ITU-T Q.312-1988
Line Signalling-2600 Hz Line Signal Sender (Transmitter) - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp

Standard No.

ITU-T Q.312-1988

Release Date

1988

Published By

International Telecommunication Union (ITU)

Status

Withdraw

Latest

ITU-T Q.312-1988

Scope

Line Signalling-2600 Hz Line Signal Sender (Transmitter) - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp

ITU-T Q.312-1988 history

• 1988 ITU-T Q.312-1988 Line Signalling-2600 Hz Line Signal Sender (Transmitter) - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp