ADTRAN DSU 5600 User Manual
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ADTRAN DSU 5600 User Manual

ADTRAN DSU 5600 User Manual

Data service unit
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DSU 5600
Data Service Unit
USER MANUAL
61200.078L1-1D
May 1997

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  • Page 1 DSU 5600 Data Service Unit USER MANUAL 61200.078L1-1D May 1997...
  • Page 2 901 Explorer Boulevard P.O. Box 140000 Huntsville, AL 35814-4000 Phone: (205) 963-8000 © 1997 ADTRAN, Inc. All rights reserved. Printed in USA.
  • Page 3 4. If experiencing difficulty with this equipment, please contact ADTRAN for repair and warranty information. The telephone company may require this equipment to be disconnected from the network until the problem is corrected, or it is certain the equipment is not malfunctioning.
  • Page 4 FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT This equipment has been tested and found to comply with the limits for a Class A digital device, Pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
  • Page 5 CANADIAN EQUIPMENT LIMITATIONS Notice: The Canadian Industry and Science Canada label identifies certified equipment. This certification means that the equipment meets certain telecom- munications network protective, operational, and safety requirements. The Department does not guarantee the equipment will operate to the user's satisfac- tion.
  • Page 6 Table of Contents...

  • Page 7: Table Of Contents

    Test Status/Error (Yellow/Red) ..............3 Select and Test Buttons .................... 3 Rear Panel ......................... 4 Chapter 2. Installation Unpacking ..........................7 ADTRAN Shipments Include ..................7 Customer Provides ......................7 Warranty and Customer Service ..................8 Powering ..........................8 Configuration .......................... 8 DTE Rate and Scrambler - SW 1, SW 2, SW 3 ..............
  • Page 8 Table 2-C Pin Assignments for Primary EIA-232 Connector ........12 List of Figures Figure 1-1 DSU 5600 Front Panel ..................4 Figure 1-2 DSU 5600 Rear Panel ..................5 Figure 3-1 DTE Only Test Diagram ................. 15 Figure 3-2 DTE with Test Pattern Test Diagram ............17 Figure 3-3 DTE and Loop Test Diagram .................

  • Page 9: Chapter 1. Introduction

    Service (DDS) and the customer’s Data Terminal Equipment (DTE). The DSU 5600 supports both 56 kbps and 64 kbps loop service rates and provides either synchronous or asynchronous modes of operation for the DTE interface. When the DTE interface is configured for synchronous operation, the DSU 5600 matches the selected loop rate.

  • Page 10: Physical Description

    Chapter 1. Introduction PHYSICAL DESCRIPTION The DSU 5600 is a stand alone unit designed to be used either on a desktop or mounted on a wall. The physical measurements of the DSU 5600 are: Length = 8.32 inches Width = 6.50 inches Height = 1.56 inches...

  • Page 11: Test Status/Error (Yellow/Red)

    Test Once the desired test mode is displayed on the test status indicators, the test is initiated by activating this switch. This switch is also activated to termi- nate any test in progress. 61200.078L1-1 DSU 5600 User Manual...

  • Page 12: Rear Panel

    Figure 1-1 DSU 5600 Front Panel Rear Panel A drawing of the rear panel of the DSU 5600 is shown in Figure 1-2. The 25-pin connector labeled PRIMARY EIA-232 provides the synchronous/asynchronous DTE interface. Connection to the DDS network is made using the 8-pin modular jack (RJ-48S) labeled TELCO.

  • Page 13: Figure 1-2 Dsu 5600 Rear Panel

    Chapter 1. Introduction TELCO TELCO OPTIONS OPTIONS (LISTED ON BOTTOM) (LISTED ON BOTTOM) PRIMARY EIA-232 PRIMARY EIA-232 115 VAC 115 VAC 60HZ .06A 60HZ .06A Figure 1-2 DSU 5600 Rear Panel 61200.078L1-1 DSU 5600 User Manual...
  • Page 14 Chapter 1. Introduction DSU 5600 User Manual 61200.078L1-1...

  • Page 15: Chapter 2 Installation

    Chapter 2 Installation UNPACKING After unpacking the DSU 5600, carefully inspect it for shipping damages. If damage is suspected, file a claim immediately with the carrier and then contact ADTRAN Technical Support. If possible, keep the original shipping container for use in return- ing the unit to ADTRAN for repair or verification of shipping damage.

  • Page 16: Warranty And Customer Service

    Ensure that a grounded, 115 V AC, 60 Hz receptacle is used for power- ing the DSU 5600. When the DSU 5600 is plugged into an AC power source, it performs a SELF TEST that tests all LED indicators plus various circuit blocks within the unit.

  • Page 17: Loop Rate - Sw 4

    Loop Rate - SW 4 When the SW4 switch is in the down (56 kbps) position, the network interface of the DSU 5600 is configured for operation at 56 kbps, and when this switch is in the up (64 kbps) position, the network interface is configured for 64 kbps operation.

  • Page 18: Carrier Detect (Cd) - Sw 6

    Off when the network is out of service or a test is in progress. Remote Digital Loopback (RDL) - SW 8 When this switch is in the down (enable) position, the DSU 5600 accepts the industry standard V.54 Remote Digital Loopback (RDL) command from the far end of the circuit.

  • Page 19: Network Connections

    This interface consists of four leads paired to provide separate transmit and receive circuits. The four leads are provided on the eight position modular jack (RJ-48S) labeled TELCO on the rear panel of the DSU 5600. The pin assignments for this connector are shown in Table 2-B. Table 2-B...

  • Page 20: Dte Connections

    Chapter 2. Installation DTE CONNECTIONS The Data Terminal Equipment is attached to the connector labeled PRIMARY EIA-232 at the rear of the DSU 5600. The pin assignments for all pins used on this connector are shown in Table 2-C. Table 2-C...

