ITU-T Q.331-1989
Test Equipment for Checking Equipment and Signals - Specifications of Signalling Systems R1 and R2 (Study Group XI) 3 pp

Standard No.

ITU-T Q.331-1989

Release Date

1989

Published By

International Telecommunication Union (ITU)

Status

Withdraw

Latest

ITU-T Q.331-1989

Scope

In regard to measuring time intervals a recorder having a minimum of two input channels may be useful. The recorder characteristic should conform with the accuracy requirements quoted in 1) and 2) above and be easily connected to the circuit under test. T

ITU-T Q.331-1989 history

• 1989 ITU-T Q.331-1989 Test Equipment for Checking Equipment and Signals - Specifications of Signalling Systems R1 and R2 (Study Group XI) 3 pp