ITU-T R.116-1989
Maintenance Tests to Be Carried out on International TDM Systems - Telegraph Transmission (Study Group IX) 5 pp

Standard No.

ITU-T R.116-1989

Release Date

1989

Published By

International Telecommunication Union (ITU)

Status

Withdraw

Latest

ITU-T R.116-1989

Scope

The operation of the TDM equipment and maintenance channel should continuously be supervised by a repetitive test signal. An alarm is issued when a correct acknowledgement is not received for a specified number of test signals. The alarm is reset automati

ITU-T R.116-1989 history

• 1989 ITU-T R.116-1989 Maintenance Tests to Be Carried out on International TDM Systems - Telegraph Transmission (Study Group IX) 5 pp