AT&T 6300 Service Manual page 144

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Table of Contents

INSTALLATIONS

The Jl, J2, and J3 connectors on the DTC Controller

provide the following:

• The Jl connector is the control connector. This connector

transfers the control signals to and fron1 the HDUs. Two

HDUs can be installed using a Daisy Chain Connection.

• The J2 and J3 connectors are data connectors. These

connectors transfer data to and from the HDUs. The drive

selection is determined by the settings on the HDU, not by

the choice of connectors.