AT&T System 75, Wiring Diagram

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Figures
Figure 5-1.
Figure 5-2.
Figure 5-3.
Figure 5-4.
Figure 5-5.
Figure 5-6.
Figure 5-7.
Figure 5-8.
Figure 5-9.
Figure 5-10.
Figure 5-11.
Figure 5-12.
Figure 5-13.
Figure 5-14.
Figure 5-15.
Figure 5-16.
Figure 5-17.
Figure 5-18.
Figure 5-19.
Figure 5-20.
Connections for Loudspeaker Paging and
Music-on-Hold
Connections for Loudspeaker Paging—278A
Adapter
Connections for Louspeaker Paging—89A Control
Unit
Connections for PagePac 20 Without Zone-Mate 9
or 39
Connections for PagePac 20 With Zone-Mate 9 or
3 9
Connections for PagePac VS
Connections for PagePac 50/100/200 Amplicenter
Only
Connections for PagePac 50/100/200 System
Connections for FCC Registered Equipment
Provided for Music-on-Hold/Dial Dictation
Equipment (Auxiliary Access)
Connections for Non-FCC Registered Equipment
Provided for Music-on-Hold/Dial Dictation
Equipment (Auxiliary Access)
Loudspeaker Paging With Background Music
Connections—278A Adapter
Loudspeaker Paging With Background Music
Connections—89A Control Unit
Connections for FCC Registered Equipment
Provided for Recorded Announcement/Dial
Dictation Equipment (Analog Access)
Connections for Non-FCC Registered Recorded
Announcement/Dial Dictation Equipment (Analog
Access)
Connections for Digital Announcer Mounted in
Auxiliary Cabinet.
Connections for Analog Line Port to Wake-Up
Announcement Unit
Connections for Auxiliary Trunk Circuit Pack to
Wake-Up Announcement Unit
Connections for Power Unit to Wake-Up
Announcement Unit
Connections for 3270A or 3270T Data Module
Connections for 3270C Data Module
5-4
5-6
5-9
5-12
5-13
5-14
5-15
5-16
5-17
5-18
5-21
5-22
5-23
5-24
5-28
5-30
5-31
5-32
5-34
5-36
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