Instruction manual

Figures
Figure 3-1.
Figure 3-2.
Figure 3-3.
Figure 3-4.
Figure 3-5.
Figure 3-6.
Figure 3-7.
Figure 3-8.
Figure 3-9.
Figure 3-10.
Figure 3-11.
Figure 3-12.
Figure 3-13.
Figure 3-14.
Figure 3-15.
Figure 3-16.
Figure 3-17.
Figure 3-18.
Figure 3-19.
Figure 3-20.
Figure 3-21.
System 25 Digital Switch
3-1
CPU/MEM (ZTN142) Circuitry
3-3
TDM Bus Time Slot Generation (Not a Timing Diagram) 3-6
TDM Bus—Three Cabinet System 3-8
Equipment Connections Via Circuit Pack 3-10
Port Circuit Pack Common Circuitry
3-13
Analog Line (TN742) Unique Circuitry 3-15
ATL Line (ZTN79) Unique Circuitry
3-17
Auxiliary Trunk (TN763) Unique Circuitry 3-19
Data Line (TN726) Unique Circuitry 3-20
DID Trunk (TN753) Unique Circuitry 3-22
Ground Start Trunk (ZTN76) Unique Circuitry 3-23
Loop Start Trunk (ZTN77) Unique Circuitry
3-24
MET Line (TN735)Unique Circuitry 3-25
Tie Trunk (TN760B) Unique Circuitry 3-28
Tie Trunk (TN760B) Circuit Pack Option Switches 3-28
Tip Ring Line (ZTN78) Unique Circuitry 3-30
Service Circuit (ZTN131)
3-32
Tone Detector (TN748B) 3-34
Pooled Modem (TN758)
3-36
System Software Partitioning
3-40
Tables
Table 3-A.
TDM Bus Time Slots 3-7
Table 3-B. Signaling Type Summary
3-29
Table 3-C.
TN760B Tie Trunk Preferred Signaling Formats 3-29
November 1995
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