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DEFINITY Made Easy Tools
Issue 2, November 2000
Connecting and Handling Fiber Optic Cables
Lightguide Troughs
Two types of troughs are used with optical cross-connect hardware. The 1A4 trough secures single fiber optic jumpers routed between Lightguide Interconnect Unit (LIU) columns, and the 1A6 trough is used at the bottom of a Lightguide Interconnect Unit (LIU) column to prevent cable slack.