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© Copyright 2000. Black Box Catalogue, Ltd.
464 Basingstoke Road, Reading, Berkshire RG2 0QN
Compact mDSL Modem
TECHNICAL:
(0118) 965 6000
SALES:
(0118) 965 5100
FAX:
(0118) 931 5001
464 Basingstoke Road, Reading, Berkshire RG2 0QN
ADDRESS:
www.blackbox.co.uk
WEB:
MDU9705A-V35
MDU9705A-X21
August 2000
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Related Manuals for Black Box MDU9705A-V35
Summary of Contents for Black Box MDU9705A-V35
- Page 1 MDU9705A-V35 MDU9705A-X21 August 2000 Compact mDSL Modem © Copyright 2000. Black Box Catalogue, Ltd. TECHNICAL: (0118) 965 6000 SALES: (0118) 965 5100 FAX: (0118) 931 5001 464 Basingstoke Road, Reading, Berkshire RG2 0QN 464 Basingstoke Road, Reading, Berkshire RG2 0QN ADDRESS: www.blackbox.co.uk...
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Page 2: Table Of Contents
CE Notice Connecting the MDU9705A-X21 to a DCE or DTE Device Opening the Case The CE symbol on your Black Box equipment indicates that it is in Connecting Power compliance with the Electromagnetic Compatibility (EMC) directive and Universal Power (100 - 240VAC) the Low Voltage Directive (LVD) of the European Union (EU). -
Page 3: General Information
Compact mDSL Modem General Information Configuration Thank you for your purchase of this Black Box product. This prod- The Compact mDSL Modem is equipped with two sets of eight uct has been thoroughly inspected and tested and is warranted for DIP switches, which allow configuration of the unit for a wide variety of One Year parts and labor. -
Page 4: Configuration Dip Switch Set "S2
Switch S2-8: Enable/Disable Loop Tests from DTE Configuration DIP Switch Set “S2” Switch S2-8 may be used to allow the MDU9705A-V35 to enter loop- The configuration switches on S2 allow you to specify the Clocking back diagnostic tests (Local or Remote) when the V.35 DTE raises the Mode and to enable/disable Local and Remote Loop requests from the appropriate loop request pin (LLB: Pin L or RDL: Pin N). -
Page 5: Configuration Dip Switch Set "S3
Compact mDSL Modem Compact mDSL Modem Configuration Switch Set “S3” 1536 1600 1664 Use the six DIP Switches in Switch S3 to enable the DTE bit rate. 1728 The following table summarizes default positions of DIP Switch S3. 1792 Detailed descriptions of each switch follow the table. 1856 1920 1984... -
Page 6: Installation
Compact mDSL Modem Compact mDSL Modem Plug-and-Play Installation The Plug-and-Play feature allows ISPs, carriers and PTTs to Once the Compact mDSL Modem is properly configured, it is quickly upgrade the link speed for a customer without requiring the ready to connect to the twisted pair interface, to the serial port, and to customer to re-configure the Customer Premise (CP) Compact mDSL the power source. -
Page 7: Connecting The Mdu9705A-X21 To A Dce Or Dte Device
To open the Compact mDSL Modem case, insert a flat head installation of a V.35 tail-circuit buffer to account for small differences in clock frequency between the MDU9705A-V35 and the V.35 DCE screw driver into an open slot on both sides of the case, as in Figure 7. -
Page 8: Connecting Power
Compact mDSL Modem Compact mDSL Modem damage the pc-board mounted components. 120 VAC Power (US) The DCE/DTE strap is located on the top side of the MDU9705A- The 100-132 VAC adapter supplied with the U.S. version of the X21 pc board (See Figure 8, below). The arrows on the top of the Compact mDSL Modem is a wall mount type and may be plugged into strap indicate the configuration of the X.21 port (for example, if the any approved 120 VAC wall jack. -
Page 9: Operation
Compact mDSL Modem Compact mDSL Modem Operation -only at power up, blinks once every 200 ms if the DTE Rate is set to an unsupported settings Once the Compact mDSL Modem is properly configured and glows yellow to indicate that the Compact mDSL installed, it should operate transparently. - Page 10 Compact mDSL Modem Compact mDSL Modem Restart Procedure The restart procedure is in place to allow the and Time Outs units to re-establish a connection after the framer begins seeing unframed packets. The Pattern Framer Pattern Loop Loop Framer Line Test Model Timing Chart below shows the Gen/Det Gen/Det...
- Page 11 Compact mDSL Modem Compact mDSL Modem Loops and Patterns The following section describes the Test Modes used in the Pattern Loop Loop Pattern Framer Compact mDSL Modem. At the bottom of each Test Mode, a figure is Framer Line Gen/Det Contr Contro Gen/Det...
- Page 12 Data originates at this data out to the DTE. This is an important the local DTE and is looped at the Remote distinction because other Black box units will PROCESSOR back to the Local DTE. Note that send out the 511 pattern.
- Page 13 Compact mDSL Modem Compact mDSL Modem Remote Digital The Remote Digital Loop with 511/511E is Data Mode with When the units enter DataMode it is possible to Loop with shown above. After RDL is established the 511/511E Pattern turn on the 511/511E pattern generators on 511/511E Remote units' Restart Timer is set to one Generators...
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Page 14: Using The V.52 (Ber) Test Pattern Generator
Compact mDSL Modem Compact mDSL Modem Using the V.52 (BER) Test Pattern Generator APPENDIX A To use the V.52 BER tests in conjunction with the Remote Digital Loopback tests (or with Local Line Loopback tests), follow these instructions: Clocking Modes: Internal, External, or Receive Recovered Locate the “511/511E”... - Page 15 Compact mDSL Modem Compact mDSL Modem APPENDIX B APPENDIX C V.35 INTERFACE X.21 INTERFACE (M/34 Female Connector) (D-Sub-15 Female Connector) (DCE Orientation) (DTE /DCE Orientation) Pin # Signal Pin # Signal 1 ......Frame Ground B ......SGND (Signal Ground) 2 ......T (Transmit Data-A) (DTE Source) C ......RTS (Request to Send) (DTE Source) 3 ......C (Control-A) (DTE Source)
- Page 16 Compact mDSL Modem Compact mDSL Modem APPENDIX E Transmission Distance - Black Box Compact mDSL Modem No Cross Talk Line Rate DTE Rates 26 AWG (0.4mm) 24 AWG (0.5mm) kbps feet miles km feet miles km 64, 128 21400 4.0 6.6 30700...
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