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ND-71762 (E) CHAPTER 5
Page 55
Issue 2
INSTALLATION TEST PROCEDURE
2.1.4 Test of Tandem Connection to Tie Line
Figure 5-3 Test of Tandem Connection to Tie Line
PBX
PBX
PBX
STATION A
ALTERNATE
ROUTE
TRKs
TRKs
PBX
ATTCON
IRT
BASIC/PRIMARY ROUTE
STATION C
STATION B
PBX
(1)
(2)
(3)
(1): Direct tandem connection by dial-in
(2): Tandem connection via ATTCON
(3): Tandem connection via Station
TRKs
Station A calls Station B .
Release.
Test of Alternate Route.
Make busy all the trunks in the primary route.
START
Station A calls Station B .
Test of direct dial-in tandem
connection
Test of Basic/Primary Route
Confirm speech between Stations A and B .
Confirm speech between Stations A and B .
Release.
Make idle all the trunks.
A