Elenco Telephone Line Analyzer Kit Manuel d'utilisateur télécharger pdf (Page 2)

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INTRODUCTION

Are you planning to install a new telephone? Are you having a problem with a newly installed telephone? Then

the Model TT-400 Telephone Line Analyzer Kit will help you pinpoint exactly where the problem is. The TT-400

connects between your telephone and the telephone wall jack and performs the following four tests:

a) Line Test - Verifies the DC voltage to your telephone.

b) Ring Test - Verifies the AC ranging voltage to your telephone.

c) Loop Test - Verifies the condition of the telephone line from the telephone company central office to the

wall jack in your house.

d) Telephone Line Cord Test - Verifies the condition of your telephone cord (if detachable).

SPECIFICATIONS

DC LINE TEST

SWITCH POSITION: LINE / RING

LINE OK: FOR 1/3 OF FULL SCALE, V

= 40VDC

FOR FULL SCALE, V

= 120VDC

REVERSE POLARITY: IF PHONE LINE POLARITY IS REVERSED, LED WILL BE ON.

ACCURACY: 3% AT 40V DC

LOOP TEST

SWITCH POSITION: LOOP

LOOP OK: FOR 1/3 OF FULL SCALE, I

= 20mA.

FOR FULL SCALE, I

= 60mA

ACCURACY: 3% AT 20mA

RING TEST

SWITCH POSITION: LINE / RING.

RING “?”: 40 Vrms TO 48 Vrms, 20Hz SUPERIMPOSED ON 48VDC.

RING OK: 48 Vrms TO 130 Vrms, 20Hz SUPERIMPOSED ON 48VDC.

THE REVERSE POLARITY (REV POL) LED WILL FLICKER DURING RING TEST.

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Elenco Telephone Line Analyzer Kit Manuel d'utilisateur Page 2