ITU-T M.650-1989
Routine Line Measurements to Be Made on the Line Repeaters of Audio-Frequency Sections or Circuits - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 2 pp

Standard No.

ITU-T M.650-1989

Release Date

1989

Published By

International Telecommunication Union (ITU)

Status

Withdraw

Latest

ITU-T M.650-1989

Scope

Certain of the tests in this Recommendation may conveniently be carried out on an in-station (or in-circuit) basis using measuring equipment to the specification in Recommendation 0.25 [i]. This equipment will not provide reliable test results for a circu

ITU-T M.650-1989 history

• 1989 ITU-T M.650-1989 Routine Line Measurements to Be Made on the Line Repeaters of Audio-Frequency Sections or Circuits - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 2 pp