Multiplex communications – Wide area network – Packet switching
Patent
1983-08-08
1986-12-30
Orsino, Jr., Joseph A.
Multiplex communications
Wide area network
Packet switching
3701104, 375 3, 455601, H04J 312, H04B 900
Patent
active
046334645
ABSTRACT:
A control signalling arrangement for a pulse transmission system uses a main data stream including a block parity channel. Control signals are transmitted from an end terminal to a repeater by inserting the control signals in periodically spaced bit positions of the block parity channel. At the repeater, the control signals are separated from the block parity channel for controlling the circuits or devices for maintenance operations.
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AT&T Bell Laboratories
Havill Richard B.
Orsino Jr. Joseph A.
Roberts Patrick E.
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