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AT&T 75 - Page 402

AT&T 75
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110-TYPE HARDWARE
Figure 3-135. Connections for Individual PDMs
Installing Applications Processor Interface—System 75 Only
Requirements
The interface between System 75 and the Applications Processor/Adjunct or Applications
Processor/Terminal is through processor data modules (PDMs). Applications Processor
alarms are connected through the trunk/auxiliary field to the System 75. Applications
Processor Terminals can also be connected through the System 75 cross-connect field to the
Applications Processor.
System 75 Version 1 includes Interface 1 (TN716), Interface 2 (TN720), and Interface
3 (TN719) as the required control circuit packs.
System 75 Version 2 or 3 includes Interface 1 (TN716), Interface 2 (TN738), and
Interface 3 (TN719) as the required control circuit packs.
The installation for the Applications Processor Interface from the System 75 switch is
covered under the section for installing PDMs (see Figures 3-134 and 3-135).
Information for connecting the PDMs to the Applications Processor and setting the PDM
option switches is contained in Applications Processor 16—Installation, Administration, and
Acceptance Test—Service Manual, 585-201-102.
The connections for the Applications Processor Alarms are shown in Figure 3-136.
Installation of Applications Processor Alarms Connection to Alarms
1.
Run and connect B25A cable from REMOTE ALARM connector on rear of
Applications Processor to connector associated with a yellow row in the
Trunk/Auxiliary Field to be used for the Applications Processor alarms (see Figure
3-136).
2.
At Trunk/Auxiliary Field, connect jumpers from seventh pair on yellow
Applications Processor row to ALARM MONITORS 1M terminals (see Figure 3-
136). Designate seventh pair as MAJ 1.
3-186

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