US 7,593,411 B2
Bus interface for transfer of multiple SONET/SDH rates over a serial backplane
Carl D. McCrosky, Saskatoon (Canada); Bernard Guay, Vancouver (Canada); Doug Konkin, Saskatoon (Canada); Steven F. Lang, Vancouver (Canada); and Winston K. Mok, Vancouver (Canada)
Assigned to PMC-Sierra, Inc., (Canada)
Filed on Sep. 18, 2006, as Appl. No. 11/522,381.
Application 11/522381 is a continuation in part of application No. 10/080485, filed on Feb. 21, 2002, abandoned.
Prior Publication US 2007/0036173 A1, Feb. 15, 2007
Int. Cl. H04L 12/28 (2006.01)
U.S. Cl. 370—395.51  [370/469] 19 Claims
OG exemplary drawing
 
1. An interface device for connecting SONET/SDH termination devices with payload processing devices, comprising:
(a) a receive module receiving incoming partially compliant SONET/SDH signal streams, recovering bit boundaries, and recovering byte and frame alignment by using one of SONET/SDH A1/A2 frame delineation to find both byte and frame boundaries and 8B/10B coding to find byte boundaries and 8B/10B control characters to find frame boundaries; and
(b) a transmit module having a single transmit data scrambler/encoder for scrambling an entire STS-N stream to serialize said partially compliant SONET/SDH signal streams, convert said partially compliant SONET/SDH signal streams into outgoing differential signal levels, and to transmit said partially compliant SONET/SDH signal streams.