Union Technologies Co., Ltd. Far Eastern Edison Science and Technologies Center (Nei-Hu HI-TEC Park) 6F-3, Lane 360, Nei-Hu Road, Section 1 Nei-Hu, Taipei, Taiwan Phone:(886) 2.2659.1021 (Rep) Fax:(886) 2.2799.1355 E-mail: info@ctcu.com http://www.ctcu.com...

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