PM5363 TUPP+622
TUPP+622
DATASHEET
PMC-1981421
ISSUE 4
SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
10
FUNCTIONAL DESCRIPTION
The TUPP+622 consists of four independent STM-1 (STS-3) tributary processors
(STP) each having the equivalent functionality of a TUPP-PLUS (PM5362)
device. Each STP consists of three sets of tributary payload processor (VTPP),
tributary path overhead processor (RTOP) and tributary trace buffer (RTTB).
Each set of VTPP, RTOP and RTTB is capable of processing all the tributaries in
a TUG3, AU3 or STS-1. Four STP’s, #1, #2, #3 and #4 process the STM-1 #1,
#2, #3 and #4 streams, respectively. In the STM-1 (STS-3) interface mode, the
incoming STM-1 #1, #2, #3 and #4 streams are sourced from the ID[7:0],
ID[15:8], ID[23:16] and ID[31:24] buses, respectively. The outgoing STM-1 #1,
#2, #3 and #4 streams are provided on the OD[7:0], OD[15:8], OD[23:16] and
OD[31:24] buses, respectively. In the STM-4 (STS-12) interface mode, the byte-
interleaved incoming STM-1 (#1, #2, #3, #4) streams of an STM-4 are sourced
from the ID[7:0] bus and the outgoing STM-1 (#1, #2, #3, #4) streams are byte-
interleaved and provided on the OD[7:0] bus as an STM-4 stream. The incoming
and outgoing interface modes may be configured independently. The incoming or
outgoing byte interleaved order corresponds to the STM-4 (STS-12) order of byte
transmission as shown in the diagram below. The VC (SPE) columns or bytes are
labeled using an STM-1 (STS-3) group and AU3 (STS-1) sub-group numbering
scheme. Distribution of incoming STM-1 streams to the STP’s is performed by
the Input Bus Demultiplexer. Consolidation of outgoing STM-1 streams from the
STP’s is performed by the Output Bus Multiplexer.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
88
PMC [ PMC-SIERRA, INC ]
