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Bell System KS-8455, Description And Use

The Bell System KS-8455 manual is a comprehensive resource detailing the description and use of this versatile product. With just a few simple clicks, you can conveniently download this manual for free from our website, manualshive.com. Enhance your product experience with easy access to instructions and get started right away.

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© 

Jeff Lamb

TCI Library: www.telephonecollectors.info

Summary of Contents for KS-8455

Page 1: ...al test desk facilities is difficult as may be the case when large P B X installations are remotely located where the test desk cannot be reached readily because of the type of equip ment or volume of traffic where the test desk cannot be reached because of defective plant conditions as may exist in floods or storms 1 03 In locating high resistance joints in wires and in testing station grounds an...

Page 2: ...scale Repeat this adjustment from time to time to compensate for any change that may occur in the battery voltage 3 02 The procedures for using the KS 8455 Test Set to localize insulation faults are the same as those recommended in Section 462 800 500 4 GROUNDS 4 01 To test for a fault to ground proceed as follows 244 1 Open the line at a convenient location such as at a cable terminal or bridging...

Page 3: ... when taking voltmeter readings 8 STRAPPED SLEEVE METHOO OF TESTING IN COMMUNITY DIAL OFFICES 8 01 In many instances testing with the KS 8455 Test Set may be facilitated by utiliz ing the operation of the cutoff relay which re moves battery and ground from the line in trouble This permits tests to be made at various locations on the line both ahead and towards the central office and allows certain...

Page 4: ... in the vol ume of line noise 4 After the battery and ground have been removed from the line proceed with the desired tests 8 02 A typical application of this method of testing is illustrated by the following sketch 246 AT C O HANO DIAL TEST SET CORO REV KEY AT EITHER POSITION 9 MAINTENANCE OF TEST SET LMOV WIRE AND WATCH METER DEFLECTION FOR CHANGE 9 01 Reasonable care should be exercised in hand...

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