ITU-T Q.476-1989
Signalling Procedures - Abnormal Release of Outgoing and Incoming R2 Registers - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp

Standard No.

ITU-T Q.476-1989

Release Date

1989

Published By

International Telecommunication Union (ITU)

Status

Withdraw

Latest

ITU-T Q.476-1989

Scope

To limit the holding time of R2 registers, when interregister signalling is interrupted either by a fault or by any other cause, all R2 registers must be equipped with devices for continuous supervision of the time taken by the various phases of interregi

ITU-T Q.476-1989 history

• 1989 ITU-T Q.476-1989 Signalling Procedures - Abnormal Release of Outgoing and Incoming R2 Registers - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp