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Figure 4-17. Asynchronous Data Unit (ADU)
ADU Connection Information
Detailed connection information is provided in the following figures:
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Figure 4-28—Typical ADU Connections Supporting Data Terminal And Single-Line
Voice Terminal
Figure 4-29—Typical ADU Connections Supporting Data Terminal And 7300H Series
Multiline Voice Terminal
Figure 4-30—Typical MADU Connection
Figure 4-31—Typical Z3A1/2/4 ADU Local Power Connections.
As shown in Figure 4-31, local external power can be provided to the Z3Al, Z3A2, and Z3A4
ADUs via a 2012D power transformer and a 248B Adapter attached to a 400B2 Adapter with
a D6AP-87 modular cord.
Descriptions of the Station Interconnect Panel (SIP), Trunk Access Equipment (TAE), and
associated cables and adapters, as shown on the figures, are provided under the heading
“Connectivity’’ later in this Section.
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