INSTALLATION TEST PROCEDURE

2.1.1Overall Test of CCIS Tie Line Outgoing Call

Station A’

LC

ATTCON

ATI

OFFICE A

PBX

(PBX to be tested)

OFFICE B

PBX

Station B’

LC

START

Seizure of trunk to be tested

When seizing from a station

When seizing from an

ATTCON

Call termination to Station B’ in the B Office

Check of speech conditions

Release

When all CCIS Tie Line Trunks have been checked and a fault has been detected

END

Place the trunk to be tested into idle state, and make busy all other trunks.

Station A’ dials the number for station B’ in the B Office.

An ATTCON sets up the connection with a specific trunk designated by Individual Trunk Access for CCIS TRK service and dials the number for Station B’ in the B Office.

The call terminates to Station B’ via a CCIS Tie Line.

After the call has been answered at the ATTCON, check the speech conditions including speech level, presence of noise and one-way speech state.

Perform fault localization procedure when a fault has occurred to CCIS Tie Line (See Procedure A)

If the distant office is faulty, make a request to the distant office for repair.

CHAPTER 5

ND-71762 (E)

Page 50

Issue 2

Page 64
Image 64
NEC ND-71762(E) system manual Overall Test of Ccis Tie Line Outgoing Call, Attcon