NEC ND-71762(E) system manual Test of Tandem Connection to Tie Line

INSTALLATION TEST PROCEDURE

2.1.4Test of Tandem Connection to Tie Line

Figure 5-3 Test of Tandem Connection to Tie Line

BASIC/PRIMARY ROUTE

IRT

STATION A PBX TRKs

ATTCON

(1)

(3)

(2)

PBX

TRKs

TRKs

PBX

ALTERNATE

ROUTE PBX

STATION B

PBX

STATION C

(1): Direct tandem connection by dial-in

(2): Tandem connection via ATTCON

(3): Tandem connection via Station

START

Test of direct dial-in tandem connection

A

Test of Basic/Primary Route

Station A calls Station B.

Confirm speech between Stations A and B. Release.

Test of Alternate Route.

Make busy all the trunks in the primary route. Station A calls Station B.

Confirm speech between Stations A and B. Release.

Make idle all the trunks.

ND-71762 (E)CHAPTER 5

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Issue 2