  • Page 21: Chapter 3. Test Modes

    Chapter 3. Test Modes Chapter 3 Test Modes In addition to a self test mode, other DSU 5600 test modes allow the user to isolate problems to specific components of the communications circuit. These various test modes for the DSU 5600 are initiated and terminated from the front panel using Select and Test.

  • Page 22: Near End Test

    To terminate this test, press Test. Test data from the terminal or test equipment is routed through the DTE section of the DSU 5600 and then to the output of the loop transmitter section where the signal is encoded for trans- mission.

  • Page 23: Figure 3-1 Dte Only Test Diagram

    Chapter 3. Test Modes NETWORK DTE OR INTERFACE TEST LOOP EQUIPMENT TRANSMIT TRANSMIT INTERFACE INTERFACE INTERFACE LOOP TX ONLY LOOP RX LOOP RECEIVE RECEIVE INTERFACE INTERFACE Figure 3-1 DTE Only Test Diagram 61200.078L1-1 DSU 5600 User Manual...

  • Page 24: Dte With Test Pattern (Tp)

    The DTE with Test Pattern (TP) test is similar to the DTE Only test described previously. The DTE with TP test is initiated at the local DSU 5600 and is used to independently test the opera- tion of the DSU 5600.

  • Page 25: Figure 3-2 Dte With Test Pattern Test Diagram

    NETWORK DTE OR INTERFACE TEST EQUIPMENT LOOP INTERFACE TRANSMIT TRANSMIT INTERFACE INTERFACE LOOP TX WITH TEST PATTERN LOOP RX LOOP RECEIVE RECEIVE INTERFACE INTERFACE TEST PATTERN DETECTOR Figure 3-2 DTE with Test Pattern Test Diagram 61200.078L1-1 DSU 5600 User Manual...

  • Page 26: Dte And Loop Test (Ll)

    Chapter 3. Test Modes DTE and Loop Test (LL) The DTE and Loop test is initiated at the local DSU 5600 and allows independent testing of the separate sections of the DSU 5600. First, it allows the local DTE interface to be tested with data from the terminal or test equipment.

  • Page 27: Figure 3-3 Dte And Loop Test Diagram

    Chapter 3. Test Modes DTE OR NETWORK TEST INTERFACE EQUIPMENT LOOP INTERFACE TRANSMIT TRANSMIT INTERFACE INTERFACE LOOP TX LOOP LOOP RX LOOP RECEIVE RECEIVE INTERFACE INTERFACE Figure 3-3 DTE and Loop Test Diagram 61200.078L1-1 DSU 5600 User Manual...

  • Page 28: Loop Only Test

    Loop Only Test The Loop Only test allows the loop interface and a major portion of the DTE interface of the local DSU 5600 to be tested from a remote site over the actual digital data circuit. During the Loop Only test, the network receive data is looped to the network transmit data inside the DTE interface section of the DSU 5600.

  • Page 29: Far End Tests

    To terminate this test, press Test. RDL with Test Pattern (TP) When the RDL with TP test is initiated at the local DSU 5600, it commands the remote DSU into loopback with the industry standard V. 54 loopback pattern. The loopback point and the signal paths for the remote DSU are the same as the Loop Only test for a local DSU (Figure 3-4).

  • Page 30: Test Pattern (Ptrn)

    Chapter 3. Test Modes Test Pattern (PTRN) When the PTRN test is initiated, the local DSU 5600 uses the integral test pattern generator to transmit a standard 2047 test pattern to the DSU On the far end of the circuit. The local DSU 5600 then examines the received data for the standard 2047 pattern.

  • Page 31: Remote Tests

    • DSU Loopback (RT) The RDL test is initiated by a remote DSU and causes the local DSU 5600 to loopback. The loopback point is the same as the Loop Only point shown in Figure 3-4. This test is run to test the end-to-end performance of the circuit.
  • Page 32 Chapter 3. Test Modes DSU 5600 User Manual 61200.078L1-1...

  • Page 33: Chapter 4. Specifications Summary

    Chapter 4. Specifications Summary Chapter 4 Specifications Summary SPECIFICATIONS AND FEATURES This section describes the standard specifications and features incorporated in the DSU 5600. Loop Interface 4-wire, full duplex Line Requirements Local loop specifications per AT&T Pub 62310 Loop Rates...

  • Page 34: Diagnostics

    DTE data/data from external test set Power 115 VAC 4 Watts (maximum) Environment • Temperature - Operating 0°C to 50°C (32°F to 122°F) - Storage -20°C to 70°C (-4°F to 158°F) • Relative Humidity up to 95%, non-condensing DSU 5600 User Manual 61200.078L1-1...

  • Page 35: Index

    LED 8 Operating Modes 25 Loop Test 3 DTE and Loop Test PTRN 3, 21, 22 Diagram 19 PTRN test 16 DTE Data Rates 25 RD 2 DTE Indicator 2, 13, 16 RDL 3, 10 61200.078L1-1 DSU 5600 User Manual...
  • Page 36 Remote Digital Loopback 3 PTRN Test Indicator 3, 13, 16, 21, 22 Self 8 Status 2 Switch 3, 21, 22 RD Indicator 2 Transmit Data 2 RDL Indicator 3, 10, 21 Rear Panel 4 Receive Data 2 DSU 5600 User Manual 61200.078L1-1...
  • Page 37 (800) 615-1176 Sales (800) 827-0807 Post-Sale Support Please contact your local distributor first. If your local distribu- tor cannot help, please contact ADTRAN Technical Support and have the unit serial number available. Technical Support (888) 4ADTRAN Repair and Return If ADTRAN Technical Support determines that a repair is...

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