ADC Telecommunications Inc. DLC1904B User Manuals

Table of Contents

• SECTION 5: Maintenance

  4
  • 1 system maintenance overview

    4
    • 1.1 Tools and Materials

      4
  • 2 fault detection and alarm reporting

    5
  • 3 fault isolation and troubleshooting

    9
  • 4 test procedures

    14
    • 4.1 Optical Power Test

      14
    • 4.2 Optical Loopback Test

      15
      • 4.2.1 PORT 1/PORT 2 Loopback Test

        15
      • 4.2.2 PORT 3 Loopback Test

        16
  • 5 maintenance procedures

    16
    • 5.1 Scheduled Maintenance

      17
    • 5.2 Remote Unit Cabinet Filter Cleaning Procedure

      17
    • 5.3 Host Unit Fan Replacement Procedure

      18
    • 5.4 Spectrum Transport Module Fan Replacement Procedure

      20
    • 5.5 Linear Power Amplifier Fan Replacement Procedure

      22
• SECTION 6: General Information

  24
  • 1 Warranty/Software

    24
  • 2 Software Service Agreement

    24
  • 3 Repair/Exchange Policy

    24
  • 4 Repair Charges

    25
  • 5 Replacement/Spare Products

    25
  • 6 Returned Material

    25
  • 7 Customer Information and Assistance

    26