NEC ND-71762(E) Telephone User Manual


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CHAPTER 5 ND-71762 (E)
Page 54
Issue 2
INSTALLATION TEST PROCEDURE
Figure 5-1 Combination of Tie Line Network and Public Network
Figure 5-2 Tie Line Network
Station A Station B
Alternate
Route
Basic/Primary Route
PBX
Tie Line
Network
Public
Network
TRKs
TRKs
PBX to be
tested
Station A Station B
Alternate
Route
Basic/Primary Route
PBX
TRKs
TRKs
PBX
PBX
PBX to be
tested
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