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PM5366-PI Datasheet(PDF) 225 Page - PMC-Sierra, Inc |
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PM5366-PI Datasheet(HTML) 225 Page - PMC-Sierra, Inc |
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225 / 267 page ![]() PRELIMINARY PM5366 TEMAP-84 DATASHEET PMC-2010672 ISSUE 1 HIGH DENSITY 84/63 CHANNEL VT/TU MAPPER AND M13 MULTIPLEXER PROPRIETARY AND CONFIDENTIAL 213 transport envelope and the alignment is changing for two of the STS-1 SPEs (STS-1 #2 and #3) due to the pointer justification events shown. Figure 53 - Telecom DROP Bus Timing - STS-1 SPEs / AU3 VCs •••• LDPL LREFCLK LDC1J1 LDV5 INVALID INVALID IV IV LDTPL INVALID INVALID IV IV STS-1 #1 SPE J1 byte LDDATA[7:0] A1 A1 A2 A2 A2 C1C1C1 A1 H1 H1 H2 H2 H2 H3 H3 H1 Negative stuff for STS-1 #2 SPE which happens to carry a non-final H4 byte V5 byte as marked by OTV5 Positive stuff for STS-1 #3 SPE J1 H4 Vx V5 Any V1 - V4 byte TU#1, STS-1 #1 Last H4 byte in tributary multiframe H4 C2 G1 The LDV5 and LDTPL signals are optional when using the ingress VTPP within the TEMAP-84 which will regenerate the LDV5 and LDTPL signals from LDC1J1V1, LDPL and the pointers within LDDATA[7:0]. In order to bypass the ingress VTPP, the data on the Telecom drop bus must be locked such that all three STS-1 SPEs are aligned to the STS-3 transport envelope with the J1 bytes immediately following the C1 bytes. This is shown in Figure 54. |
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