Maintenance and Trouble Clearing
FJTU-320-515-480
Issue 9, May 1999
FNC and FNC Customer Use Only
Page
4.3 Replacing the Microprocessor (MP1A) Unit. . . . . . . . . . . . . . . . . . . . . . . . 480.4-5
4.4 Replacing the Time-Slot Assignment (TS1A) Unit . . . . . . . . . . . . . . . . . 480.4-10
4.7 Replacing the Middle-Speed Mux/Demux/Transmux (MC1A) Unit . . . . 480.4-25
4.8 Replacing the Low-Speed Switch (LS1A-D1) Unit . . . . . . . . . . . . . . . . . 480.4-34
4.9 Replacing the Embedded Operation Channel (EC1A) Unit . . . . . . . . . . 480.4-37
4.10 Replacing the High-Speed Switch Control (HS1A) Unit . . . . . . . . . . . . . 480.4-41
4.11 Replacing the OC-12 Optical Channel (HC1A-6Lx1) Units . . . . . . . . . . 480.4-45
4.12 Replacing the OC-3 Optical Channel (HC1A and MC6A) Units. . . . . . . 480.4-49
4.13 Replacing the STS-1 Electrical Channel (HC1A-STS1) Unit . . . . . . . . . 480.4-59
4.14 Replacing the Timing Control Access (TCA) Unit . . . . . . . . . . . . . . . . . . 480.4-62
4.15 Replacing the Low-Speed Channel–DS1
4.16 Replacing the Low-Speed Channel–OVTG
5.2 Cleaning, Connecting, and Disconnecting the Optical Connectors . . . . . 480.5-6
5.4 Verifying External Clock and Clock Connections . . . . . . . . . . . . . . . . . . 480.5-15
5.5 Correcting the T1 or T3 Framing Format . . . . . . . . . . . . . . . . . . . . . . . . 480.5-17
5.6 Correcting Unidirectional or Bidirectional Switch Provisioning . . . . . . 480.5-21
Summary of Contents for FLM 150 ADM
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