PM5363 TUPP+622
TUPP+622
DATASHEET
PMC-1981421
ISSUE 4
SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
streams within the STS-12 transport envelope. The bytes forming the various
tributary synchronous payload envelopes are identified by the OTPL[1] signal
being set high. The OTV5[1] signal pulses high to mark the V5 bytes of each
outgoing tributary. The TPOH[1] signal marks the tributary path overhead bytes
(V5, J2, Z6 and Z7) of each outgoing tributary. This diagram also applies to the
AU3 mode as it is equivalent to STS-1 mode, except for nomenclature. The four
STS-3’s (STM-1’s) in the outgoing STS-12 stream can be independently
configured to handle STS-1/AU3 or AU4 and the SPE/VC alignments of the STS-
3 (STM-1) streams may be different.
Figure 25
- STM-4 Output Bus Timing - STS-1 SPEs / AU3 VCs Case
HSCLK
OTMF[1]
(OTMFH4=0)
STS-3 #3
STS-3 #1
STS-1 #1
POH
STS-3 #1
STS-1 #1
VT Ptr.
V1
STS-1 #3
VTOH
V5
STS-3 #1 STS-3 #2 STS-3 #3 STS-3 #4
J1
STS-3 #1
STS-1 #3
V1
STS-3 #1
STS-1 #2
J1
STS-3 #1
STS-1 #3
J1
STS-3 #1
STS-1 #2
V1
STS-1 #3's
STS-1 #1's
SPE #2
BYT 262
TOH #2
C1
SPE #1
BYT 262
SPE #3
BYT 262
TOH #1
C1
TOH #3 SPE #1
SPE #2
BYT 1
SPE #3
BYT 1
SPE #1
BYT 263
SPE #2
SPE #3
OD[7:0]
C1
BYT 1
BYT 263 BYT 263
STS-1 #2's
OTPL[1]
OTV5[1]
TPOH[1]
OPL[1]
OC1J1V1[1]
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
399
PMC [ PMC-SIERRA, INC ]
