Multitech MultiDSU MTT1DSU User Manual Download Page 1

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Model MTT1DSU

User Guide

Summary of Contents for MultiDSU MTT1DSU

Page 1: ...Model MTT1DSU User Guide...

Page 2: ...t generates uses and can radiate radio frequency energy and if not installed and used in accordance with the User Guide may cause harmful interference to radio communications Operation of this equipme...

Page 3: ...om time to time in the content hereof without obligation of Multi Tech Systems Inc to notify any person or organization of such revisions or changes Record of Revisions Revision Description A Manual r...

Page 4: ...T1 Line 14 Data Port 14 Electrical Physical Environmental 14 Chapter 2 Installation Introduction 16 Safety Warnings 16 Unpacking 16 MultiDSU Configuration 17 CablingYour MultiDSU 19 Configuration 21 C...

Page 5: ...Chapter 4 Remote Configuration Introduction 40 Modem Based Remote Configuration Procedure 40 Chapter 5 Diagnostics Introduction 42 Setup for Diagnostic Loopback Tests 42 Diagnostics Methodology 42 Di...

Page 6: ......

Page 7: ...Chapter 1 Introduction and Description...

Page 8: ...provides Facility Data Link FDL support Housed in a compact durable housing the MultiDSU supports D4 or ESF framing and AMI or B8ZS line coding on the T1 Line and supports synchronous data rates from...

Page 9: ...wer and configuring your MultiDSU for operation Chapter 3 Menu System Chapter 3 describes the various options available on all the menus and submenus used to configure and operate the MultiDSU Chapter...

Page 10: ...is booting TST Test Lights during diagnostic tests and during any loopback tests Data XMT Transmit Lights when packets are being transmitted to the T1 line from the DTE device RCV Receive Lights when...

Page 11: ...owing sections LINE COMMAND POWER 0 1 RJ45 Jack Power Connector 6 pin Circular DIN Data Connector On Off Switch RJ48 Jack Figure 1 2 Back Panel LINE Connector The RJ48 Line jack is used to connect to...

Page 12: ...3 The ringer equivalence number REN is used to determine the number of devices which may be connected to the telephone line Excessive REN s on the telephone line may result in the devices not ringing...

Page 13: ...its licensees Unauthorized repairs void registration and warranty 8 This equipment cannot be used on public coin service provided by the telephone company Connection to Party Line Service is subject...

Page 14: ...35 DCE port for synchronous data Operation at data rates from 56 kbps to 1 536 Mbps Local and remote loopback capability Extensive built in test capabilities Electrical Physical Environmental Voltage...

Page 15: ...Chapter 2 Installation...

Page 16: ...n disconnected at the network interface 4 Use caution when installing or modifying telephone lines 5 Avoid using a telephone other than a cordless type during an electrical storm There may be a remote...

Page 17: ...port connecting the point to point T1 line or back to back cable and power setting up the PC or terminal to configure the MultiDSU and finally configuring the MultiDSU using the Configuration procedur...

Page 18: ...rkstation T ech Systems LAN 1 PC Workstation PC Router MultiDSU Data Port Data Port T ech Systems Router MultiDSU Slave Master RJ48 back to back connection with T1 crossover cable Figure 2 2 DSX 1 Sho...

Page 19: ...ve MultiDSU back to back Figure 2 3 Cable Connections Table 2 1 Cabling the MultiDSU 1 Connect a V 35 interface cable to the Winchester type Data connector on the back of the MultiDSU Connect the othe...

Page 20: ...h is set to the up 1 or On position the front panel LEDs will light 5 Configure the unit in accordance with the procedures in the Configuration section that follows in this chapter 6 After the MultiDS...

Page 21: ...res in the rest of this section then run each of the loopback tests to check all the lines and interfaces 1 Apply power to your terminal or PC After the terminal or pc boots up run communications soft...

Page 22: ...ps a through c Make your new selection and press the ENTER key you will then see your new selection displayed here Repeat this process until the T1 Line is properly configured for your application a E...

Page 23: ...Enter option 3 and press the ENTER key to display the eight available selections for Line Type and Length Line Type and Length 1 CSU 0db or DSX 1 0 133ft 2 DSX 1 133 266ft 3 DSX 1 266 399ft 4 DSX 1 3...

Page 24: ...for your application enter option 1 and press the ENTER key to display the DSO Speed menu Enter option 2 56Kbps and press the ENTER key this will return you to the updated DS0 Speed DS0 Allocation me...

