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11. Connecting the LAN Interface Units
to the System
This procedure is used to connect LAN Interface Units (LIUs) to the system. It
assumes that the building wiring is in place, and that assigned cross connections are
made at the office cross-connect panel and any other distribution frames between
the terminal and system.
Each LIU must be located within 610 m (2000 ft) of the system cabinets, measured
according to the total length of wiring used, including cross-connect panels. For
information on where the LIUs are to be located and connected, see the provisioning
tables and the floor plan in the Site Records, 450-1011-152.
The LIUs can be connected either directly to the Teladapt jacks at the bottom of the
office cross-connect panel or via the building wiring to the BIX connectors on the
panel.
When LIUs are connected via the building wiring, the wiring must consist of
twisted pairs. Short stretches of untwisted wire, such as cross-connect or Teladapt
cables, are permissible, but long stretches will reduce the 610 m (2000 ft) allowable
distance for high-speed LANlink lines.
99
Practice 450-1011-201
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