Page 25: ...Telco T1 line For a back to back setup set one unit for Internal option 1 or External option 3 if your DTE is provid ing the 1 544 MHz clock and set the other unit for Line option 2 Clocking 1 Interna...

Page 26: ...the state of RTS When the selections are appropriate for your application press the minus key and then the ENTER key to return to the Configurations menu Configurations 1 T1 Line Configuration 2 DS0...

Page 27: ...27 T1 DSU Main Menu 1 Configurations 2 Current Status 3 Statistics 4 Diagnostics 5 System Information Enter Selection previous q uit 1 _...

Page 28: ...28...

Page 29: ...Chapter 3 Menu System...

Page 30: ...Main Menu enter the number corresponding to the option and press the ENTER key to open the associated submenu Configurations Menu The Configurations menu provides various options for configuring the T...

Page 31: ...option 1 is a bipolar coding scheme in which successive ones alternate in polarity to prevent a Bipolar Violation BPV A BPV occurs when two consecutive ones are the same polarity When AMI is selected...

Page 32: ...nu This menu enables you to configure the DS0 speed and for Fractional T1 only the DS0 allocation DS0 Speed DS0 Allocation 1 DS0 Speed 64Kbps 2 DS0 Allocation 1 24 Enter Selection previous q uit 1 _ D...

Page 33: ...e of RTS Toggle it to Forced if you want CTS to stay high as long as the carrier is high regardless of the state of RTS V 35 Port 1 Force RTS Independent Enter Selection previous q uit 1 _ Set Configu...

Page 34: ...2 on the Main Menu displays the Current Status screen which displays the line status receive level range and the number of bipolar violations framing bit errors and out of sync multiframes This screen...

Page 35: ...ty Secs Severely Errored Secs Failed Secs Controlled Slips Framing Bit Errors Bipolar Violations Daily Statistics Error Name 0 1 2 3 4 5 6 Out Of Sync Secs Errored Secs Bursty Secs Severely Errored Se...

Page 36: ...ailed Seconds are seconds that failed due to one or more errors Controlled Slips Controlled Slips CS occur when the receiving device either replicates or deletes a DS1 frame Framing Bit Errors Framing...

Page 37: ...be per formed when a T1 crossover cable is connected between the LINE jacks on two MultiDSUs The loopback tests are discussed in detail in Chapter 5 Diagnostics Diagnostics 1 Local Loop Back 2 Remote...

Page 38: ...tem Information Selecting option 5 on the Main Menu opens the System Information screen which displays the firmware version number System Information Firmware Version Version 1 00 Press Return to cont...

Page 39: ...Chapter 4 Remote Configuration...

Page 40: ...a serial cable with male connectors on both ends Refer to Appendix A for cable details 2 Connect the modem to your local telephone line 3 Provide your telephone number to the person verifying your co...

Page 41: ...Chapter 5 Diagnostics...

Page 42: ...ack tests from the Diagnostics menu Diagnostics Methodology The methodology for all the loopback tests is as follows 1 Connect the DTE device to the Data port of the local MultiDSU 2 Put the MultiDSU...

Page 43: ...ltiDSU from the DTE device is immediately looped back to the DTE device See Figure 5 1 Use this test to verify that the Data port cable and its connections are OK and that the MultiDSU s Data port set...

Page 44: ...Figure 5 3 Processor Loopback Test Put Remote Into Loop Back This test option 4 on the Diagnostics menu checks the integrity of a remote MultiDSU by putting it into loopback mode so anything it recei...

Page 45: ...Chapter 6 Warranty Service and Technical Support...

Page 46: ...Y EX PRESSED OR IMPLIED AND ALL IMPLIED WARRANTIES OF MER CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED This warranty does not apply to any products which have been damaged b...

Page 47: ...resses contact name and phone number check or purchase order number for payment if the MultiDSU is out of warranty Check with your technical support specialist for the standard repair charge for your...

Page 48: ...s fax back system provides 24 hour access to sales market ing and technical literature Dial 612 717 5888 follow the voice prompts and request document number 10 for a catalog of available documents F...

Page 49: ...Appendixes...

Page 50: ...evice e g ASCII Terminal or PC Data Terminal Ready DTR Transmit Data BA Receive Data BB Request To Send RTS Clear To Send CTS Data Set Ready DSR Signal Ground AB Carrier Detect CD Chassis Ground PIN N...

Page 51: ...X BB FF LL A E K P U Y CC HH MM B F L R V Z DD JJ NN Chassis Ground Request To Send Data Set Ready Data Terminal Ready Send Data A Send Data B Terminal Timing A Terminal Timing B Send Timing A Send T...

Page 52: ...82083200...

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